Commit c481fca3 authored by Matthew Ranostay's avatar Matthew Ranostay Committed by Jaroslav Kysela

[ALSA] hda: STAC927x VREF fix

Some laptops incorrectly assume the front input jack as a line in
instead of a microphone in. Which in turn disables the voltage
reference, in which non-amplified input is not possible.  This patch
enables VREF80 for the input jack.
Signed-off-by: default avatarMatthew Ranostay <mranostay@embeddedalley.com>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@perex.cz>
parent 740eb835
...@@ -3344,6 +3344,9 @@ static int patch_stac927x(struct hda_codec *codec) ...@@ -3344,6 +3344,9 @@ static int patch_stac927x(struct hda_codec *codec)
spec->mixer = stac927x_mixer; spec->mixer = stac927x_mixer;
break; break;
case STAC_DELL_BIOS: case STAC_DELL_BIOS:
/* correct the front input jack as a mic */
stac92xx_set_config_reg(codec, 0x0e, 0x02a79130);
/* fallthru */
case STAC_DELL_3ST: case STAC_DELL_3ST:
/* GPIO2 High = Enable EAPD */ /* GPIO2 High = Enable EAPD */
spec->gpio_mask = spec->gpio_data = 0x00000004; spec->gpio_mask = spec->gpio_data = 0x00000004;
......
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