ALSA: hda: move open coded tricks into get_wcaps_channels()

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

1 files changed, 1 insertions, 2 deletions

diff --git a/sound/pci/hda/patch_atihdmi.c b/sound/pci/hda/patch_atihdmi.c
index 233e4778bba9..fb684f00156b 100644
--- a/sound/pci/hda/patch_atihdmi.c
+++ b/sound/pci/hda/patch_atihdmi.c
@@ -141,8 +141,7 @@ static int atihdmi_build_pcms(struct hda_codec *codec)
         /* FIXME: we must check ELD and change the PCM parameters dynamically
          */
         chans = get_wcaps(codec, CVT_NID);
-        chans = (chans & AC_WCAP_CHAN_CNT_EXT) >> 13;
-        chans = ((chans << 1) | 1) + 1;
+        chans = get_wcaps_channels(chans);
         info->stream[SNDRV_PCM_STREAM_PLAYBACK].channels_max = chans;
 
         return 0;