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 mranostay@embeddedalley.com
diff -r eeed28ed6b7d pci/hda/patch_sigmatel.c --- a/pci/hda/patch_sigmatel.c Fri Jan 04 09:22:20 2008 +0100 +++ b/pci/hda/patch_sigmatel.c Fri Jan 04 19:41:06 2008 -0700 @@ -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;