[alsa-devel] [PATCH] ALSA: hda - Set channels count for HBR format

[Wang Xingchao]

If it's HBR format, the channels count should be 8.

Signed-off-by: Wang Xingchao <xingchao.wang at intel.com>
---
 sound/pci/hda/patch_hdmi.c |    7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
index ad319d4..ae4e67e 100644
--- a/sound/pci/hda/patch_hdmi.c
+++ b/sound/pci/hda/patch_hdmi.c
@@ -1153,8 +1153,11 @@ static int generic_hdmi_playback_pcm_prepare(struct hda_pcm_stream *hinfo,
 	struct hdmi_spec *spec = codec->spec;
 	int pin_idx = hinfo_to_pin_index(spec, hinfo);
 	hda_nid_t pin_nid = spec->pins[pin_idx].pin_nid;
-
-	hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
+
+	if (is_hbr_format(format))
+		hdmi_set_channel_count(codec, cvt_nid, 8);
+	else
+		hdmi_set_channel_count(codec, cvt_nid, substream->runtime->channels);
 
 	hdmi_setup_audio_infoframe(codec, pin_idx, substream);
 
-- 
1.7.9.5