diff options
Diffstat (limited to 'drivers/media/video/saa7134/saa7134-oss.c')
| -rw-r--r-- | drivers/media/video/saa7134/saa7134-oss.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c index 513a699a6df..8badd2a9cb2 100644 --- a/drivers/media/video/saa7134/saa7134-oss.c +++ b/drivers/media/video/saa7134/saa7134-oss.c @@ -959,8 +959,17 @@ static int saa7134_oss_init(void) struct saa7134_dev *dev = NULL; struct list_head *list; + if (!dmasound_init && !dmasound_exit) { + dmasound_init = oss_device_init; + dmasound_exit = oss_device_exit; + } else { + printk(KERN_WARNING "saa7134 OSS: can't load, DMA sound handler already assigned (probably to ALSA)\n"); + return -EBUSY; + } + printk(KERN_INFO "saa7134 OSS 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) { @@ -974,9 +983,6 @@ static int saa7134_oss_init(void) if (dev == NULL) printk(KERN_INFO "saa7134 OSS: no saa7134 cards found\n"); - dmasound_init = oss_device_init; - dmasound_exit = oss_device_exit; - return 0; } @@ -997,12 +1003,16 @@ static void saa7134_oss_exit(void) } + dmasound_init = NULL; + dmasound_exit = NULL; + printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n"); return; } -module_init(saa7134_oss_init); +/* We initialize this late, to make sure the sound system is up and running */ +late_initcall(saa7134_oss_init); module_exit(saa7134_oss_exit); MODULE_LICENSE("GPL"); MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]"); |