ALSA: hda - Add snd_hda_shutup_pins() helper function

Add a common helper function for clearing pin controls before suspend.
Use the pincfg array instead of looking through all widget tree.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai
2009-12-27 11:18:59 +01:00
parent 043958e602
commit 92ee6162c4
3 changed files with 21 additions and 11 deletions

View File

@ -4385,18 +4385,8 @@ static void stac92xx_free_kctls(struct hda_codec *codec)
static void stac92xx_shutup(struct hda_codec *codec)
{
struct sigmatel_spec *spec = codec->spec;
int i;
hda_nid_t nid;
/* reset each pin before powering down DAC/ADC to avoid click noise */
nid = codec->start_nid;
for (i = 0; i < codec->num_nodes; i++, nid++) {
unsigned int wcaps = get_wcaps(codec, nid);
unsigned int wid_type = get_wcaps_type(wcaps);
if (wid_type == AC_WID_PIN)
snd_hda_codec_read(codec, nid, 0,
AC_VERB_SET_PIN_WIDGET_CONTROL, 0);
}
snd_hda_shutup_pins(codec);
if (spec->eapd_mask)
stac_gpio_set(codec, spec->gpio_mask,