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Commit 94994734 authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: hda - Preserve input pin-ctl bits in HP-automute for VIA codec 



For smart51 pins, we need to preserve the input pin-control bits at
auto-mute controls instead of overwriting zero or pin-out-only.
Otherwise the VREF won't be set properly when smart51 is disabled
again.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 6e969d91

sound/pci/hda/patch_via.c

+11 −3
Original line number Diff line number Diff line
@@ -1509,10 +1509,18 @@ static void toggle_output_mutes(struct hda_codec *codec, int num_pins, 
				hda_nid_t *pins, bool mute)

{

	int i;

	for (i = 0; i < num_pins; i++)

	for (i = 0; i < num_pins; i++) {

		unsigned int parm = snd_hda_codec_read(codec, pins[i], 0,

					  AC_VERB_GET_PIN_WIDGET_CONTROL, 0);

		if (parm & AC_PINCTL_IN_EN)

			continue;

		if (mute)

			parm &= ~AC_PINCTL_OUT_EN;

		else

			parm |= AC_PINCTL_OUT_EN;

		snd_hda_codec_write(codec, pins[i], 0,

				    AC_VERB_SET_PIN_WIDGET_CONTROL,

				    mute ? 0 : PIN_OUT);

				    AC_VERB_SET_PIN_WIDGET_CONTROL, parm);

	}

}



/* mute internal speaker if line-out is plugged */