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ARM: SAMSUNG: Initialize PWM backlight enable_gpio field

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The GPIO API defines 0 as being a valid GPIO number, so this field needs
to be initialized explicitly.

Signed-off-by: Thierry Reding <treding@nvidia.com>
This commit is contained in:
Thierry Reding 2013-08-30 12:19:52 +02:00 committed by Thierry Reding
parent db01120c5f
commit a63652f1a7
11 changed files with 15 additions and 0 deletions
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1
arch/arm/mach-s3c24xx/mach-h1940.c
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@ -504,6 +504,7 @@ static struct platform_pwm_backlight_data backlight_data = {
.dft_brightness = 50,
/* tcnt = 0x31 */
.pwm_period_ns = 36296,
.enable_gpio = -1,
.init = h1940_backlight_init,
.notify = h1940_backlight_notify,
.exit = h1940_backlight_exit,

1
arch/arm/mach-s3c24xx/mach-rx1950.c
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@ -522,6 +522,7 @@ static struct platform_pwm_backlight_data rx1950_backlight_data = {
.max_brightness = 24,
.dft_brightness = 4,
.pwm_period_ns = 48000,
.enable_gpio = -1,
.init = rx1950_backlight_init,
.notify = rx1950_backlight_notify,
.exit = rx1950_backlight_exit,

1
arch/arm/mach-s3c64xx/mach-crag6410.c
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@ -114,6 +114,7 @@ static struct platform_pwm_backlight_data crag6410_backlight_data = {
.max_brightness = 1000,
.dft_brightness = 600,
.pwm_period_ns = 100000, /* about 1kHz */
.enable_gpio = -1,
};
static struct platform_device crag6410_backlight_device = {

1
arch/arm/mach-s3c64xx/mach-hmt.c
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@ -114,6 +114,7 @@ static struct platform_pwm_backlight_data hmt_backlight_data = {
.max_brightness = 100 * 256,
.dft_brightness = 40 * 256,
.pwm_period_ns = 1000000000 / (100 * 256 * 20),
.enable_gpio = -1,
.init = hmt_bl_init,
.notify = hmt_bl_notify,
.exit = hmt_bl_exit,

1
arch/arm/mach-s3c64xx/mach-smartq.c
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@ -151,6 +151,7 @@ static struct platform_pwm_backlight_data smartq_backlight_data = {
.max_brightness = 1000,
.dft_brightness = 600,
.pwm_period_ns = 1000000000 / (1000 * 20),
.enable_gpio = -1,
.init = smartq_bl_init,
};

1
arch/arm/mach-s3c64xx/mach-smdk6410.c
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@ -625,6 +625,7 @@ static struct samsung_bl_gpio_info smdk6410_bl_gpio_info = {
static struct platform_pwm_backlight_data smdk6410_bl_data = {
.pwm_id = 1,
.enable_gpio = -1,
};
static struct s3c_hsotg_plat smdk6410_hsotg_pdata;

1
arch/arm/mach-s5p64x0/mach-smdk6440.c
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@ -223,6 +223,7 @@ static struct samsung_bl_gpio_info smdk6440_bl_gpio_info = {
static struct platform_pwm_backlight_data smdk6440_bl_data = {
.pwm_id = 1,
.enable_gpio = -1,
};
static void __init smdk6440_map_io(void)

1
arch/arm/mach-s5p64x0/mach-smdk6450.c
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@ -242,6 +242,7 @@ static struct samsung_bl_gpio_info smdk6450_bl_gpio_info = {
static struct platform_pwm_backlight_data smdk6450_bl_data = {
.pwm_id = 1,
.enable_gpio = -1,
};
static void __init smdk6450_map_io(void)

1
arch/arm/mach-s5pc100/mach-smdkc100.c
View File

@ -216,6 +216,7 @@ static struct samsung_bl_gpio_info smdkc100_bl_gpio_info = {
static struct platform_pwm_backlight_data smdkc100_bl_data = {
.pwm_id = 0,
.enable_gpio = -1,
};
static void __init smdkc100_map_io(void)

1
arch/arm/mach-s5pv210/mach-smdkv210.c
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@ -279,6 +279,7 @@ static struct samsung_bl_gpio_info smdkv210_bl_gpio_info = {
static struct platform_pwm_backlight_data smdkv210_bl_data = {
.pwm_id = 3,
.pwm_period_ns = 1000,
.enable_gpio = -1,
};
static void __init smdkv210_map_io(void)

5
arch/arm/plat-samsung/dev-backlight.c
View File

@ -70,6 +70,7 @@ static struct samsung_bl_drvdata samsung_dfl_bl_data __initdata = {
.max_brightness = 255,
.dft_brightness = 255,
.pwm_period_ns = 78770,
.enable_gpio = -1,
.init = samsung_bl_init,
.exit = samsung_bl_exit,
},
@ -121,6 +122,10 @@ void __init samsung_bl_set(struct samsung_bl_gpio_info *gpio_info,
samsung_bl_data->lth_brightness = bl_data->lth_brightness;
if (bl_data->pwm_period_ns)
samsung_bl_data->pwm_period_ns = bl_data->pwm_period_ns;
if (bl_data->enable_gpio >= 0)
samsung_bl_data->enable_gpio = bl_data->enable_gpio;
if (bl_data->enable_gpio_flags)
samsung_bl_data->enable_gpio_flags = bl_data->enable_gpio_flags;
if (bl_data->init)
samsung_bl_data->init = bl_data->init;
if (bl_data->notify)