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Commit bce6c2b5 authored by Matt Ranostay's avatar Matt Ranostay Committed by Takashi Iwai
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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: default avatarMatthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 3c9a3203

sound/pci/hda/patch_sigmatel.c

+4 −0
Original line number Diff line number Diff line
@@ -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);

	}