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author | Liu Ying <Ying.Liu@freescale.com> | 2012-02-22 12:22:50 +0800 |
---|---|---|
committer | Liu Ying <Ying.Liu@freescale.com> | 2012-02-22 12:25:52 +0800 |
commit | d8b3156f815ab4fbef7d58a41545df3314abf802 (patch) | |
tree | 4a005284ae2ef54bbdd89f0de1130f46f3d4c711 | |
parent | 11c8a5c87de951dac4da9dbe6007fa5e1c883948 (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>
-rw-r--r-- | arch/arm/mach-mx5/mx53_smd.c | 4 |
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); |