X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=sound%2Fdrivers%2Fdummy.c;h=42001efa9f3ec04db9127c71c685624c9b75f48b;hb=refs%2Fheads%2Fvserver;hp=14e1a671b5cf71998ab31c7016cf028b0664dfc9;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/sound/drivers/dummy.c b/sound/drivers/dummy.c
index 14e1a671b..42001efa9 100644
--- a/sound/drivers/dummy.c
+++ b/sound/drivers/dummy.c
@@ -29,6 +29,7 @@
 #include <linux/moduleparam.h>
 #include <sound/core.h>
 #include <sound/control.h>
+#include <sound/tlv.h>
 #include <sound/pcm.h>
 #include <sound/rawmidi.h>
 #include <sound/initval.h>
@@ -285,7 +286,7 @@ static struct snd_pcm_hardware snd_card_dummy_playback =
 	.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,
@@ -443,10 +444,13 @@ static int __init snd_card_dummy_pcm(struct snd_dummy *dummy, int device, int su
 }
 
 #define DUMMY_VOLUME(xname, xindex, addr) \
-{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, \
+  .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
+  .name = xname, .index = xindex, \
   .info = snd_dummy_volume_info, \
   .get = snd_dummy_volume_get, .put = snd_dummy_volume_put, \
-  .private_value = addr }
+  .private_value = addr, \
+  .tlv = { .p = db_scale_dummy } }
 
 static int snd_dummy_volume_info(struct snd_kcontrol *kcontrol,
 				 struct snd_ctl_elem_info *uinfo)
@@ -497,6 +501,8 @@ static int snd_dummy_volume_put(struct snd_kcontrol *kcontrol,
 	return change;
 }
 
+static DECLARE_TLV_DB_SCALE(db_scale_dummy, -4500, 30, 0);
+
 #define DUMMY_CAPSRC(xname, xindex, addr) \
 { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
   .info = snd_dummy_capsrc_info, \
@@ -547,13 +553,13 @@ static struct snd_kcontrol_new snd_dummy_controls[] = {
 DUMMY_VOLUME("Master Volume", 0, MIXER_ADDR_MASTER),
 DUMMY_CAPSRC("Master Capture Switch", 0, MIXER_ADDR_MASTER),
 DUMMY_VOLUME("Synth Volume", 0, MIXER_ADDR_SYNTH),
-DUMMY_CAPSRC("Synth Capture Switch", 0, MIXER_ADDR_MASTER),
+DUMMY_CAPSRC("Synth Capture Switch", 0, MIXER_ADDR_SYNTH),
 DUMMY_VOLUME("Line Volume", 0, MIXER_ADDR_LINE),
-DUMMY_CAPSRC("Line Capture Switch", 0, MIXER_ADDR_MASTER),
+DUMMY_CAPSRC("Line Capture Switch", 0, MIXER_ADDR_LINE),
 DUMMY_VOLUME("Mic Volume", 0, MIXER_ADDR_MIC),
-DUMMY_CAPSRC("Mic Capture Switch", 0, MIXER_ADDR_MASTER),
+DUMMY_CAPSRC("Mic Capture Switch", 0, MIXER_ADDR_MIC),
 DUMMY_VOLUME("CD Volume", 0, MIXER_ADDR_CD),
-DUMMY_CAPSRC("CD Capture Switch", 0, MIXER_ADDR_MASTER)
+DUMMY_CAPSRC("CD Capture Switch", 0, MIXER_ADDR_CD)
 };
 
 static int __init snd_card_dummy_new_mixer(struct snd_dummy *dummy)
@@ -669,13 +675,17 @@ static int __init alsa_card_dummy_init(void)
 		return err;
 
 	cards = 0;
-	for (i = 0; i < SNDRV_CARDS && enable[i]; i++) {
+	for (i = 0; i < SNDRV_CARDS; i++) {
 		struct platform_device *device;
+		if (! enable[i])
+			continue;
 		device = platform_device_register_simple(SND_DUMMY_DRIVER,
 							 i, NULL, 0);
-		if (IS_ERR(device)) {
-			err = PTR_ERR(device);
-			goto errout;
+		if (IS_ERR(device))
+			continue;
+		if (!platform_get_drvdata(device)) {
+			platform_device_unregister(device);
+			continue;
 		}
 		devices[i] = device;
 		cards++;
@@ -684,14 +694,10 @@ static int __init alsa_card_dummy_init(void)
 #ifdef MODULE
 		printk(KERN_ERR "Dummy soundcard not found or device busy\n");
 #endif
-		err = -ENODEV;
-		goto errout;
+		snd_dummy_unregister_all();
+		return -ENODEV;
 	}
 	return 0;
-
- errout:
-	snd_dummy_unregister_all();
-	return err;
 }
 
 static void __exit alsa_card_dummy_exit(void)