diff mbox series

[v5,3/3] ALSA: hda: add support for Huawei WMI micmute LED

Message ID 20181111190250.6055-4-ayman.bagabas@gmail.com (mailing list archive)
State Changes Requested, archived
Delegated to: Andy Shevchenko
Headers show
Series Huawei laptops | expand

Commit Message

Ayman Bagabas Nov. 11, 2018, 7:02 p.m. UTC 
Some of Huawei laptops come with a LED in the micmute key. This patch
enables and disable this LED accordingly.
This enables micmute LED for:
1. Matebook X (19e5:3200), (19e5:3201)
2. Matebook X Pro (19e5:3204)

Signed-off-by: Ayman Bagabas <ayman.bagabas@gmail.com>
---
 sound/pci/hda/huawei_wmi_helper.c | 47 +++++++++++++++++++++++++++++++
 sound/pci/hda/patch_realtek.c     | 14 ++++++++-
 2 files changed, 60 insertions(+), 1 deletion(-)
 create mode 100644 sound/pci/hda/huawei_wmi_helper.c

Comments

Takashi Iwai Nov. 13, 2018, 5:32 p.m. UTC | #1 
On Sun, 11 Nov 2018 20:02:45 +0100,
Ayman Bagabas wrote:
> 
> Some of Huawei laptops come with a LED in the micmute key. This patch
> enables and disable this LED accordingly.

disable what?

> This enables micmute LED for:
> 1. Matebook X (19e5:3200), (19e5:3201)
> 2. Matebook X Pro (19e5:3204)
> 
> Signed-off-by: Ayman Bagabas <ayman.bagabas@gmail.com>

The code changes are mostly OK.  Just a minor nitpicking:

> --- a/sound/pci/hda/patch_realtek.c
> +++ b/sound/pci/hda/patch_realtek.c
> @@ -5374,6 +5374,9 @@ static void alc_fixup_thinkpad_acpi(struct hda_codec *codec,
>  /* for alc295_fixup_hp_top_speakers */
>  #include "hp_x360_helper.c"
>  
> +/* for alc_fixup_huawei_micmute_led */

This should be alc_fixup_huawei_wmi */

With that fix,
  Reviewed-by: Takashi Iwai <tiwai@suse.de>


thanks,

Takashi
Andy Shevchenko Nov. 13, 2018, 6:51 p.m. UTC | #2 
On Tue, Nov 13, 2018 at 7:32 PM Takashi Iwai <tiwai@suse.de> wrote:
> On Sun, 11 Nov 2018 20:02:45 +0100,
> Ayman Bagabas wrote:


> With that fix,
>   Reviewed-by: Takashi Iwai <tiwai@suse.de>

Ayman, please, send next version with requested changes and appended
tags. I will apply it.
Andy Shevchenko Nov. 14, 2018, 10:47 a.m. UTC | #3 
On Tue, Nov 13, 2018 at 10:40 PM Ayman Bagabas <ayman.bagabas@gmail.com> wrote:
>
>
>
> On Tue, Nov 13, 2018, 1:51 PM Andy Shevchenko <andy.shevchenko@gmail.com> wrote:
>>
>> On Tue, Nov 13, 2018 at 7:32 PM Takashi Iwai <tiwai@suse.de> wrote:
>> > On Sun, 11 Nov 2018 20:02:45 +0100,
>> > Ayman Bagabas wrote:
>>
>>
>> > With that fix,
>> >   Reviewed-by: Takashi Iwai <tiwai@suse.de>
>>
>> Ayman, please, send next version with requested changes and appended
>> tags. I will apply it.

> Andy, to clarify, what tags you referring to? Is it patch version?

Tags mean the special strings at the end of commit message, like
Signed-off-by or Reviewed-by.
diff mbox series

Patch

diff --git a/sound/pci/hda/huawei_wmi_helper.c b/sound/pci/hda/huawei_wmi_helper.c
new file mode 100644
index 000000000000..7c91f914ffba
--- /dev/null
+++ b/sound/pci/hda/huawei_wmi_helper.c
@@ -0,0 +1,47 @@ 
+// SPDX-License-Identifier: GPL-2.0
+/* Helper functions for Huawei WMI micmute LED;
+ * to be included from codec driver
+ */
+
+#if IS_ENABLED(CONFIG_HUAWEI_WMI)
+#include <linux/platform_data/x86/huawei-wmi.h>
+
+static int (*huawei_wmi_micmute_led_set_func)(bool);
+
+static void update_huawei_wmi_micmute_led(struct hda_codec *codec)
+{
+	struct hda_gen_spec *spec = codec->spec;
+	huawei_wmi_micmute_led_set_func(spec->micmute_led.led_value);
+}
+
+static void alc_fixup_huawei_wmi(struct hda_codec *codec,
+				   const struct hda_fixup *fix, int action)
+{
+	bool removefunc = false;
+
+	if (action == HDA_FIXUP_ACT_PROBE) {
+		if (!huawei_wmi_micmute_led_set_func)
+			huawei_wmi_micmute_led_set_func = symbol_request(huawei_wmi_micmute_led_set);
+		if (!huawei_wmi_micmute_led_set_func) {
+			codec_warn(codec, "Failed to find huawei_wmi symbol huawei_wmi_micmute_led_set\n");
+			return;
+		}
+
+		removefunc = (huawei_wmi_micmute_led_set_func(false) < 0)
+			|| (snd_hda_gen_add_micmute_led(codec, update_huawei_wmi_micmute_led) < 0);
+	}
+
+	if (huawei_wmi_micmute_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
+		symbol_put(huawei_wmi_micmute_led_set);
+		huawei_wmi_micmute_led_set_func = NULL;
+	}
+}
+
+#else
+
+static void alc_fixup_huawei_wmi(struct hda_codec *codec,
+				const struct hda_fixup *fix, int action)
+{
+}
+
+#endif
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 135c0826859b..5431dee40f4f 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5374,6 +5374,9 @@  static void alc_fixup_thinkpad_acpi(struct hda_codec *codec,
 /* for alc295_fixup_hp_top_speakers */
 #include "hp_x360_helper.c"
 
+/* for alc_fixup_huawei_micmute_led */
+#include "huawei_wmi_helper.c"
+
 enum {
 	ALC269_FIXUP_SONY_VAIO,
 	ALC275_FIXUP_SONY_VAIO_GPIO2,
@@ -5494,6 +5497,7 @@  enum {
 	ALC255_FIXUP_DUMMY_LINEOUT_VERB,
 	ALC255_FIXUP_DELL_HEADSET_MIC,
 	ALC256_FIXUP_HUAWEI_MBXP_PINS,
+	ALC256_FIXUP_HUAWEI_WMI_MICMUTE_LED,
 	ALC295_FIXUP_HP_X360,
 	ALC221_FIXUP_HP_HEADSET_MIC,
 };
@@ -5765,6 +5769,10 @@  static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC269_FIXUP_HEADSET_MIC
 	},
+	[ALC256_FIXUP_HUAWEI_WMI_MICMUTE_LED] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc_fixup_huawei_wmi
+	},
 	[ALC256_FIXUP_HUAWEI_MBXP_PINS] = {
 		.type = HDA_FIXUP_PINS,
 		.v.pins = (const struct hda_pintbl[]) {
@@ -5779,7 +5787,9 @@  static const struct hda_fixup alc269_fixups[] = {
 			{0x1e, 0x411111f0},
 			{0x21, 0x04211020},
 			{ }
-		}
+		},
+		.chained = true,
+		.chain_id = ALC256_FIXUP_HUAWEI_WMI_MICMUTE_LED
 	},
 	[ALC269_FIXUP_ASUS_X101_FUNC] = {
 		.type = HDA_FIXUP_FUNC,
@@ -6611,6 +6621,8 @@  static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x17aa, 0x511f, "Thinkpad", ALC298_FIXUP_TPT470_DOCK),
 	SND_PCI_QUIRK(0x17aa, 0x3bf8, "Quanta FL1", ALC269_FIXUP_PCM_44K),
 	SND_PCI_QUIRK(0x17aa, 0x9e54, "LENOVO NB", ALC269_FIXUP_LENOVO_EAPD),
+	SND_PCI_QUIRK(0x19e5, 0x3200, "Huawei MBX", ALC256_FIXUP_HUAWEI_WMI_MICMUTE_LED),
+	SND_PCI_QUIRK(0x19e5, 0x3201, "Huawei MBX", ALC256_FIXUP_HUAWEI_WMI_MICMUTE_LED),
 	SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MBXP", ALC256_FIXUP_HUAWEI_MBXP_PINS),
 	SND_PCI_QUIRK(0x1b7d, 0xa831, "Ordissimo EVE2 ", ALC269VB_FIXUP_ORDISSIMO_EVE2), /* Also known as Malata PC-B1303 */