From 22ee3ba611e0aa73228ae64fa68d89c52367702a Mon Sep 17 00:00:00 2001 From: Magnus Damm Date: Wed, 22 Oct 2008 18:25:39 +0900 Subject: [PATCH] sh: use 10MHz VIO_CLK for ov772x on Migo-R Use a slower VIO_CKO clock frequency for the ov772x on Migo-R. This improves the camera picture quality on Panel Board V2.1. Signed-off-by: Magnus Damm Signed-off-by: Paul Mundt --- arch/sh/boards/mach-migor/setup.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c index b4471931b877..975281980299 100644 --- a/arch/sh/boards/mach-migor/setup.c +++ b/arch/sh/boards/mach-migor/setup.c @@ -288,8 +288,11 @@ static struct clk *camera_clk; static void camera_power_on(void) { + /* Use 10 MHz VIO_CKO instead of 24 MHz to work + * around signal quality issues on Panel Board V2.1. + */ camera_clk = clk_get(NULL, "video_clk"); - clk_set_rate(camera_clk, 24000000); + clk_set_rate(camera_clk, 10000000); clk_enable(camera_clk); /* start VIO_CKO */ /* use VIO_RST to take camera out of reset */ -- 2.39.5