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Commit 6b6d0007 authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: hda - Fix jack detection at resume with VT codecs 

VT202x codecs seem requiring some delay after the resume D0 power
transition for making the jack detection working again.  Without the
delay soon after D0, the jack is always detected as unplugged.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=98921


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 2f80b295

sound/pci/hda/patch_via.c

+10 −0
Original line number Diff line number Diff line
@@ -449,6 +449,15 @@ static int via_suspend(struct hda_codec *codec) 


	return 0;

}



static int via_resume(struct hda_codec *codec)

{

	/* some delay here to make jack detection working (bko#98921) */

	msleep(10);

	codec->patch_ops.init(codec);

	regcache_sync(codec->core.regmap);

	return 0;

}

#endif



#ifdef CONFIG_PM
@@ -475,6 +484,7 @@ static const struct hda_codec_ops via_patch_ops = { 
	.stream_pm = snd_hda_gen_stream_pm,

#ifdef CONFIG_PM

	.suspend = via_suspend,

	.resume = via_resume,

	.check_power_status = via_check_power_status,

#endif

};