V4L/DVB: tea6415c: return -EIO if i2c_check_functionality fails

Commit Message

axel lin Nov. 1, 2010, 9:25 a.m. UTC

None

Patch

diff --git a/drivers/media/video/tea6415c.c b/drivers/media/video/tea6415c.c
index 3e99cea..19621ed 100644
--- a/drivers/media/video/tea6415c.c
+++ b/drivers/media/video/tea6415c.c
@@ -148,7 +148,7 @@  static int tea6415c_probe(struct i2c_client *client,
 
 	/* let's see whether this adapter can support what we need */
 	if (!i2c_check_functionality(client->adapter, I2C_FUNC_SMBUS_WRITE_BYTE))
-		return 0;
+		return -EIO;
 
 	v4l_info(client, "chip found @ 0x%x (%s)\n",
 			client->addr << 1, client->adapter->name);