diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 9c17b49a2ae1..8470e4950bdf 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -31,15 +31,16 @@ MODULE_LICENSE("GPL");
 #define MAX_MIDI_DEVICES	2
 
 /* defaults */
-#define MAX_BUFFER_SIZE		(64*1024)
+#define MAX_BUFFER_SIZE		(16*64*1024)
 #define MIN_PERIOD_SIZE		64
 #define MAX_PERIOD_SIZE		MAX_BUFFER_SIZE
-#define USE_FORMATS 		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
+#define USE_FORMATS 		(SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE | SNDRV_PCM_FMTBIT_S24_LE \
+				| SNDRV_PCM_FMTBIT_S24_3LE | SNDRV_PCM_FMTBIT_S32_LE)
 #define USE_RATE		SNDRV_PCM_RATE_CONTINUOUS | SNDRV_PCM_RATE_8000_48000
 #define USE_RATE_MIN		5500
 #define USE_RATE_MAX		48000
 #define USE_CHANNELS_MIN 	1
-#define USE_CHANNELS_MAX 	2
+#define USE_CHANNELS_MAX 	16
 #define USE_PERIODS_MIN 	1
 #define USE_PERIODS_MAX 	1024
 #define USE_MIXER_VOLUME_LEVEL_MIN	-50