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| author |   Takashi Iwai <tiwai@suse.de> | 2013-01-24 17:47:17 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2013-01-24 17:47:17 +0100 |
| commit | 9040d102da5635abc306372bb4dbffaba92c478e (patch) | |
| tree | b6674ae2c98ab64d78c78b7623e51e676bacd55f /sound/pci/hda/patch_via.c | |
| parent | ALSA: hda - Synchronize the power state at the end of codec init (diff) | |
| download | linux-dev-9040d102da5635abc306372bb4dbffaba92c478e.tar.xz linux-dev-9040d102da5635abc306372bb4dbffaba92c478e.zip | |
ALSA: hda - Add snd_hda_check_power_state() helper function
... for small refactoring.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to '')
| -rw-r--r-- | sound/pci/hda/patch_via.c | 11 |
1 files changed, 3 insertions, 8 deletions
diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 5bd4b0c10003..9641c0e487bb 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -240,10 +240,7 @@ static void set_widgets_power_state(struct hda_codec *codec) static void update_power_state(struct hda_codec *codec, hda_nid_t nid, unsigned int parm) { - unsigned int state = snd_hda_codec_read(codec, nid, 0, - AC_VERB_GET_POWER_STATE, 0); - state = (state >> 4) & 0x0f; - if (state == parm) + if (snd_hda_check_power_state(codec, nid, parm)) return; snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE, parm); } @@ -253,10 +250,8 @@ static void update_conv_power_state(struct hda_codec *codec, hda_nid_t nid, { struct via_spec *spec = codec->spec; unsigned int format; - unsigned int state = snd_hda_codec_read(codec, nid, 0, - AC_VERB_GET_POWER_STATE, 0); - state = (state >> 4) & 0x0f; - if (state == parm) + + if (snd_hda_check_power_state(codec, nid, parm)) return; format = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_CONV, 0); if (format && (spec->dac_stream_tag[index] != format)) |