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authorLiu Ying <b17645@freescale.com>2010-11-02 14:15:03 +0800
committerJustin Waters <justin.waters@timesys.com>2010-12-13 16:10:39 -0500
commit24afa27b29e7fc0357bc7426a93342d8bbc82d8d (patch)
tree041f3feaef35adbe02559cf11cad337c92895701 /arch
parent472d378e16ccee77fedc691bf80f3a9200488e67 (diff)
ENGR00133261 MX53 EVK:Correct PWM backlight frequency
This patch sets CLAA WVGA LCD panel's PWM backlight frequency to be 19.9KHz, which meets the LCD data sheet's requirement. The change can get rid of high frequency howling on some LCD panels. Signed-off-by: Liu Ying <b17645@freescale.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/arm/mach-mx5/mx53_evk.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/mach-mx5/mx53_evk.c b/arch/arm/mach-mx5/mx53_evk.c
index 7a07ccd25444..cf5fb6530a92 100644
--- a/arch/arm/mach-mx5/mx53_evk.c
+++ b/arch/arm/mach-mx5/mx53_evk.c
@@ -511,7 +511,7 @@ static struct platform_pwm_backlight_data mxc_pwm_backlight_data = {
.pwm_id = 1,
.max_brightness = 255,
.dft_brightness = 128,
- .pwm_period_ns = 78770,
+ .pwm_period_ns = 50000,
};
static void flexcan_xcvr_enable(int id, int en)