media: i2c: adv748x: Remove PAGE_WAIT

The ADV748X_PAGE_WAIT is a fake page to insert arbitrary delays in the
register tables.

Its only usage was removed, so we can remove the handling and simplify
the code.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>

drivers/media/i2c/adv748x/adv748x-core.c

@@ -218,21 +218,14 @@ static int adv748x_write_regs(struct adv748x_state *state,
 {
 	int ret;
 
-	while (regs->page != ADV748X_PAGE_EOR) {
-		if (regs->page == ADV748X_PAGE_WAIT) {
-			msleep(regs->value);
-		} else {
-			ret = adv748x_write(state, regs->page, regs->reg,
-				      regs->value);
+	for (; regs->page != ADV748X_PAGE_EOR; regs++) {
+		ret = adv748x_write(state, regs->page, regs->reg, regs->value);
 		if (ret < 0) {
-				adv_err(state,
-					"Error regs page: 0x%02x reg: 0x%02x\n",
+			adv_err(state, "Error regs page: 0x%02x reg: 0x%02x\n",
 				regs->page, regs->reg);
 			return ret;
 		}
 	}
-		regs++;
-	}
 
 	return 0;
 }

drivers/media/i2c/adv748x/adv748x.h

@@ -39,7 +39,6 @@ enum adv748x_page {
 	ADV748X_PAGE_MAX,
 
 	/* Fake pages for register sequences */
-	ADV748X_PAGE_WAIT,		/* Wait x msec */
 	ADV748X_PAGE_EOR,		/* End Mark */
 };