[media] adv7604: Add LLC polarity configuration

Add an inv_llc_pol field to platform data to control the clock polarity.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: NHans Verkuil <hans.verkuil@cisco.com>
Reviewed-by: NSylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: NMauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/i2c/adv7604.c

@@ -2467,7 +2467,8 @@ static int adv7604_core_init(struct v4l2_subdev *sd)
 	cp_write(sd, 0x69, 0x30);   /* Enable CP CSC */
 
 	/* VS, HS polarities */
-	io_write(sd, 0x06, 0xa0 | pdata->inv_vs_pol << 2 | pdata->inv_hs_pol << 1);
+	io_write(sd, 0x06, 0xa0 | pdata->inv_vs_pol << 2 |
+		 pdata->inv_hs_pol << 1 | pdata->inv_llc_pol);
 
 	/* Adjust drive strength */
 	io_write(sd, 0x14, 0x40 | pdata->dr_str_data << 4 |

include/media/adv7604.h

@@ -131,6 +131,7 @@ struct adv7604_platform_data {
 	/* IO register 0x06 */
 	unsigned inv_vs_pol:1;
 	unsigned inv_hs_pol:1;
+	unsigned inv_llc_pol:1;
 
 	/* IO register 0x14 */
 	enum adv7604_drive_strength dr_str_data;