1 files changed, 25 insertions, 6 deletions

diff --git a/sound/pci/hda/patch_nvhdmi.c b/sound/pci/hda/patch_nvhdmi.c
index c8435c9a97f9..9fb60276f5c9 100644
--- a/sound/pci/hda/patch_nvhdmi.c
+++ b/sound/pci/hda/patch_nvhdmi.c
@@ -29,6 +29,9 @@
 #include "hda_codec.h"
 #include "hda_local.h"
 
+/* define below to restrict the supported rates and formats */
+/* #define LIMITED_RATE_FMT_SUPPORT */
+
 struct nvhdmi_spec {
         struct hda_multi_out multiout;
 
@@ -60,6 +63,22 @@ static struct hda_verb nvhdmi_basic_init[] = {
         {} /* terminator */
 };
 
+#ifdef LIMITED_RATE_FMT_SUPPORT
+/* support only the safe format and rate */
+#define SUPPORTED_RATES         SNDRV_PCM_RATE_48000
+#define SUPPORTED_MAXBPS        16
+#define SUPPORTED_FORMATS       SNDRV_PCM_FMTBIT_S16_LE
+#else
+/* support all rates and formats */
+#define SUPPORTED_RATES \
+        (SNDRV_PCM_RATE_22050 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000 |\
+        SNDRV_PCM_RATE_88200 | SNDRV_PCM_RATE_96000 | SNDRV_PCM_RATE_176400 |\
+         SNDRV_PCM_RATE_192000)
+#define SUPPORTED_MAXBPS        24
+#define SUPPORTED_FORMATS \
+        (SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S32_LE)
+#endif
+
 /*
  * Controls
  */
@@ -258,9 +277,9 @@ static struct hda_pcm_stream nvhdmi_pcm_digital_playback_8ch = {
         .channels_min = 2,
         .channels_max = 8,
         .nid = Nv_Master_Convert_nid,
-        .rates = SNDRV_PCM_RATE_48000,
-        .maxbps = 16,
-        .formats = SNDRV_PCM_FMTBIT_S16_LE,
+        .rates = SUPPORTED_RATES,
+        .maxbps = SUPPORTED_MAXBPS,
+        .formats = SUPPORTED_FORMATS,
         .ops = {
                 .open = nvhdmi_dig_playback_pcm_open,
                 .close = nvhdmi_dig_playback_pcm_close_8ch,
@@ -273,9 +292,9 @@ static struct hda_pcm_stream nvhdmi_pcm_digital_playback_2ch = {
         .channels_min = 2,
         .channels_max = 2,
         .nid = Nv_Master_Convert_nid,
-        .rates = SNDRV_PCM_RATE_48000,
-        .maxbps = 16,
-        .formats = SNDRV_PCM_FMTBIT_S16_LE,
+        .rates = SUPPORTED_RATES,
+        .maxbps = SUPPORTED_MAXBPS,
+        .formats = SUPPORTED_FORMATS,
         .ops = {
                 .open = nvhdmi_dig_playback_pcm_open,
                 .close = nvhdmi_dig_playback_pcm_close_2ch,