[PATCH] ALSA: hda/realtek: add in quirk for Acer Swift Go 16 - SFG16-71

From: Ian Murphy <iano200@gmail.com>
To: tiwai@suse.com
Cc: alsa-devel@alsa-project.org, linux-sound@vger.kernel.org,
	Ian Murphy <iano200@gmail.com>
Subject: [PATCH] ALSA: hda/realtek: add in quirk for Acer Swift Go 16 - SFG16-71
Date: Sat, 16 Mar 2024 09:41:57 +0000	[thread overview]
Message-ID: <20240316094157.13890-1-iano200@gmail.com> (raw)

Keyboard has an LED that is ON/OFF when mic is muted/active
 - LED is controlled by GPIO pin
 - Patch enables led to appear in /sys/class/leds/ as hda::micmute
 - Enables LED when mic is MUTED
 - Disables LED when mic is active

Signed-off-by: Ian Murphy <iano200@gmail.com>
---
 sound/pci/hda/patch_realtek.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index a91d5ec29bfb..05c685485606 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -6891,6 +6891,13 @@ static void yoga7_14arb7_fixup_i2c(struct hda_codec *cdc,
 	comp_generic_fixup(cdc, action, "i2c", "INT8866", "-%s:00", 1);
 }
 
+static void alc256_fixup_acer_sfg16_micmute_led(struct hda_codec *codec,
+			       const struct hda_fixup *fix, int action)
+{
+       alc_fixup_hp_gpio_led(codec, action, 0, 0x04);
+}
+
+
 /* for alc295_fixup_hp_top_speakers */
 #include "hp_x360_helper.c"
 
@@ -7374,6 +7381,7 @@ enum {
 	ALC289_FIXUP_DELL_CS35L41_SPI_2,
 	ALC294_FIXUP_CS35L41_I2C_2,
 	ALC245_FIXUP_CS35L56_SPI_4_HP_GPIO_LED,
+	ALC256_FIXUP_ACER_SFG16_MICMUTE_LED,
 };
 
 /* A special fixup for Lenovo C940 and Yoga Duet 7;
@@ -9569,6 +9577,10 @@ static const struct hda_fixup alc269_fixups[] = {
 		.chained = true,
 		.chain_id = ALC285_FIXUP_HP_GPIO_LED,
 	},
+	[ALC256_FIXUP_ACER_SFG16_MICMUTE_LED] = {
+		.type = HDA_FIXUP_FUNC,
+		.v.func = alc256_fixup_acer_sfg16_micmute_led,
+	},
 };
 
 static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@@ -9612,6 +9624,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
 	SND_PCI_QUIRK(0x1025, 0x1430, "Acer TravelMate B311R-31", ALC256_FIXUP_ACER_MIC_NO_PRESENCE),
 	SND_PCI_QUIRK(0x1025, 0x1466, "Acer Aspire A515-56", ALC255_FIXUP_ACER_HEADPHONE_AND_MIC),
 	SND_PCI_QUIRK(0x1025, 0x1534, "Acer Predator PH315-54", ALC255_FIXUP_ACER_MIC_NO_PRESENCE),
+	SND_PCI_QUIRK(0x1025, 0x169a, "Acer Swift SFG16", ALC256_FIXUP_ACER_SFG16_MICMUTE_LED),
 	SND_PCI_QUIRK(0x1028, 0x0470, "Dell M101z", ALC269_FIXUP_DELL_M101Z),
 	SND_PCI_QUIRK(0x1028, 0x053c, "Dell Latitude E5430", ALC292_FIXUP_DELL_E7X),
 	SND_PCI_QUIRK(0x1028, 0x054b, "Dell XPS one 2710", ALC275_FIXUP_DELL_XPS),
-- 
2.44.0

