V4L/DVB (7902): fix handling of tea5761_autodetection return value

tea5761_autodetection returns -EINVAL on error

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/common/tuners/tea5761.c b/drivers/media/common/tuners/tea5761.c
index b93cdef..b23dade 100644
--- a/drivers/media/common/tuners/tea5761.c
+++ b/drivers/media/common/tuners/tea5761.c
@@ -295,7 +295,7 @@
 {
 	struct tea5761_priv *priv = NULL;
 
-	if (tea5761_autodetection(i2c_adap, i2c_addr) == EINVAL)
+	if (tea5761_autodetection(i2c_adap, i2c_addr) != 0)
 		return NULL;
 
 	priv = kzalloc(sizeof(struct tea5761_priv), GFP_KERNEL);