Update of /cvsroot/alsa/alsa-kernel/drivers
In directory sc8-pr-cvs1:/tmp/cvs-serv8583
Modified Files:
dummy.c
Log Message:
Added emu10k1 emulation by Takashi
Index: dummy.c
===================================================================
RCS file: /cvsroot/alsa/alsa-kernel/drivers/dummy.c,v
retrieving revision 1.25
retrieving revision 1.26
diff -u -r1.25 -r1.26
--- dummy.c 3 Sep 2003 13:43:41 -0000 1.25
+++ dummy.c 30 Sep 2003 08:58:53 -0000 1.26
@@ -41,6 +41,20 @@
#define MAX_PCM_SUBSTREAMS 16
#define MAX_MIDI_DEVICES 2
+#if 0 /* emu10k1 emulation */
+#define MAX_BUFFER_SIZE (128 * 1024)
+static int emu10k1_playback_constraints(snd_pcm_runtime_t *runtime)
+{
+ int err;
+ if ((err = snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS))
< 0)
+ return err;
+ if ((err = snd_pcm_hw_constraint_minmax(runtime,
SNDRV_PCM_HW_PARAM_BUFFER_BYTES, 256, UINT_MAX)) < 0)
+ return err;
+ return 0;
+}
+#define add_playback_constraints emu10k1_playback_constraints
+#endif
+
#if 0 /* RME9652 emulation */
#define MAX_BUFFER_SIZE (26 * 64 * 1024)
#define USE_FORMATS SNDRV_PCM_FMTBIT_S32_LE
@@ -102,6 +116,12 @@
#ifndef USE_PERIODS_MAX
#define USE_PERIODS_MAX 1024
#endif
+#ifndef add_playback_constraints
+#define add_playback_constraints(x) 0
+#endif
+#ifndef add_capture_constraints
+#define add_capture_constraints(x) 0
+#endif
static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; /* Index 0-MAX */
static char *id[SNDRV_CARDS] = SNDRV_DEFAULT_STR; /* ID for this card */
@@ -325,6 +345,7 @@
{
snd_pcm_runtime_t *runtime = substream->runtime;
snd_card_dummy_pcm_t *dpcm;
+ int err;
dpcm = snd_magic_kcalloc(snd_card_dummy_pcm_t, 0, GFP_KERNEL);
if (dpcm == NULL)
@@ -347,6 +368,11 @@
}
if (substream->pcm->device & 2)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID);
+ if ((err = add_playback_constraints(runtime)) < 0) {
+ snd_magic_kfree(dpcm);
+ return err;
+ }
+
return 0;
}
@@ -354,6 +380,7 @@
{
snd_pcm_runtime_t *runtime = substream->runtime;
snd_card_dummy_pcm_t *dpcm;
+ int err;
dpcm = snd_magic_kcalloc(snd_card_dummy_pcm_t, 0, GFP_KERNEL);
if (dpcm == NULL)
@@ -377,6 +404,11 @@
}
if (substream->pcm->device & 2)
runtime->hw.info &= ~(SNDRV_PCM_INFO_MMAP|SNDRV_PCM_INFO_MMAP_VALID);
+ if ((err = add_capture_constraints(runtime)) < 0) {
+ snd_magic_kfree(dpcm);
+ return err;
+ }
+
return 0;
}
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