diff mbox

[RFT] hp-wmi: improved rfkill support for wifi

Message ID 4A64A50D.5040401@tuffmail.co.uk (mailing list archive)
State Superseded, archived
Headers show

Commit Message

Alan Jenkins July 20, 2009, 5:10 p.m. UTC
Maciej Rutecki wrote:
> 2009/7/19 Alan Jenkins <alan-jenkins@tuffmail.co.uk>:
>
>   
>> Sorry, that was a dumb copy+paste error.  Here's a fixed version.
>>
>>     
>
> No errors during boot, but still bluetooth is disabled:
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
> 0: phy0: Wireless LAN
>         Soft blocked: yes
>         Hard blocked: yes
> 1: hp-wifi: Wireless LAN
>         Soft blocked: yes
>         Hard blocked: no
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 0
>   

...and here's the version that remembers to register the bluetooth.  I
reviewed the patch again; hopefully that's the last dumb error.

Alan



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Comments

Maciej Rutecki July 20, 2009, 7:54 p.m. UTC | #1
2009/7/20 Alan Jenkins <alan-jenkins@tuffmail.co.uk>:
>
> ...and here's the version that remembers to register the bluetooth.  I
> reviewed the patch again; hopefully that's the last dumb error.
[...]

2.6.31-rc3+ patches:
http://lkml.org/lkml/2009/7/18/131
http://lkml.org/lkml/2009/7/10/339
+ patch below:

> diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
> index 517ac47..adb26d3 100644
> --- a/drivers/platform/x86/hp-wmi.c
> +++ b/drivers/platform/x86/hp-wmi.c
> @@ -51,6 +51,12 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
>  #define HPWMI_WIRELESS_QUERY 0x5
>  #define HPWMI_HOTKEY_QUERY 0xc
>
> +enum hp_wmi_radio {
> +       HPWMI_WIFI = 0,
> +       HPWMI_BLUETOOTH = 1,
> +       HPWMI_WWAN = 2,
> +};
> +
>  static int __init hp_wmi_bios_setup(struct platform_device *device);
>  static int __exit hp_wmi_bios_remove(struct platform_device *device);
>  static int hp_wmi_resume_handler(struct platform_device *device);
> @@ -170,8 +176,8 @@ static int hp_wmi_tablet_state(void)
>
>  static int hp_wmi_set_block(void *data, bool blocked)
>  {
> -       unsigned long b = (unsigned long) data;
> -       int query = BIT(b + 8) | ((!blocked) << b);
> +       enum hp_wmi_radio r = (enum hp_wmi_radio) data;
> +       int query = BIT(r + 8) | ((!blocked) << r);
>
>        return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, query);
>  }
> @@ -180,41 +186,23 @@ static const struct rfkill_ops hp_wmi_rfkill_ops = {
>        .set_block = hp_wmi_set_block,
>  };
>
> -static bool hp_wmi_wifi_sw_state(void)
> +static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
>  {
>        int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
> +       int mask = 0x200 << (r * 8);
>
> -       if (wireless & 0x200)
> +       if (wireless & mask)
>                return false;
>        else
>                return true;
>  }
>
> -static bool hp_wmi_wifi_hw_state(void)
> +static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
>  {
>        int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
> +       int mask = 0x800 << (r * 8);
>
> -       if (wireless & 0x800)
> -               return false;
> -       else
> -               return true;
> -}
> -
> -static bool hp_wmi_bluetooth_state(void)
> -{
> -       int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
> -
> -       if (wireless & 0x10000)
> -               return false;
> -       else
> -               return true;
> -}
> -
> -static bool hp_wmi_wwan_state(void)
> -{
> -       int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
> -
> -       if (wireless & 0x1000000)
> +       if (wireless & mask)
>                return false;
>        else
>                return true;
> @@ -339,50 +327,55 @@ static void hp_wmi_notify(u32 value, void *context)
>        struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
>        static struct key_entry *key;
>        union acpi_object *obj;
> +       int eventcode;
>
>        wmi_get_event_data(value, &response);
>
>        obj = (union acpi_object *)response.pointer;
>
> -       if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == 8) {
> -               int eventcode = *((u8 *) obj->buffer.pointer);
> -               if (eventcode == 0x4)
> -                       eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
> -                                                        0);
> -               key = hp_wmi_get_entry_by_scancode(eventcode);
> -               if (key) {
> -                       switch (key->type) {
> -                       case KE_KEY:
> -                               input_report_key(hp_wmi_input_dev,
> -                                                key->keycode, 1);
> -                               input_sync(hp_wmi_input_dev);
> -                               input_report_key(hp_wmi_input_dev,
> -                                                key->keycode, 0);
> -                               input_sync(hp_wmi_input_dev);
> -                               break;
> -                       }
> -               } else if (eventcode == 0x1) {
> -                       input_report_switch(hp_wmi_input_dev, SW_DOCK,
> -                                           hp_wmi_dock_state());
> -                       input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
> -                                           hp_wmi_tablet_state());
> +       if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
> +               printk(KERN_INFO "HP WMI: Unknown response received\n");
> +               return;
> +       }
> +
> +       eventcode = *((u8 *) obj->buffer.pointer);
> +       if (eventcode == 0x4)
> +               eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
> +                                               0);
> +       key = hp_wmi_get_entry_by_scancode(eventcode);
> +       if (key) {
> +               switch (key->type) {
> +               case KE_KEY:
> +                       input_report_key(hp_wmi_input_dev,
> +                                        key->keycode, 1);
> +                       input_sync(hp_wmi_input_dev);
> +                       input_report_key(hp_wmi_input_dev,
> +                                        key->keycode, 0);
>                        input_sync(hp_wmi_input_dev);
> -               } else if (eventcode == 0x5) {
> -                       if (wifi_rfkill)
> -                               rfkill_set_states(wifi_rfkill,
> -                                                 hp_wmi_wifi_sw_state(),
> -                                                 hp_wmi_wifi_hw_state());
> -                       if (bluetooth_rfkill)
> -                               rfkill_set_sw_state(bluetooth_rfkill,
> -                                                   hp_wmi_bluetooth_state());
> -                       if (wwan_rfkill)
> -                               rfkill_set_sw_state(wwan_rfkill,
> -                                                   hp_wmi_wwan_state());
> -               } else
> -                       printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
> -                              eventcode);
> +                       break;
> +               }
> +       } else if (eventcode == 0x1) {
> +               input_report_switch(hp_wmi_input_dev, SW_DOCK,
> +                                   hp_wmi_dock_state());
> +               input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
> +                                   hp_wmi_tablet_state());
> +               input_sync(hp_wmi_input_dev);
> +       } else if (eventcode == 0x5) {
> +               if (wifi_rfkill)
> +                       rfkill_set_states(wifi_rfkill,
> +                                         hp_wmi_get_sw_state(HPWMI_WIFI),
> +                                         hp_wmi_get_hw_state(HPWMI_WIFI));
> +               if (bluetooth_rfkill)
> +                       rfkill_set_states(bluetooth_rfkill,
> +                                         hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
> +                                         hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
> +               if (wwan_rfkill)
> +                       rfkill_set_states(wwan_rfkill,
> +                                         hp_wmi_get_sw_state(HPWMI_WWAN),
> +                                         hp_wmi_get_hw_state(HPWMI_WWAN));
>        } else
> -               printk(KERN_INFO "HP WMI: Unknown response received\n");
> +               printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
> +                       eventcode);
>  }
>
>  static int __init hp_wmi_input_setup(void)
> @@ -461,11 +454,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
>                wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
>                                           RFKILL_TYPE_WLAN,
>                                           &hp_wmi_rfkill_ops,
> -                                          (void *) 0);
> +                                          (void *) HPWMI_WIFI);
>                rfkill_init_sw_state(wifi_rfkill,
> -                                    hp_wmi_wifi_sw_state());
> +                                    hp_wmi_get_sw_state(HPWMI_WIFI));
>                rfkill_set_hw_state(wifi_rfkill,
> -                                   hp_wmi_wifi_hw_state());
> +                                   hp_wmi_get_hw_state(HPWMI_WIFI));
>                err = rfkill_register(wifi_rfkill);
>                if (err)
>                        goto register_wifi_error;
> @@ -475,7 +468,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
>                bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev,
>                                                RFKILL_TYPE_BLUETOOTH,
>                                                &hp_wmi_rfkill_ops,
> -                                               (void *) 1);
> +                                               (void *) HPWMI_BLUETOOTH);
> +               rfkill_init_sw_state(bluetooth_rfkill,
> +                                    hp_wmi_get_sw_state(HPWMI_BLUETOOTH));
> +               rfkill_set_hw_state(bluetooth_rfkill,
> +                                   hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
>                err = rfkill_register(bluetooth_rfkill);
>                if (err)
>                        goto register_bluetooth_error;
> @@ -485,7 +482,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
>                wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev,
>                                           RFKILL_TYPE_WWAN,
>                                           &hp_wmi_rfkill_ops,
> -                                          (void *) 2);
> +                                          (void *) HPWMI_WWAN);
> +               rfkill_init_sw_state(wwan_rfkill,
> +                                    hp_wmi_get_sw_state(HPWMI_WWAN));
> +               rfkill_set_hw_state(wwan_rfkill,
> +                                   hp_wmi_get_hw_state(HPWMI_WWAN));
>                err = rfkill_register(wwan_rfkill);
>                if (err)
>                        goto register_wwan_err;
> @@ -541,9 +542,18 @@ static int hp_wmi_resume_handler(struct platform_device *device)
>                            hp_wmi_tablet_state());
>        input_sync(hp_wmi_input_dev);
>
> -       rfkill_set_states(wifi_rfkill,
> -                         hp_wmi_wifi_sw_state(),
> -                         hp_wmi_wifi_hw_state());
> +       if (wifi_rfkill)
> +               rfkill_set_states(wifi_rfkill,
> +                                 hp_wmi_get_sw_state(HPWMI_WIFI),
> +                                 hp_wmi_get_hw_state(HPWMI_WIFI));
> +       if (bluetooth_rfkill)
> +               rfkill_set_states(bluetooth_rfkill,
> +                                 hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
> +                                 hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
> +       if (wwan_rfkill)
> +               rfkill_set_states(wwan_rfkill,
> +                                 hp_wmi_get_sw_state(HPWMI_WWAN),
> +                                 hp_wmi_get_hw_state(HPWMI_WWAN));
>
>        return 0;
>  }
>
>
>

root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
0: phy0: Wireless LAN
        Soft blocked: yes
        Hard blocked: yes
1: hp-wifi: Wireless LAN
        Soft blocked: yes
        Hard blocked: no
2: hp-bluetooth: Bluetooth
        Soft blocked: yes
        Hard blocked: no
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 0
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: yes
1: hp-wifi: Wireless LAN
        Soft blocked: yes
        Hard blocked: no
2: hp-bluetooth: Bluetooth
        Soft blocked: yes
        Hard blocked: no
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 1
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: hp-wifi: Wireless LAN
        Soft blocked: no
        Hard blocked: no
2: hp-bluetooth: Bluetooth
        Soft blocked: yes
        Hard blocked: no
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 2
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: hp-wifi: Wireless LAN
        Soft blocked: no
        Hard blocked: no
2: hp-bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
3: hci0: Bluetooth
        Soft blocked: yes
        Hard blocked: no
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 3
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
0: phy0: Wireless LAN
        Soft blocked: no
        Hard blocked: no
1: hp-wifi: Wireless LAN
        Soft blocked: no
        Hard blocked: no
2: hp-bluetooth: Bluetooth
        Soft blocked: no
        Hard blocked: no
3: hci0: Bluetooth
        Soft blocked: no
        Hard blocked: no
root@gumis:/home/maciek/zrodelka/rfkill/rfkill# hciconfig
hci0:   Type: USB
        BD Address: 00:16:41:88:A0:1B ACL MTU: 1017:8 SCO MTU: 64:8
        DOWN
        RX bytes:318 acl:0 sco:0 events:6 errors:0
        TX bytes:27 acl:0 sco:0 commands:9 errors:0

Works OK. Thanks :-)

During compile I have got:
CC [M]  drivers/platform/x86/hp-wmi.o
drivers/platform/x86/hp-wmi.c: In function ‘hp_wmi_bios_setup’:
drivers/platform/x86/hp-wmi.c:460: warning: ignoring return value of
‘rfkill_set_hw_state’, declared with attribute warn_unused_result
drivers/platform/x86/hp-wmi.c:474: warning: ignoring return value of
‘rfkill_set_hw_state’, declared with attribute warn_unused_result
drivers/platform/x86/hp-wmi.c:488: warning: ignoring return value of
‘rfkill_set_hw_state’, declared with attribute warn_unused_result

root@gumis:/home/maciek# gcc -v
Using built-in specs.
Target: i486-linux-gnu
Configured with: ../src/configure -v --with-pkgversion='Debian
4.3.3-13' --with-bugurl=file:///usr/share/doc/gcc-4.3/README.Bugs
--enable-languages=c,c++,fortran,objc,obj-c++ --prefix=/usr
--enable-shared --enable-multiarch --with-system-zlib
--libexecdir=/usr/lib --without-included-gettext
--enable-threads=posix --enable-nls
--with-gxx-include-dir=/usr/include/c++/4.3 --program-suffix=-4.3
--enable-clocale=gnu --enable-libstdcxx-debug --enable-objc-gc
--enable-mpfr --enable-targets=all --with-tune=generic
--enable-checking=release --build=i486-linux-gnu --host=i486-linux-gnu
--target=i486-linux-gnu
Thread model: posix
gcc version 4.3.3 (Debian 4.3.3-13)

Regards
Alan Jenkins July 20, 2009, 8:08 p.m. UTC | #2
Maciej Rutecki wrote:
> 2009/7/20 Alan Jenkins <alan-jenkins@tuffmail.co.uk>:
>   
>> ...and here's the version that remembers to register the bluetooth.  I
>> reviewed the patch again; hopefully that's the last dumb error.
>>     
> [...]
>
> 2.6.31-rc3+ patches:
> http://lkml.org/lkml/2009/7/18/131
> http://lkml.org/lkml/2009/7/10/339
> + patch below:
>
>   
>> diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
>> index 517ac47..adb26d3 100644
>> --- a/drivers/platform/x86/hp-wmi.c
>> +++ b/drivers/platform/x86/hp-wmi.c
>> @@ -51,6 +51,12 @@ MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
>>  #define HPWMI_WIRELESS_QUERY 0x5
>>  #define HPWMI_HOTKEY_QUERY 0xc
>>
>> +enum hp_wmi_radio {
>> +       HPWMI_WIFI = 0,
>> +       HPWMI_BLUETOOTH = 1,
>> +       HPWMI_WWAN = 2,
>> +};
>> +
>>  static int __init hp_wmi_bios_setup(struct platform_device *device);
>>  static int __exit hp_wmi_bios_remove(struct platform_device *device);
>>  static int hp_wmi_resume_handler(struct platform_device *device);
>> @@ -170,8 +176,8 @@ static int hp_wmi_tablet_state(void)
>>
>>  static int hp_wmi_set_block(void *data, bool blocked)
>>  {
>> -       unsigned long b = (unsigned long) data;
>> -       int query = BIT(b + 8) | ((!blocked) << b);
>> +       enum hp_wmi_radio r = (enum hp_wmi_radio) data;
>> +       int query = BIT(r + 8) | ((!blocked) << r);
>>
>>        return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, query);
>>  }
>> @@ -180,41 +186,23 @@ static const struct rfkill_ops hp_wmi_rfkill_ops = {
>>        .set_block = hp_wmi_set_block,
>>  };
>>
>> -static bool hp_wmi_wifi_sw_state(void)
>> +static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
>>  {
>>        int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
>> +       int mask = 0x200 << (r * 8);
>>
>> -       if (wireless & 0x200)
>> +       if (wireless & mask)
>>                return false;
>>        else
>>                return true;
>>  }
>>
>> -static bool hp_wmi_wifi_hw_state(void)
>> +static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
>>  {
>>        int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
>> +       int mask = 0x800 << (r * 8);
>>
>> -       if (wireless & 0x800)
>> -               return false;
>> -       else
>> -               return true;
>> -}
>> -
>> -static bool hp_wmi_bluetooth_state(void)
>> -{
>> -       int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
>> -
>> -       if (wireless & 0x10000)
>> -               return false;
>> -       else
>> -               return true;
>> -}
>> -
>> -static bool hp_wmi_wwan_state(void)
>> -{
>> -       int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
>> -
>> -       if (wireless & 0x1000000)
>> +       if (wireless & mask)
>>                return false;
>>        else
>>                return true;
>> @@ -339,50 +327,55 @@ static void hp_wmi_notify(u32 value, void *context)
>>        struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
>>        static struct key_entry *key;
>>        union acpi_object *obj;
>> +       int eventcode;
>>
>>        wmi_get_event_data(value, &response);
>>
>>        obj = (union acpi_object *)response.pointer;
>>
>> -       if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == 8) {
>> -               int eventcode = *((u8 *) obj->buffer.pointer);
>> -               if (eventcode == 0x4)
>> -                       eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
>> -                                                        0);
>> -               key = hp_wmi_get_entry_by_scancode(eventcode);
>> -               if (key) {
>> -                       switch (key->type) {
>> -                       case KE_KEY:
>> -                               input_report_key(hp_wmi_input_dev,
>> -                                                key->keycode, 1);
>> -                               input_sync(hp_wmi_input_dev);
>> -                               input_report_key(hp_wmi_input_dev,
>> -                                                key->keycode, 0);
>> -                               input_sync(hp_wmi_input_dev);
>> -                               break;
>> -                       }
>> -               } else if (eventcode == 0x1) {
>> -                       input_report_switch(hp_wmi_input_dev, SW_DOCK,
>> -                                           hp_wmi_dock_state());
>> -                       input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
>> -                                           hp_wmi_tablet_state());
>> +       if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
>> +               printk(KERN_INFO "HP WMI: Unknown response received\n");
>> +               return;
>> +       }
>> +
>> +       eventcode = *((u8 *) obj->buffer.pointer);
>> +       if (eventcode == 0x4)
>> +               eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
>> +                                               0);
>> +       key = hp_wmi_get_entry_by_scancode(eventcode);
>> +       if (key) {
>> +               switch (key->type) {
>> +               case KE_KEY:
>> +                       input_report_key(hp_wmi_input_dev,
>> +                                        key->keycode, 1);
>> +                       input_sync(hp_wmi_input_dev);
>> +                       input_report_key(hp_wmi_input_dev,
>> +                                        key->keycode, 0);
>>                        input_sync(hp_wmi_input_dev);
>> -               } else if (eventcode == 0x5) {
>> -                       if (wifi_rfkill)
>> -                               rfkill_set_states(wifi_rfkill,
>> -                                                 hp_wmi_wifi_sw_state(),
>> -                                                 hp_wmi_wifi_hw_state());
>> -                       if (bluetooth_rfkill)
>> -                               rfkill_set_sw_state(bluetooth_rfkill,
>> -                                                   hp_wmi_bluetooth_state());
>> -                       if (wwan_rfkill)
>> -                               rfkill_set_sw_state(wwan_rfkill,
>> -                                                   hp_wmi_wwan_state());
>> -               } else
>> -                       printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
>> -                              eventcode);
>> +                       break;
>> +               }
>> +       } else if (eventcode == 0x1) {
>> +               input_report_switch(hp_wmi_input_dev, SW_DOCK,
>> +                                   hp_wmi_dock_state());
>> +               input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
>> +                                   hp_wmi_tablet_state());
>> +               input_sync(hp_wmi_input_dev);
>> +       } else if (eventcode == 0x5) {
>> +               if (wifi_rfkill)
>> +                       rfkill_set_states(wifi_rfkill,
>> +                                         hp_wmi_get_sw_state(HPWMI_WIFI),
>> +                                         hp_wmi_get_hw_state(HPWMI_WIFI));
>> +               if (bluetooth_rfkill)
>> +                       rfkill_set_states(bluetooth_rfkill,
>> +                                         hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
>> +                                         hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
>> +               if (wwan_rfkill)
>> +                       rfkill_set_states(wwan_rfkill,
>> +                                         hp_wmi_get_sw_state(HPWMI_WWAN),
>> +                                         hp_wmi_get_hw_state(HPWMI_WWAN));
>>        } else
>> -               printk(KERN_INFO "HP WMI: Unknown response received\n");
>> +               printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
>> +                       eventcode);
>>  }
>>
>>  static int __init hp_wmi_input_setup(void)
>> @@ -461,11 +454,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
>>                wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
>>                                           RFKILL_TYPE_WLAN,
>>                                           &hp_wmi_rfkill_ops,
>> -                                          (void *) 0);
>> +                                          (void *) HPWMI_WIFI);
>>                rfkill_init_sw_state(wifi_rfkill,
>> -                                    hp_wmi_wifi_sw_state());
>> +                                    hp_wmi_get_sw_state(HPWMI_WIFI));
>>                rfkill_set_hw_state(wifi_rfkill,
>> -                                   hp_wmi_wifi_hw_state());
>> +                                   hp_wmi_get_hw_state(HPWMI_WIFI));
>>                err = rfkill_register(wifi_rfkill);
>>                if (err)
>>                        goto register_wifi_error;
>> @@ -475,7 +468,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
>>                bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev,
>>                                                RFKILL_TYPE_BLUETOOTH,
>>                                                &hp_wmi_rfkill_ops,
>> -                                               (void *) 1);
>> +                                               (void *) HPWMI_BLUETOOTH);
>> +               rfkill_init_sw_state(bluetooth_rfkill,
>> +                                    hp_wmi_get_sw_state(HPWMI_BLUETOOTH));
>> +               rfkill_set_hw_state(bluetooth_rfkill,
>> +                                   hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
>>                err = rfkill_register(bluetooth_rfkill);
>>                if (err)
>>                        goto register_bluetooth_error;
>> @@ -485,7 +482,11 @@ static int __init hp_wmi_bios_setup(struct platform_device *device)
>>                wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev,
>>                                           RFKILL_TYPE_WWAN,
>>                                           &hp_wmi_rfkill_ops,
>> -                                          (void *) 2);
>> +                                          (void *) HPWMI_WWAN);
>> +               rfkill_init_sw_state(wwan_rfkill,
>> +                                    hp_wmi_get_sw_state(HPWMI_WWAN));
>> +               rfkill_set_hw_state(wwan_rfkill,
>> +                                   hp_wmi_get_hw_state(HPWMI_WWAN));
>>                err = rfkill_register(wwan_rfkill);
>>                if (err)
>>                        goto register_wwan_err;
>> @@ -541,9 +542,18 @@ static int hp_wmi_resume_handler(struct platform_device *device)
>>                            hp_wmi_tablet_state());
>>        input_sync(hp_wmi_input_dev);
>>
>> -       rfkill_set_states(wifi_rfkill,
>> -                         hp_wmi_wifi_sw_state(),
>> -                         hp_wmi_wifi_hw_state());
>> +       if (wifi_rfkill)
>> +               rfkill_set_states(wifi_rfkill,
>> +                                 hp_wmi_get_sw_state(HPWMI_WIFI),
>> +                                 hp_wmi_get_hw_state(HPWMI_WIFI));
>> +       if (bluetooth_rfkill)
>> +               rfkill_set_states(bluetooth_rfkill,
>> +                                 hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
>> +                                 hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
>> +       if (wwan_rfkill)
>> +               rfkill_set_states(wwan_rfkill,
>> +                                 hp_wmi_get_sw_state(HPWMI_WWAN),
>> +                                 hp_wmi_get_hw_state(HPWMI_WWAN));
>>
>>        return 0;
>>  }
>>
>>
>>
>>     
>
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
> 0: phy0: Wireless LAN
>         Soft blocked: yes
>         Hard blocked: yes
> 1: hp-wifi: Wireless LAN
>         Soft blocked: yes
>         Hard blocked: no
> 2: hp-bluetooth: Bluetooth
>         Soft blocked: yes
>         Hard blocked: no
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 0
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
> 0: phy0: Wireless LAN
>         Soft blocked: no
>         Hard blocked: yes
> 1: hp-wifi: Wireless LAN
>         Soft blocked: yes
>         Hard blocked: no
> 2: hp-bluetooth: Bluetooth
>         Soft blocked: yes
>         Hard blocked: no
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 1
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
> 0: phy0: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
> 1: hp-wifi: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
> 2: hp-bluetooth: Bluetooth
>         Soft blocked: yes
>         Hard blocked: no
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 2
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
> 0: phy0: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
> 1: hp-wifi: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
> 2: hp-bluetooth: Bluetooth
>         Soft blocked: no
>         Hard blocked: no
> 3: hci0: Bluetooth
>         Soft blocked: yes
>         Hard blocked: no
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill unblock 3
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# ./rfkill list
> 0: phy0: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
> 1: hp-wifi: Wireless LAN
>         Soft blocked: no
>         Hard blocked: no
> 2: hp-bluetooth: Bluetooth
>         Soft blocked: no
>         Hard blocked: no
> 3: hci0: Bluetooth
>         Soft blocked: no
>         Hard blocked: no
> root@gumis:/home/maciek/zrodelka/rfkill/rfkill# hciconfig
> hci0:   Type: USB
>         BD Address: 00:16:41:88:A0:1B ACL MTU: 1017:8 SCO MTU: 64:8
>         DOWN
>         RX bytes:318 acl:0 sco:0 events:6 errors:0
>         TX bytes:27 acl:0 sco:0 commands:9 errors:0
>
> Works OK. Thanks :-)
>
> During compile I have got:
> CC [M]  drivers/platform/x86/hp-wmi.o
> drivers/platform/x86/hp-wmi.c: In function ‘hp_wmi_bios_setup’:
> drivers/platform/x86/hp-wmi.c:460: warning: ignoring return value of
> ‘rfkill_set_hw_state’, declared with attribute warn_unused_result
> drivers/platform/x86/hp-wmi.c:474: warning: ignoring return value of
> ‘rfkill_set_hw_state’, declared with attribute warn_unused_result
> drivers/platform/x86/hp-wmi.c:488: warning: ignoring return value of
> ‘rfkill_set_hw_state’, declared with attribute warn_unused_result
>   

The attribute is wrong, I've already submitted a patch to remove it.

I'll combine this patch with the previous one and submit it tomorrow.

Thanks again
Alan
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diff mbox

Patch

diff --git a/drivers/platform/x86/hp-wmi.c b/drivers/platform/x86/hp-wmi.c
index 517ac47..adb26d3 100644
--- a/drivers/platform/x86/hp-wmi.c
+++ b/drivers/platform/x86/hp-wmi.c
@@ -51,6 +51,12 @@  MODULE_ALIAS("wmi:5FB7F034-2C63-45e9-BE91-3D44E2C707E4");
 #define HPWMI_WIRELESS_QUERY 0x5
 #define HPWMI_HOTKEY_QUERY 0xc
 
+enum hp_wmi_radio {
+	HPWMI_WIFI = 0,
+	HPWMI_BLUETOOTH = 1,
+	HPWMI_WWAN = 2,
+};
+
 static int __init hp_wmi_bios_setup(struct platform_device *device);
 static int __exit hp_wmi_bios_remove(struct platform_device *device);
 static int hp_wmi_resume_handler(struct platform_device *device);
@@ -170,8 +176,8 @@  static int hp_wmi_tablet_state(void)
 
 static int hp_wmi_set_block(void *data, bool blocked)
 {
-	unsigned long b = (unsigned long) data;
-	int query = BIT(b + 8) | ((!blocked) << b);
+	enum hp_wmi_radio r = (enum hp_wmi_radio) data;
+	int query = BIT(r + 8) | ((!blocked) << r);
 
 	return hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 1, query);
 }
@@ -180,41 +186,23 @@  static const struct rfkill_ops hp_wmi_rfkill_ops = {
 	.set_block = hp_wmi_set_block,
 };
 
-static bool hp_wmi_wifi_sw_state(void)
+static bool hp_wmi_get_sw_state(enum hp_wmi_radio r)
 {
 	int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
+	int mask = 0x200 << (r * 8);
 
-	if (wireless & 0x200)
+	if (wireless & mask)
 		return false;
 	else
 		return true;
 }
 
-static bool hp_wmi_wifi_hw_state(void)
+static bool hp_wmi_get_hw_state(enum hp_wmi_radio r)
 {
 	int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
+	int mask = 0x800 << (r * 8);
 
-	if (wireless & 0x800)
-		return false;
-	else
-		return true;
-}
-
-static bool hp_wmi_bluetooth_state(void)
-{
-	int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
-
-	if (wireless & 0x10000)
-		return false;
-	else
-		return true;
-}
-
-static bool hp_wmi_wwan_state(void)
-{
-	int wireless = hp_wmi_perform_query(HPWMI_WIRELESS_QUERY, 0, 0);
-
-	if (wireless & 0x1000000)
+	if (wireless & mask)
 		return false;
 	else
 		return true;
@@ -339,50 +327,55 @@  static void hp_wmi_notify(u32 value, void *context)
 	struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
 	static struct key_entry *key;
 	union acpi_object *obj;
+	int eventcode;
 
 	wmi_get_event_data(value, &response);
 
 	obj = (union acpi_object *)response.pointer;
 
-	if (obj && obj->type == ACPI_TYPE_BUFFER && obj->buffer.length == 8) {
-		int eventcode = *((u8 *) obj->buffer.pointer);
-		if (eventcode == 0x4)
-			eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
-							 0);
-		key = hp_wmi_get_entry_by_scancode(eventcode);
-		if (key) {
-			switch (key->type) {
-			case KE_KEY:
-				input_report_key(hp_wmi_input_dev,
-						 key->keycode, 1);
-				input_sync(hp_wmi_input_dev);
-				input_report_key(hp_wmi_input_dev,
-						 key->keycode, 0);
-				input_sync(hp_wmi_input_dev);
-				break;
-			}
-		} else if (eventcode == 0x1) {
-			input_report_switch(hp_wmi_input_dev, SW_DOCK,
-					    hp_wmi_dock_state());
-			input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
-					    hp_wmi_tablet_state());
+	if (!obj || obj->type != ACPI_TYPE_BUFFER || obj->buffer.length != 8) {
+		printk(KERN_INFO "HP WMI: Unknown response received\n");
+		return;
+	}
+
+	eventcode = *((u8 *) obj->buffer.pointer);
+	if (eventcode == 0x4)
+		eventcode = hp_wmi_perform_query(HPWMI_HOTKEY_QUERY, 0,
+						0);
+	key = hp_wmi_get_entry_by_scancode(eventcode);
+	if (key) {
+		switch (key->type) {
+		case KE_KEY:
+			input_report_key(hp_wmi_input_dev,
+					 key->keycode, 1);
+			input_sync(hp_wmi_input_dev);
+			input_report_key(hp_wmi_input_dev,
+					 key->keycode, 0);
 			input_sync(hp_wmi_input_dev);
-		} else if (eventcode == 0x5) {
-			if (wifi_rfkill)
-				rfkill_set_states(wifi_rfkill,
-						  hp_wmi_wifi_sw_state(),
-						  hp_wmi_wifi_hw_state());
-			if (bluetooth_rfkill)
-				rfkill_set_sw_state(bluetooth_rfkill,
-						    hp_wmi_bluetooth_state());
-			if (wwan_rfkill)
-				rfkill_set_sw_state(wwan_rfkill,
-						    hp_wmi_wwan_state());
-		} else
-			printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
-			       eventcode);
+			break;
+		}
+	} else if (eventcode == 0x1) {
+		input_report_switch(hp_wmi_input_dev, SW_DOCK,
+				    hp_wmi_dock_state());
+		input_report_switch(hp_wmi_input_dev, SW_TABLET_MODE,
+				    hp_wmi_tablet_state());
+		input_sync(hp_wmi_input_dev);
+	} else if (eventcode == 0x5) {
+		if (wifi_rfkill)
+			rfkill_set_states(wifi_rfkill,
+					  hp_wmi_get_sw_state(HPWMI_WIFI),
+					  hp_wmi_get_hw_state(HPWMI_WIFI));
+		if (bluetooth_rfkill)
+			rfkill_set_states(bluetooth_rfkill,
+					  hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
+					  hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
+		if (wwan_rfkill)
+			rfkill_set_states(wwan_rfkill,
+					  hp_wmi_get_sw_state(HPWMI_WWAN),
+					  hp_wmi_get_hw_state(HPWMI_WWAN));
 	} else
-		printk(KERN_INFO "HP WMI: Unknown response received\n");
+		printk(KERN_INFO "HP WMI: Unknown key pressed - %x\n",
+			eventcode);
 }
 
 static int __init hp_wmi_input_setup(void)
@@ -461,11 +454,11 @@  static int __init hp_wmi_bios_setup(struct platform_device *device)
 		wifi_rfkill = rfkill_alloc("hp-wifi", &device->dev,
 					   RFKILL_TYPE_WLAN,
 					   &hp_wmi_rfkill_ops,
-					   (void *) 0);
+					   (void *) HPWMI_WIFI);
 		rfkill_init_sw_state(wifi_rfkill,
-				     hp_wmi_wifi_sw_state());
+				     hp_wmi_get_sw_state(HPWMI_WIFI));
 		rfkill_set_hw_state(wifi_rfkill,
-				    hp_wmi_wifi_hw_state());
+				    hp_wmi_get_hw_state(HPWMI_WIFI));
 		err = rfkill_register(wifi_rfkill);
 		if (err)
 			goto register_wifi_error;
@@ -475,7 +468,11 @@  static int __init hp_wmi_bios_setup(struct platform_device *device)
 		bluetooth_rfkill = rfkill_alloc("hp-bluetooth", &device->dev,
 						RFKILL_TYPE_BLUETOOTH,
 						&hp_wmi_rfkill_ops,
-						(void *) 1);
+						(void *) HPWMI_BLUETOOTH);
+		rfkill_init_sw_state(bluetooth_rfkill,
+				     hp_wmi_get_sw_state(HPWMI_BLUETOOTH));
+		rfkill_set_hw_state(bluetooth_rfkill,
+				    hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
 		err = rfkill_register(bluetooth_rfkill);
 		if (err)
 			goto register_bluetooth_error;
@@ -485,7 +482,11 @@  static int __init hp_wmi_bios_setup(struct platform_device *device)
 		wwan_rfkill = rfkill_alloc("hp-wwan", &device->dev,
 					   RFKILL_TYPE_WWAN,
 					   &hp_wmi_rfkill_ops,
-					   (void *) 2);
+					   (void *) HPWMI_WWAN);
+		rfkill_init_sw_state(wwan_rfkill,
+				     hp_wmi_get_sw_state(HPWMI_WWAN));
+		rfkill_set_hw_state(wwan_rfkill,
+				    hp_wmi_get_hw_state(HPWMI_WWAN));
 		err = rfkill_register(wwan_rfkill);
 		if (err)
 			goto register_wwan_err;
@@ -541,9 +542,18 @@  static int hp_wmi_resume_handler(struct platform_device *device)
 			    hp_wmi_tablet_state());
 	input_sync(hp_wmi_input_dev);
 
-	rfkill_set_states(wifi_rfkill,
-			  hp_wmi_wifi_sw_state(),
-			  hp_wmi_wifi_hw_state());
+	if (wifi_rfkill)
+		rfkill_set_states(wifi_rfkill,
+				  hp_wmi_get_sw_state(HPWMI_WIFI),
+				  hp_wmi_get_hw_state(HPWMI_WIFI));
+	if (bluetooth_rfkill)
+		rfkill_set_states(bluetooth_rfkill,
+				  hp_wmi_get_sw_state(HPWMI_BLUETOOTH),
+				  hp_wmi_get_hw_state(HPWMI_BLUETOOTH));
+	if (wwan_rfkill)
+		rfkill_set_states(wwan_rfkill,
+				  hp_wmi_get_sw_state(HPWMI_WWAN),
+				  hp_wmi_get_hw_state(HPWMI_WWAN));
 
 	return 0;
 }