From b67ae3f1c97e2e8532ce051f0ed4365e9d796590 Mon Sep 17 00:00:00 2001 From: David Henningsson Date: Tue, 5 Nov 2013 13:11:37 +0100 Subject: [PATCH] ALSA: hda - Enable Thinkpad mute/micmute LEDs for Realtek Same as we already have for Conexant. Right now it's only enabled for one machine. Tested-by: Hui Wang Signed-off-by: David Henningsson Signed-off-by: Takashi Iwai --- sound/pci/hda/patch_realtek.c | 83 ++++++++++++++++++++++++++++++++++- 1 file changed, 81 insertions(+), 2 deletions(-) diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 01bf812455a2..02071a58f3f8 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -829,7 +829,11 @@ static inline void alc_shutup(struct hda_codec *codec) snd_hda_shutup_pins(codec); } -#define alc_free snd_hda_gen_free +static void alc_free(struct hda_codec *codec) +{ + snd_hda_apply_fixup(codec, HDA_FIXUP_ACT_FREE); + snd_hda_gen_free(codec); +} #ifdef CONFIG_PM static void alc_power_eapd(struct hda_codec *codec) @@ -3527,6 +3531,74 @@ static void alc290_fixup_mono_speakers(struct hda_codec *codec, snd_hda_override_wcaps(codec, 0x03, 0); } +#if IS_ENABLED(CONFIG_THINKPAD_ACPI) + +#include + +static int (*led_set_func)(int, bool); + +static void update_tpacpi_mute_led(void *private_data, int enabled) +{ + if (led_set_func) + led_set_func(TPACPI_LED_MUTE, !enabled); +} + +static void update_tpacpi_micmute_led(struct hda_codec *codec, + struct snd_ctl_elem_value *ucontrol) +{ + if (!ucontrol || !led_set_func) + return; + if (strcmp("Capture Switch", ucontrol->id.name) == 0 && ucontrol->id.index == 0) { + /* TODO: How do I verify if it's a mono or stereo here? */ + bool val = ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]; + led_set_func(TPACPI_LED_MICMUTE, !val); + } +} + +static void alc_fixup_thinkpad_acpi(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ + struct alc_spec *spec = codec->spec; + bool removefunc = false; + + if (action == HDA_FIXUP_ACT_PROBE) { + if (!led_set_func) + led_set_func = symbol_request(tpacpi_led_set); + if (!led_set_func) { + snd_printk(KERN_WARNING "Failed to find thinkpad-acpi symbol tpacpi_led_set\n"); + return; + } + + removefunc = true; + if (led_set_func(TPACPI_LED_MUTE, false) >= 0) { + spec->gen.vmaster_mute.hook = update_tpacpi_mute_led; + removefunc = false; + } + if (led_set_func(TPACPI_LED_MICMUTE, false) >= 0) { + if (spec->gen.num_adc_nids > 1) + snd_printdd("Skipping micmute LED control due to several ADCs"); + else { + spec->gen.cap_sync_hook = update_tpacpi_micmute_led; + removefunc = false; + } + } + } + + if (led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) { + symbol_put(tpacpi_led_set); + led_set_func = NULL; + } +} + +#else + +static void alc_fixup_thinkpad_acpi(struct hda_codec *codec, + const struct hda_fixup *fix, int action) +{ +} + +#endif + enum { ALC269_FIXUP_SONY_VAIO, ALC275_FIXUP_SONY_VAIO_GPIO2, @@ -3570,6 +3642,7 @@ enum { ALC282_FIXUP_ASUS_TX300, ALC283_FIXUP_INT_MIC, ALC290_FIXUP_MONO_SPEAKERS, + ALC269_FIXUP_THINKPAD_ACPI, }; static const struct hda_fixup alc269_fixups[] = { @@ -3867,6 +3940,12 @@ static const struct hda_fixup alc269_fixups[] = { .chained = true, .chain_id = ALC269_FIXUP_DELL3_MIC_NO_PRESENCE, }, + [ALC269_FIXUP_THINKPAD_ACPI] = { + .type = HDA_FIXUP_FUNC, + .v.func = alc_fixup_thinkpad_acpi, + .chained = true, + .chain_id = ALC269_FIXUP_LIMIT_INT_MIC_BOOST + }, }; static const struct snd_pci_quirk alc269_fixup_tbl[] = { @@ -3950,7 +4029,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = { SND_PCI_QUIRK(0x17aa, 0x2208, "Thinkpad T431s", ALC269_FIXUP_LENOVO_DOCK), SND_PCI_QUIRK(0x17aa, 0x220c, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x2212, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), - SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), + SND_PCI_QUIRK(0x17aa, 0x2214, "Thinkpad", ALC269_FIXUP_THINKPAD_ACPI), SND_PCI_QUIRK(0x17aa, 0x2215, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x5013, "Thinkpad", ALC269_FIXUP_LIMIT_INT_MIC_BOOST), SND_PCI_QUIRK(0x17aa, 0x501a, "Thinkpad", ALC283_FIXUP_INT_MIC), -- 2.20.1