[ALSA] dummy driver - added CA0106 emulation defines
authorJaroslav Kysela <perex@suse.cz>
Tue, 3 Jan 2006 13:27:21 +0000 (14:27 +0100)
committerJaroslav Kysela <perex@suse.cz>
Wed, 4 Jan 2006 09:13:46 +0000 (10:13 +0100)
Modules: Generic drivers

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
sound/drivers/dummy.c

index 96d2070..14e1a67 100644 (file)
@@ -92,11 +92,27 @@ static int emu10k1_playback_constraints(struct snd_pcm_runtime *runtime)
 #define USE_RATE_MAX           48000
 #endif
 
+#if 0 /* CA0106 */
+#define USE_FORMATS            SNDRV_PCM_FMTBIT_S16_LE
+#define USE_CHANNELS_MIN       2
+#define USE_CHANNELS_MAX       2
+#define USE_RATE               (SNDRV_PCM_RATE_48000|SNDRV_PCM_RATE_96000|SNDRV_PCM_RATE_192000) 
+#define USE_RATE_MIN           48000 
+#define USE_RATE_MAX           192000
+#define MAX_BUFFER_SIZE                ((65536-64)*8)
+#define MAX_PERIOD_SIZE                (65536-64)
+#define USE_PERIODS_MIN                2
+#define USE_PERIODS_MAX                8
+#endif
+
 
 /* defaults */
 #ifndef MAX_BUFFER_SIZE
 #define MAX_BUFFER_SIZE                (64*1024)
 #endif
+#ifndef MAX_PERIOD_SIZE
+#define MAX_PERIOD_SIZE                MAX_BUFFER_SIZE
+#endif
 #ifndef USE_FORMATS
 #define USE_FORMATS            (SNDRV_PCM_FMTBIT_U8 | SNDRV_PCM_FMTBIT_S16_LE)
 #endif
@@ -287,7 +303,7 @@ static struct snd_pcm_hardware snd_card_dummy_capture =
        .channels_max =         USE_CHANNELS_MAX,
        .buffer_bytes_max =     MAX_BUFFER_SIZE,
        .period_bytes_min =     64,
-       .period_bytes_max =     MAX_BUFFER_SIZE,
+       .period_bytes_max =     MAX_PERIOD_SIZE,
        .periods_min =          USE_PERIODS_MIN,
        .periods_max =          USE_PERIODS_MAX,
        .fifo_size =            0,