[media] em28xx: prevent registering wrong interfaces for audio-only
A few devices (em2860) use a separate interface for audio only
Audio Vendor Class USB. That interface should not be used by
Remote Controller, Analog TV or Digital TV.
Prevents initializing all non-audio extensions for the audio
only interface.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c
index f3b629d..9a5dad9 100644
--- a/drivers/media/usb/em28xx/em28xx-input.c
+++ b/drivers/media/usb/em28xx/em28xx-input.c
@@ -673,6 +673,11 @@
u64 rc_type;
u16 i2c_rc_dev_addr = 0;
+ if (dev->is_audio_only) {
+ /* Shouldn't initialize IR for this interface */
+ return 0;
+ }
+
if (dev->board.buttons)
em28xx_init_buttons(dev);
@@ -802,6 +807,11 @@
{
struct em28xx_IR *ir = dev->ir;
+ if (dev->is_audio_only) {
+ /* Shouldn't initialize IR for this interface */
+ return 0;
+ }
+
em28xx_shutdown_buttons(dev);
/* skip detach on non attached boards */