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 --- sound/pci/hda/hda_codec.c | 12 +++++++++--- sound/pci/hda/hda_generic.c | 5 +++-- sound/pci/hda/hda_generic.h | 3 +++ sound/pci/hda/patch_sigmatel.c | 36 ++++++++++++------------------------ 4 files changed, 27 insertions(+), 29 deletions(-)
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c index ab2a991d916f..ec4536c8d8d4 100644 --- a/sound/pci/hda/hda_codec.c +++ b/sound/pci/hda/hda_codec.c @@ -3927,6 +3927,8 @@ unsigned int snd_hda_codec_eapd_power_filter(struct hda_codec *codec, hda_nid_t nid, unsigned int power_state) { + if (nid == codec->afg || nid == codec->mfg) + return power_state; if (power_state == AC_PWRST_D3 && get_wcaps_type(get_wcaps(codec, nid)) == AC_WID_PIN && (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_EAPD)) { @@ -3965,9 +3967,13 @@ static unsigned int hda_set_power_state(struct hda_codec *codec, codec->patch_ops.set_power_state(codec, fg, power_state); else { - snd_hda_codec_read(codec, fg, flags, - AC_VERB_SET_POWER_STATE, - power_state); + state = power_state; + if (codec->power_filter) + state = codec->power_filter(codec, fg, state); + if (state == power_state || power_state != AC_PWRST_D3) + snd_hda_codec_read(codec, fg, flags, + AC_VERB_SET_POWER_STATE, + state); snd_hda_codec_set_power_to_all(codec, fg, power_state); } state = hda_sync_power_state(codec, fg, power_state); diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index 7513089c8985..8321a97d5c05 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -4312,11 +4312,11 @@ static int check_auto_mic_availability(struct hda_codec *codec) }
/* power_filter hook; make inactive widgets into power down */ -static unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec, +unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec, hda_nid_t nid, unsigned int power_state) { - if (power_state != AC_PWRST_D0) + if (power_state != AC_PWRST_D0 || nid == codec->afg) return power_state; if (get_wcaps_type(get_wcaps(codec, nid)) >= AC_WID_POWER) return power_state; @@ -4324,6 +4324,7 @@ static unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec, return power_state; return AC_PWRST_D3; } +EXPORT_SYMBOL_GPL(snd_hda_gen_path_power_filter);
/* mute all aamix inputs initially; parse up to the first leaves */ static void mute_all_mixer_nid(struct hda_codec *codec, hda_nid_t mix) diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h index 0929a06df812..07f767231c9f 100644 --- a/sound/pci/hda/hda_generic.h +++ b/sound/pci/hda/hda_generic.h @@ -335,5 +335,8 @@ void snd_hda_gen_update_outputs(struct hda_codec *codec); #ifdef CONFIG_PM int snd_hda_gen_check_power_status(struct hda_codec *codec, hda_nid_t nid); #endif +unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec, + hda_nid_t nid, + unsigned int power_state);
#endif /* __SOUND_HDA_GENERIC_H */ 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; } }