diff mbox

hid: add support for Lilliput touchscreen

Message ID 1449863264-14184-1-git-send-email-srinivas.kandagatla@linaro.org (mailing list archive)
State New, archived
Delegated to: Jiri Kosina
Headers show

Commit Message

Srinivas Kandagatla Dec. 11, 2015, 7:47 p.m. UTC 
From: Kiran Rudramuni <kchitrik@codeaurora.org>

This patch adds support to Liliput capacitive touchscreeen.

Signed-off-by: Kiran Rudramuni <kchitrik@codeaurora.org>
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
---
Hi

This patch has been in my local tree for long time, tested in
various Hackathons. Could you please take this for v4.5.

thanks,
srini

 drivers/hid/hid-core.c       | 1 +
 drivers/hid/hid-ids.h        | 4 ++++
 drivers/hid/hid-multitouch.c | 5 +++++
 3 files changed, 10 insertions(+)

Comments

Jiri Kosina Jan. 21, 2016, 1:37 p.m. UTC | #1 
On Fri, 11 Dec 2015, Srinivas Kandagatla wrote:

> diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
> index c6f7a69..4350376 100644
> --- a/drivers/hid/hid-core.c
> +++ b/drivers/hid/hid-core.c
> @@ -2051,6 +2051,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
>  	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
> +	{ HID_USB_DEVICE(USB_VENDOR_ID_LILLIPUT, USB_PROD_ID_LILLIPUT) },

Could you please keep the list sorted?

>  
>  	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
>  	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
> index 9024a3d..f87993f 100644
> --- a/drivers/hid/hid-ids.h
> +++ b/drivers/hid/hid-ids.h
> @@ -1055,4 +1055,8 @@
>  #define USB_DEVICE_ID_RAPHNET_2NES2SNES	0x0002
>  #define USB_DEVICE_ID_RAPHNET_4NES4SNES	0x0003
>  
> +/* Lilliput Capacitive TouchScreen */
> +#define USB_VENDOR_ID_LILLIPUT  0x1391
> +#define USB_PROD_ID_LILLIPUT    0x2112
> +
>  #endif
> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
> index 3d664d0..580749e 100644
> --- a/drivers/hid/hid-multitouch.c
> +++ b/drivers/hid/hid-multitouch.c
> @@ -1209,6 +1209,11 @@ static const struct hid_device_id mt_devices[] = {
>  		MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
>  			USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) },
>  
> +	/* Lilliput multitouch panels */
> +	{  .driver_data = MT_CLS_DEFAULT,
> +		HID_USB_DEVICE(USB_VENDOR_ID_LILLIPUT,
> +			USB_PROD_ID_LILLIPUT) },
> +

This is a bit out of order as well.

Thanks,
Benjamin Tissoires Jan. 22, 2016, 10:39 p.m. UTC | #2 
On Thu, Jan 21, 2016 at 2:37 PM, Jiri Kosina <jikos@kernel.org> wrote:
> On Fri, 11 Dec 2015, Srinivas Kandagatla wrote:
>
>> diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
>> index c6f7a69..4350376 100644
>> --- a/drivers/hid/hid-core.c
>> +++ b/drivers/hid/hid-core.c
>> @@ -2051,6 +2051,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
>>       { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
>>       { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
>>       { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
>> +     { HID_USB_DEVICE(USB_VENDOR_ID_LILLIPUT, USB_PROD_ID_LILLIPUT) },
>
> Could you please keep the list sorted?
>
>>
>>       { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
>>       { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
>> diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
>> index 9024a3d..f87993f 100644
>> --- a/drivers/hid/hid-ids.h
>> +++ b/drivers/hid/hid-ids.h
>> @@ -1055,4 +1055,8 @@
>>  #define USB_DEVICE_ID_RAPHNET_2NES2SNES      0x0002
>>  #define USB_DEVICE_ID_RAPHNET_4NES4SNES      0x0003
>>
>> +/* Lilliput Capacitive TouchScreen */
>> +#define USB_VENDOR_ID_LILLIPUT  0x1391
>> +#define USB_PROD_ID_LILLIPUT    0x2112
>> +
>>  #endif
>> diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
>> index 3d664d0..580749e 100644
>> --- a/drivers/hid/hid-multitouch.c
>> +++ b/drivers/hid/hid-multitouch.c
>> @@ -1209,6 +1209,11 @@ static const struct hid_device_id mt_devices[] = {
>>               MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
>>                       USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) },
>>
>> +     /* Lilliput multitouch panels */
>> +     {  .driver_data = MT_CLS_DEFAULT,

NACK without further explanations.

Why do you need to patch the kernel an already working touchscreen?
MT_CLS_DEFAULT is the default as its name stands, and we do not need
to add a per device entry for it.

Cheers,
Benjamin

>> +             HID_USB_DEVICE(USB_VENDOR_ID_LILLIPUT,
>> +                     USB_PROD_ID_LILLIPUT) },
>> +
>
> This is a bit out of order as well.
>
> Thanks,
>
> --
> Jiri Kosina
> SUSE Labs
>
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diff mbox

Patch

diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index c6f7a69..4350376 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -2051,6 +2051,7 @@  static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_LILLIPUT, USB_PROD_ID_LILLIPUT) },
 
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 9024a3d..f87993f 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -1055,4 +1055,8 @@ 
 #define USB_DEVICE_ID_RAPHNET_2NES2SNES	0x0002
 #define USB_DEVICE_ID_RAPHNET_4NES4SNES	0x0003
 
+/* Lilliput Capacitive TouchScreen */
+#define USB_VENDOR_ID_LILLIPUT  0x1391
+#define USB_PROD_ID_LILLIPUT    0x2112
+
 #endif
diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index 3d664d0..580749e 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -1209,6 +1209,11 @@  static const struct hid_device_id mt_devices[] = {
 		MT_USB_DEVICE(USB_VENDOR_ID_CJTOUCH,
 			USB_DEVICE_ID_CJTOUCH_MULTI_TOUCH_0040) },
 
+	/* Lilliput multitouch panels */
+	{  .driver_data = MT_CLS_DEFAULT,
+		HID_USB_DEVICE(USB_VENDOR_ID_LILLIPUT,
+			USB_PROD_ID_LILLIPUT) },
+
 	/* CVTouch panels */
 	{ .driver_data = MT_CLS_NSMU,
 		MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,