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[ALSA] hda: disable power management on fixed ports 

Power management can't be enabled on fixed ports, since the presence
will always return false and prevent output.

Signed-off-by: Matthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
wifi-calibration
Matthew Ranostay 2008-02-29 12:07:43 +01:00 committed by Takashi Iwai
parent 3c9a3203ff
commit bce6c2b5b4
1 changed files with 4 additions and 0 deletions
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4
sound/pci/hda/patch_sigmatel.c
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@ -3016,12 +3016,16 @@ static int stac92xx_init(struct hda_codec *codec)
? STAC_HP_EVENT : STAC_PWR_EVENT;
int pinctl = snd_hda_codec_read(codec, spec->pwr_nids[i],
0, AC_VERB_GET_PIN_WIDGET_CONTROL, 0);
int def_conf = snd_hda_codec_read(codec, spec->pwr_nids[i],
0, AC_VERB_GET_CONFIG_DEFAULT, 0);
/* outputs are only ports capable of power management
* any attempts on powering down a input port cause the
* referenced VREF to act quirky.
*/
if (pinctl & AC_PINCTL_IN_EN)
continue;
if (get_defcfg_connect(def_conf) != AC_JACK_PORT_FIXED)
continue;
enable_pin_detect(codec, spec->pwr_nids[i], event | i);
codec->patch_ops.unsol_event(codec, (event | i) << 26);
}