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),