ALSA: hda - get intelhdmi max channels from widget caps

Signed-off-by: Wu Fengguang <fengguang.wu@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 6 insertions, 1 deletions

diff --git a/sound/pci/hda/patch_intelhdmi.c b/sound/pci/hda/patch_intelhdmi.c
index 08ea88deba6f..3c68aa9742d7 100644
--- a/sound/pci/hda/patch_intelhdmi.c
+++ b/sound/pci/hda/patch_intelhdmi.c
@@ -650,7 +650,6 @@ static int intel_hdmi_playback_pcm_cleanup(struct hda_pcm_stream *hinfo,
 static struct hda_pcm_stream intel_hdmi_pcm_playback = {
         .substreams = 1,
         .channels_min = 2,
-        .channels_max = 8,
         .ops = {
                 .prepare = intel_hdmi_playback_pcm_prepare,
                 .cleanup = intel_hdmi_playback_pcm_cleanup,
@@ -667,11 +666,17 @@ static int intel_hdmi_build_pcms(struct hda_codec *codec)
         codec->pcm_info = info;
 
         for (i = 0; i < codec->num_pcms; i++, info++) {
+                unsigned int chans;
+
+                chans = get_wcaps(codec, spec->cvt[i]);
+                chans = get_wcaps_channels(chans);
+
                 info->name = intel_hdmi_pcm_names[i];
                 info->pcm_type = HDA_PCM_TYPE_HDMI;
                 info->stream[SNDRV_PCM_STREAM_PLAYBACK] =
                                                         intel_hdmi_pcm_playback;
                 info->stream[SNDRV_PCM_STREAM_PLAYBACK].nid = spec->cvt[i];
+                info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
         }
 
         return 0;