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path: root/sound/pci/hda/patch_hdmi.c
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Diffstat (limited to 'sound/pci/hda/patch_hdmi.c')
-rw-r--r--sound/pci/hda/patch_hdmi.c38
1 files changed, 38 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index ede8215..32930e6 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1018,6 +1018,41 @@ static void hdmi_unsol_event(struct hda_codec *codec, unsigned int res)
hdmi_non_intrinsic_event(codec, res);
}
+static void haswell_verify_pin_D0(struct hda_codec *codec, hda_nid_t nid)
+{
+ int pwr, lamp, ramp;
+
+ pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
+ pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
+ if (pwr != AC_PWRST_D0) {
+ snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_POWER_STATE,
+ AC_PWRST_D0);
+ msleep(40);
+ pwr = snd_hda_codec_read(codec, nid, 0, AC_VERB_GET_POWER_STATE, 0);
+ pwr = (pwr & AC_PWRST_ACTUAL) >> AC_PWRST_ACTUAL_SHIFT;
+ snd_printd("Haswell HDMI audio: Power for pin 0x%x is now D%d\n", nid, pwr);
+ }
+
+ lamp = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_AMP_GAIN_MUTE,
+ AC_AMP_GET_LEFT | AC_AMP_GET_OUTPUT);
+ ramp = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_AMP_GAIN_MUTE,
+ AC_AMP_GET_RIGHT | AC_AMP_GET_OUTPUT);
+ if (lamp != ramp) {
+ snd_hda_codec_write(codec, nid, 0, AC_VERB_SET_AMP_GAIN_MUTE,
+ AC_AMP_SET_RIGHT | AC_AMP_SET_OUTPUT | lamp);
+
+ lamp = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_AMP_GAIN_MUTE,
+ AC_AMP_GET_LEFT | AC_AMP_GET_OUTPUT);
+ ramp = snd_hda_codec_read(codec, nid, 0,
+ AC_VERB_GET_AMP_GAIN_MUTE,
+ AC_AMP_GET_RIGHT | AC_AMP_GET_OUTPUT);
+ snd_printd("Haswell HDMI audio: Mute after set on pin 0x%x: [0x%x 0x%x]\n", nid, lamp, ramp);
+ }
+}
+
/*
* Callbacks
*/
@@ -1032,6 +1067,9 @@ static int hdmi_setup_stream(struct hda_codec *codec, hda_nid_t cvt_nid,
int pinctl;
int new_pinctl = 0;
+ if (codec->vendor_id == 0x80862807)
+ haswell_verify_pin_D0(codec, pin_nid);
+
if (snd_hda_query_pin_caps(codec, pin_nid) & AC_PINCAP_HBR) {
pinctl = snd_hda_codec_read(codec, pin_nid, 0,
AC_VERB_GET_PIN_WIDGET_CONTROL, 0);