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path: root/drivers/media/video/em28xx
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Diffstat (limited to 'drivers/media/video/em28xx')
-rw-r--r--drivers/media/video/em28xx/em28xx-audio.c12
-rw-r--r--drivers/media/video/em28xx/em28xx-dvb.c10
2 files changed, 22 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c
index 92b2a6db4fd..343dff0f8a0 100644
--- a/drivers/media/video/em28xx/em28xx-audio.c
+++ b/drivers/media/video/em28xx/em28xx-audio.c
@@ -415,6 +415,12 @@ static int em28xx_audio_init(struct em28xx *dev)
static int devnr;
int ret, err;
+ if (dev->has_audio_class) {
+ /* This device does not support the extension (in this case
+ the device is expecting the snd-usb-audio module */
+ return 0;
+ }
+
printk(KERN_INFO "em28xx-audio.c: probing for em28x1 "
"non standard usbaudio\n");
printk(KERN_INFO "em28xx-audio.c: Copyright (C) 2006 Markus "
@@ -458,6 +464,12 @@ static int em28xx_audio_fini(struct em28xx *dev)
if (dev == NULL)
return 0;
+ if (dev->has_audio_class) {
+ /* This device does not support the extension (in this case
+ the device is expecting the snd-usb-audio module */
+ return 0;
+ }
+
if (dev->adev) {
snd_card_free(dev->adev->sndcard);
kfree(dev->adev);
diff --git a/drivers/media/video/em28xx/em28xx-dvb.c b/drivers/media/video/em28xx/em28xx-dvb.c
index 8cf4983f003..0b2333ee07f 100644
--- a/drivers/media/video/em28xx/em28xx-dvb.c
+++ b/drivers/media/video/em28xx/em28xx-dvb.c
@@ -382,6 +382,11 @@ static int dvb_init(struct em28xx *dev)
int result = 0;
struct em28xx_dvb *dvb;
+ if (!dev->has_dvb) {
+ /* This device does not support the extension */
+ return 0;
+ }
+
dvb = kzalloc(sizeof(struct em28xx_dvb), GFP_KERNEL);
if (dvb == NULL) {
@@ -444,6 +449,11 @@ out_free:
static int dvb_fini(struct em28xx *dev)
{
+ if (!dev->has_dvb) {
+ /* This device does not support the extension */
+ return 0;
+ }
+
if (dev->dvb) {
unregister_dvb(dev->dvb);
dev->dvb = NULL;