1 files changed, 20 insertions, 0 deletions

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 52b1d81a26f7..e7e43524f8c7 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -447,6 +447,23 @@ static struct hda_pcm_stream vt1708_pcm_analog_playback = {
         },
 };
 
+static struct hda_pcm_stream vt1708_pcm_analog_s16_playback = {
+        .substreams = 1,
+        .channels_min = 2,
+        .channels_max = 8,
+        .nid = 0x10, /* NID to query formats and rates */
+        /* We got noisy outputs on the right channel on VT1708 when
+         * 24bit samples are used.  Until any workaround is found,
+         * disable the 24bit format, so far.
+         */
+        .formats = SNDRV_PCM_FMTBIT_S16_LE,
+        .ops = {
+                .open = via_playback_pcm_open,
+                .prepare = via_playback_pcm_prepare,
+                .cleanup = via_playback_pcm_cleanup
+        },
+};
+
 static struct hda_pcm_stream vt1708_pcm_analog_capture = {
         .substreams = 2,
         .channels_min = 2,
@@ -899,6 +916,9 @@ static int patch_vt1708(struct hda_codec *codec)
         
         spec->stream_name_analog = "VT1708 Analog";
         spec->stream_analog_playback = &vt1708_pcm_analog_playback;
+        /* disable 32bit format on VT1708 */
+        if (codec->vendor_id == 0x11061708)
+                spec->stream_analog_playback = &vt1708_pcm_analog_s16_playback;
         spec->stream_analog_capture = &vt1708_pcm_analog_capture;
 
         spec->stream_name_digital = "VT1708 Digital";