Commit ff4f80fd authored by Mats Randgaard's avatar Mats Randgaard Committed by Mauro Carvalho Chehab
Browse files

[media] adv7604: return immediately if the new input is equal to what is configured 



Signed-off-by: default avatarMats Randgaard <matrandg@cisco.com>
Signed-off-by: default avatarHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: default avatarMauro Carvalho Chehab <m.chehab@samsung.com>
parent 94b13013

drivers/media/i2c/adv7604.c

+8 −1
Original line number Diff line number Diff line
@@ -1479,7 +1479,11 @@ static int adv7604_s_routing(struct v4l2_subdev *sd, 
{

	struct adv7604_state *state = to_state(sd);



	v4l2_dbg(2, debug, sd, "%s: input %d", __func__, input);

	v4l2_dbg(2, debug, sd, "%s: input %d, selected input %d",

			__func__, input, state->selected_input);



	if (input == state->selected_input)

		return 0;



	state->selected_input = input;
@@ -1524,6 +1528,8 @@ static int adv7604_isr(struct v4l2_subdev *sd, u32 status, bool *handled) 
	u8 fmt_change, fmt_change_digital, tx_5v;

	u32 input_status;



	v4l2_dbg(2, debug, sd, "%s: ", __func__);



	/* format change */

	fmt_change = io_read(sd, 0x43) & 0x98;

	if (fmt_change)
@@ -2124,6 +2130,7 @@ static int adv7604_probe(struct i2c_client *client, 
	/* initialize variables */

	state->restart_stdi_once = true;

	state->prev_input_status = ~0;

	state->selected_input = ~0;



	/* platform data */

	if (!pdata) {