diff options
author | Takashi Iwai <tiwai@suse.de> | 2014-01-13 16:09:57 +0100 |
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committer | Takashi Iwai <tiwai@suse.de> | 2014-01-13 16:30:15 +0100 |
commit | dfc6e469b6d1ee5e8c71fa398b7b58fbb600dad8 (patch) | |
tree | 0be5382d677d330bc326f4931cabf0e483d09a52 /sound/pci/hda/patch_sigmatel.c | |
parent | ALSA: hda - Don't set indep_hp flag for old AD codecs (diff) | |
download | linux-dfc6e469b6d1ee5e8c71fa398b7b58fbb600dad8.tar.xz linux-dfc6e469b6d1ee5e8c71fa398b7b58fbb600dad8.zip |
ALSA: hda - Apply codec power_filter to FG nodes
Apply the codec->power_filter to the FG nodes in general for reducing
hackish set_power_state ops override in patch_sigmatel.c.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/patch_sigmatel.c')
-rw-r--r-- | sound/pci/hda/patch_sigmatel.c | 36 |
1 files changed, 12 insertions, 24 deletions
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c index 088a5afbd1b9..6998cf29b9bc 100644 --- a/sound/pci/hda/patch_sigmatel.c +++ b/sound/pci/hda/patch_sigmatel.c @@ -368,6 +368,17 @@ static int stac_vrefout_set(struct hda_codec *codec, return 1; } +/* prevent codec AFG to D3 state when vref-out pin is used for mute LED */ +/* this hook is set in stac_setup_gpio() */ +static unsigned int stac_vref_led_power_filter(struct hda_codec *codec, + hda_nid_t nid, + unsigned int power_state) +{ + if (nid == codec->afg && power_state == AC_PWRST_D3) + return AC_PWRST_D1; + return snd_hda_gen_path_power_filter(codec, nid, power_state); +} + /* update mute-LED accoring to the master switch */ static void stac_update_led_status(struct hda_codec *codec, int enabled) { @@ -4260,30 +4271,8 @@ static int stac_suspend(struct hda_codec *codec) stac_shutup(codec); return 0; } - -static void stac_set_power_state(struct hda_codec *codec, hda_nid_t fg, - unsigned int power_state) -{ - unsigned int afg_power_state = power_state; - struct sigmatel_spec *spec = codec->spec; - - if (power_state == AC_PWRST_D3) { - if (spec->vref_mute_led_nid) { - /* with vref-out pin used for mute led control - * codec AFG is prevented from D3 state - */ - afg_power_state = AC_PWRST_D1; - } - /* this delay seems necessary to avoid click noise at power-down */ - msleep(100); - } - snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE, - afg_power_state); - snd_hda_codec_set_power_to_all(codec, fg, power_state); -} #else #define stac_suspend NULL -#define stac_set_power_state NULL #endif /* CONFIG_PM */ static const struct hda_codec_ops stac_patch_ops = { @@ -4466,8 +4455,7 @@ static void stac_setup_gpio(struct hda_codec *codec) spec->gpio_dir |= spec->gpio_led; spec->gpio_data |= spec->gpio_led; } else { - codec->patch_ops.set_power_state = - stac_set_power_state; + codec->power_filter = stac_vref_led_power_filter; } } |