#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;
 
        {} /* 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
  */
        .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,
        .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,