From: Takashi Iwai Date: Wed, 25 Jul 2012 11:54:55 +0000 (+0200) Subject: ALSA: hda - Fix invalid D3 of headphone DAC on VT202x codecs X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=6162552b0de6ba80937c3dd53e084967851cd199;p=openwrt%2Fstaging%2Fblogic.git ALSA: hda - Fix invalid D3 of headphone DAC on VT202x codecs We've got a bug report about the silent output from the headphone on a mobo with VT2021, and spotted out that this was because of the wrong D3 state on the DAC for the headphone output. The bug is triggered by the incomplete check for this DAC in set_widgets_power_state_vt1718S(). It checks only the connectivity of the primary output (0x27) but doesn't consider the path from the headphone pin (0x28). Now this patch fixes the problem by checking both pins for DAC 0x0b. Cc: Signed-off-by: Takashi Iwai --- diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c index 90645560ed39..80d90cb42853 100644 --- a/sound/pci/hda/patch_via.c +++ b/sound/pci/hda/patch_via.c @@ -3226,7 +3226,7 @@ static void set_widgets_power_state_vt1718S(struct hda_codec *codec) { struct via_spec *spec = codec->spec; int imux_is_smixer; - unsigned int parm; + unsigned int parm, parm2; /* MUX6 (1eh) = stereo mixer */ imux_is_smixer = snd_hda_codec_read(codec, 0x1e, 0, AC_VERB_GET_CONNECT_SEL, 0x00) == 5; @@ -3249,7 +3249,7 @@ static void set_widgets_power_state_vt1718S(struct hda_codec *codec) parm = AC_PWRST_D3; set_pin_power_state(codec, 0x27, &parm); update_power_state(codec, 0x1a, parm); - update_power_state(codec, 0xb, parm); + parm2 = parm; /* for pin 0x0b */ /* PW2 (26h), AOW2 (ah) */ parm = AC_PWRST_D3; @@ -3264,6 +3264,9 @@ static void set_widgets_power_state_vt1718S(struct hda_codec *codec) if (!spec->hp_independent_mode) /* check for redirected HP */ set_pin_power_state(codec, 0x28, &parm); update_power_state(codec, 0x8, parm); + if (!spec->hp_independent_mode && parm2 != AC_PWRST_D3) + parm = parm2; + update_power_state(codec, 0xb, parm); /* MW9 (21h), Mw2 (1ah), AOW0 (8h) */ update_power_state(codec, 0x21, imux_is_smixer ? AC_PWRST_D0 : parm);