[PATCH v2] i2c: adv748x: afe: fix sparse warning

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This fixes the following sparse warning:

drivers/media/i2c/adv748x/adv748x-afe.c:294:34:    expected unsigned int [usertype] *signal
drivers/media/i2c/adv748x/adv748x-afe.c:294:34:    got int *<noident>
drivers/media/i2c/adv748x/adv748x-afe.c:294:34: warning: incorrect type in argument 2 (different signedness)

Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@xxxxxxxxxxxx>

---

* Changes since v1
- Use u32 instead of unsigned int as suggested by Geert.
---
 drivers/media/i2c/adv748x/adv748x-afe.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/media/i2c/adv748x/adv748x-afe.c b/drivers/media/i2c/adv748x/adv748x-afe.c
index 5188178588c9067d..61514bae7e5ceb42 100644
--- a/drivers/media/i2c/adv748x/adv748x-afe.c
+++ b/drivers/media/i2c/adv748x/adv748x-afe.c
@@ -275,7 +275,8 @@ static int adv748x_afe_s_stream(struct v4l2_subdev *sd, int enable)
 {
 	struct adv748x_afe *afe = adv748x_sd_to_afe(sd);
 	struct adv748x_state *state = adv748x_afe_to_state(afe);
-	int ret, signal = V4L2_IN_ST_NO_SIGNAL;
+	u32 signal = V4L2_IN_ST_NO_SIGNAL;
+	int ret;
 
 	mutex_lock(&state->mutex);
 
-- 
2.16.2




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