ALSA: hda - More coverage for odd-number channels elimination for HDMI

The commit ad09fc9 didn't cover the case for Intel and Nvidia HDMIs, where hdmi_pcm_open() is called. Put the hw_constraint there, too. Signed-off-by: Takashi Iwai <[email protected]>
nvmd · Jan 14, 2011 · 4fe2ca1 · 4fe2ca1
1 parent 639cef0
commit 4fe2ca1
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c
@@ -850,6 +850,9 @@ static int hdmi_pcm_open(struct hda_pcm_stream *hinfo,
 	runtime->hw.channels_max = hinfo->channels_max;
 	runtime->hw.formats = hinfo->formats;
 	runtime->hw.rates = hinfo->rates;
+
+	snd_pcm_hw_constraint_step(substream->runtime, 0,
+				   SNDRV_PCM_HW_PARAM_CHANNELS, 2);
 	return 0;
 }