summaryrefslogtreecommitdiff
path: root/linux/drivers/media/video/tea6420.c
diff options
context:
space:
mode:
Diffstat (limited to 'linux/drivers/media/video/tea6420.c')
-rw-r--r--linux/drivers/media/video/tea6420.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/linux/drivers/media/video/tea6420.c b/linux/drivers/media/video/tea6420.c
index 3d8bf1e18..63aa2caa9 100644
--- a/linux/drivers/media/video/tea6420.c
+++ b/linux/drivers/media/video/tea6420.c
@@ -142,6 +142,12 @@ static int tea6420_detect(struct i2c_adapter *adapter, int address, unsigned sho
static int tea6420_attach(struct i2c_adapter *adapter)
{
+ /* let's see whether this is a know adapter we can attach to */
+ if( adapter->id != I2C_ALGO_SAA7146 ) {
+ dprintk("tea6420.o: refusing to probe on unknown adapter [name='%s',id=0x%x]\n",adapter->name,adapter->id);
+ return -ENODEV;
+ }
+
return i2c_probe(adapter,&addr_data,&tea6420_detect);
}