hda: STAC927x VREF fix
PATCH 1/1 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.
---
pci/hda/patch_sigmatel.c +1 -0
@@ -3344,6 +3344,7 @@ static int patch_stac927x(struct hda_cod spec->mixer = stac927x_mixer;break ;case STAC_DELL_BIOS : +stac92xx_set_config_reg (codec,0x0e ,0x02a79130 );case STAC_DELL_3ST :/* GPIO2 High = Enable EAPD */ spec->gpio_mask = spec->gpio_data =0x00000004 ;
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At Fri, 04 Jan 2008 21:58:38 -0500,
Quoted 7 lines · Matthew Ranostay
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 Matthew Ranostay <[email protected]>
Applied (with additional comments in the code) to HG tree. Thanks.
Takashi