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path: root/drivers/media/video/saa7134/saa7134-alsa.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-alsa.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-alsa.c36
1 files changed, 26 insertions, 10 deletions
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index 5707c666660..263c6e2e3e8 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -58,8 +58,6 @@ static int enable[SNDRV_CARDS] = {1, [1 ... (SNDRV_CARDS - 1)] = 0};
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for SAA7134 capture interface(s).");
-int position;
-
#define dprintk(fmt, arg...) if (debug) \
printk(KERN_DEBUG "%s/alsa: " fmt, dev->name , ## arg)
@@ -140,7 +138,8 @@ static void saa7134_dma_start(struct saa7134_dev *dev)
*
*/
-void saa7134_irq_alsa_done(struct saa7134_dev *dev, unsigned long status)
+static void saa7134_irq_alsa_done(struct saa7134_dev *dev,
+ unsigned long status)
{
int next_blk, reg = 0;
@@ -881,7 +880,7 @@ static void snd_saa7134_free(snd_card_t * card)
*
*/
-int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
+static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
{
snd_card_t *card;
@@ -945,6 +944,8 @@ int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
sprintf(card->longname, "%s at 0x%lx irq %d",
chip->dev->name, chip->iobase, chip->irq);
+ printk(KERN_INFO "%s/alsa: %s registered as card %d\n",dev->name,card->longname,index[devnum]);
+
if ((err = snd_card_register(card)) == 0) {
snd_saa7134_cards[devnum] = card;
return 0;
@@ -955,6 +956,22 @@ __nodev:
return err;
}
+
+static int alsa_device_init(struct saa7134_dev *dev)
+{
+ dev->dmasound.priv_data = dev;
+ alsa_card_saa7134_create(dev,dev->nr);
+ return 1;
+}
+
+static int alsa_device_exit(struct saa7134_dev *dev)
+{
+
+ snd_card_free(snd_saa7134_cards[dev->nr]);
+ snd_saa7134_cards[dev->nr] = NULL;
+ return 1;
+}
+
/*
* Module initializer
*
@@ -968,22 +985,21 @@ static int saa7134_alsa_init(void)
struct saa7134_dev *dev = NULL;
struct list_head *list;
- position = 0;
-
printk(KERN_INFO "saa7134 ALSA driver for DMA sound loaded\n");
list_for_each(list,&saa7134_devlist) {
dev = list_entry(list, struct saa7134_dev, devlist);
if (dev->dmasound.priv_data == NULL) {
- dev->dmasound.priv_data = dev;
- alsa_card_saa7134_create(dev,position);
- position++;
+ alsa_device_init(dev);
} else {
printk(KERN_ERR "saa7134 ALSA: DMA sound is being handled by OSS. ignoring %s\n",dev->name);
return -EBUSY;
}
}
+ dmasound_init = alsa_device_init;
+ dmasound_exit = alsa_device_exit;
+
if (dev == NULL)
printk(KERN_INFO "saa7134 ALSA: no saa7134 cards found\n");
@@ -994,7 +1010,7 @@ static int saa7134_alsa_init(void)
* Module destructor
*/
-void saa7134_alsa_exit(void)
+static void saa7134_alsa_exit(void)
{
int idx;