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| author | Takashi Iwai <tiwai@suse.de> | 2011-02-08 19:25:49 +0300 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-02-08 19:29:28 +0300 |
| commit | 11839aed21881d7edd65dd79f22a8eb18426f672 (patch) | |
| tree | 4b34b86fdcb51bce54c4ca4c9acaae908e20b673 | |
| parent | 1cdfa9f34acb9780e0fe7b8a41fb1a885ab94735 (diff) | |
| download | linux-11839aed21881d7edd65dd79f22a8eb18426f672.tar.xz | |
ALSA: hda - Fix missing CA initialization for HDMI/DP
The commit 53d7d69d8ffdfa60c5b66cc2e9ee0774aaaef5c0
ALSA: hdmi - support infoframe for DisplayPort
dropped the initialization of CA field accidentally.
This resulted in only two-channel LPCM mode on Nvidia machines.
Reference: kernel bug 28592
https://bugzilla.kernel.org/show_bug.cgi?id=28592
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Cc: <stable@kernel.org>
| -rw-r--r-- | sound/pci/hda/patch_hdmi.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 2d5b83fa8d24..a58767736727 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -642,6 +642,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid, hdmi_ai->ver = 0x01; hdmi_ai->len = 0x0a; hdmi_ai->CC02_CT47 = channels - 1; + hdmi_ai->CA = ca; hdmi_checksum_audio_infoframe(hdmi_ai); } else if (spec->sink_eld[i].conn_type == 1) { /* DisplayPort */ struct dp_audio_infoframe *dp_ai; @@ -651,6 +652,7 @@ static void hdmi_setup_audio_infoframe(struct hda_codec *codec, hda_nid_t nid, dp_ai->len = 0x1b; dp_ai->ver = 0x11 << 2; dp_ai->CC02_CT47 = channels - 1; + dp_ai->CA = ca; } else { snd_printd("HDMI: unknown connection type at pin %d\n", pin_nid); |