ALSA:dummy:Enable dummy driver for multiple formats

Enable dummy driver for 16 channel.
Enable dummy driver with 24 bit and 32 bit.

Test done with tinyalsa:
- Recording and playback 16-channel 24bit and 32bit audio
on the Dummy card works fine.

Change-Id: I685639fb714b4ad95990f8bd29840d5688bc8955
Signed-off-by: pmandri <[email protected]>
Signed-off-by: Wan, Xinxin <[email protected]>
Signed-off-by: Martin, Chen <[email protected]>

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