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authorLiu Ying <Ying.Liu@freescale.com>2012-02-22 12:22:50 +0800
committerLiu Ying <Ying.Liu@freescale.com>2012-02-22 12:25:52 +0800
commitd8b3156f815ab4fbef7d58a41545df3314abf802 (patch)
tree4a005284ae2ef54bbdd89f0de1130f46f3d4c711 /arch/arm/mach-mx5
parent11c8a5c87de951dac4da9dbe6007fa5e1c883948 (diff)
ENGR00175085 MX53 SMD:PWM frequency change to workaround bl issueimx-android-r10.4
This patch changes PWM frequency from 20KHz to 22KHz to workaround unstable backlight issue when brightness is set to 253. Signed-off-by: Liu Ying <Ying.Liu@freescale.com>
Diffstat (limited to 'arch/arm/mach-mx5')
-rw-r--r--arch/arm/mach-mx5/mx53_smd.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/arm/mach-mx5/mx53_smd.c b/arch/arm/mach-mx5/mx53_smd.c
index 5e38ad5067ea..91ab89630887 100644
--- a/arch/arm/mach-mx5/mx53_smd.c
+++ b/arch/arm/mach-mx5/mx53_smd.c
@@ -1,5 +1,5 @@
/*
- * Copyright (C) 2010-2011 Freescale Semiconductor, Inc. All Rights Reserved.
+ * Copyright (C) 2010-2012 Freescale Semiconductor, Inc. All Rights Reserved.
*/
/*
@@ -500,7 +500,7 @@ static struct platform_pwm_backlight_data mxc_pwm_backlight_data = {
.pwm_id = 1,
.max_brightness = 255,
.dft_brightness = 128,
- .pwm_period_ns = 50000,
+ .pwm_period_ns = 45454,
};
extern void mx5_ipu_reset(void);