[media] tvp5150: signedness bug in tvp5150_selmux()

[Dan Carpenter <dan.carpenter@xxxxxxxxxx>]

tvp5150_read() returns negative error codes so this needs to be an int
for the error handling to work.

Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>

diff --git a/drivers/media/video/tvp5150.c b/drivers/media/video/tvp5150.c
index 0d897cb..a751b6c 100644
--- a/drivers/media/video/tvp5150.c
+++ b/drivers/media/video/tvp5150.c
@@ -257,7 +257,7 @@ static inline void tvp5150_selmux(struct v4l2_subdev *sd)
 	int opmode = 0;
 	struct tvp5150 *decoder = to_tvp5150(sd);
 	int input = 0;
-	unsigned char val;
+	int val;
 
 	if ((decoder->output & TVP5150_BLACK_SCREEN) || !decoder->enable)
 		input = 8;
--
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