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| author | Takashi Iwai <tiwai@suse.de> | 2010-03-30 18:00:59 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2010-03-30 18:03:11 +0200 |
| commit | ad35879aa192e783db2d41c196f48f3fc059ce22 (patch) | |
| tree | 4fde262ed6d02dce5abbdd6237afe2b785247fa6 /sound/pci | |
| parent | c35c9d5d3f03c203168e816f6f735d23f92fd6f1 (diff) | |
| download | linux-stable-ad35879aa192e783db2d41c196f48f3fc059ce22.tar.gz linux-stable-ad35879aa192e783db2d41c196f48f3fc059ce22.tar.bz2 linux-stable-ad35879aa192e783db2d41c196f48f3fc059ce22.zip | |
ALSA: hda - Add mute LED support for HP laptop with ALC269
Some HP laptops have a mute LED that is controlled over the unused
MIC2 VREF pin. Implement the LED updater like patch_sigmatel.c for this
model.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci')
| -rw-r--r-- | sound/pci/hda/patch_realtek.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 1694f60631a1..9a361c2c7336 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -3467,6 +3467,10 @@ static int alc_init(struct hda_codec *codec) if (spec->init_hook) spec->init_hook(codec); +#ifdef CONFIG_SND_HDA_POWER_SAVE + if (codec->patch_ops.check_power_status) + codec->patch_ops.check_power_status(codec, 0x01); +#endif return 0; } @@ -3827,6 +3831,10 @@ static int alc_resume(struct hda_codec *codec) codec->patch_ops.init(codec); snd_hda_codec_resume_amp(codec); snd_hda_codec_resume_cache(codec); +#ifdef CONFIG_SND_HDA_POWER_SAVE + if (codec->patch_ops.check_power_status) + codec->patch_ops.check_power_status(codec, 0x01); +#endif return 0; } #endif @@ -13983,6 +13991,34 @@ static struct hda_pcm_stream alc269_44k_pcm_analog_capture = { /* NID is set in alc_build_pcms */ }; +#ifdef CONFIG_SND_HDA_POWER_SAVE +static int alc269_mic2_for_mute_led(struct hda_codec *codec) +{ + switch (codec->subsystem_id) { + case 0x103c1586: + return 1; + } + return 0; +} + +static int alc269_mic2_mute_check_ps(struct hda_codec *codec, hda_nid_t nid) +{ + /* update mute-LED according to the speaker mute state */ + if (nid == 0x01 || nid == 0x14) { + int pinval; + if (snd_hda_codec_amp_read(codec, 0x14, 0, HDA_OUTPUT, 0) & + HDA_AMP_MUTE) + pinval = 0x24; + else + pinval = 0x20; + /* mic2 vref pin is used for mute LED control */ + snd_hda_codec_write(codec, 0x19, 0, + AC_VERB_SET_PIN_WIDGET_CONTROL, pinval); + } + return alc_check_power_status(codec, nid); +} +#endif /* CONFIG_SND_HDA_POWER_SAVE */ + /* * BIOS auto configuration */ @@ -14330,6 +14366,8 @@ static int patch_alc269(struct hda_codec *codec) #ifdef CONFIG_SND_HDA_POWER_SAVE if (!spec->loopback.amplist) spec->loopback.amplist = alc269_loopbacks; + if (alc269_mic2_for_mute_led(codec)) + codec->patch_ops.check_power_status = alc269_mic2_mute_check_ps; #endif return 0; |