static void hda_set_power_state(struct hda_codec *codec, hda_nid_t fg,
unsigned int power_state)
{
+ int count;
+ unsigned int state;
+
if (codec->patch_ops.set_power_state) {
codec->patch_ops.set_power_state(codec, fg, power_state);
return;
bool epss = snd_hda_codec_get_supported_ps(codec, fg, AC_PWRST_EPSS);
msleep(epss ? 10 : 100);
}
- snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE,
- power_state);
- snd_hda_codec_set_power_to_all(codec, fg, power_state, true);
+
+ /* repeat power states setting at most 10 times*/
+ for (count = 0; count < 10; count++) {
+ snd_hda_codec_read(codec, fg, 0, AC_VERB_SET_POWER_STATE,
+ power_state);
+ snd_hda_codec_set_power_to_all(codec, fg, power_state, true);
+ state = snd_hda_codec_read(codec, fg, 0,
+ AC_VERB_GET_POWER_STATE, 0);
+ if (!(state & AC_PWRST_ERROR))
+ break;
+ }
}
#ifdef CONFIG_SND_HDA_HWDEP