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Subject[PATCH 05/10] ARM: SAMSUNG: Initialize PWM backlight enable_gpio field
Date
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>
---
arch/arm/mach-s3c24xx/mach-h1940.c | 1 +
arch/arm/mach-s3c24xx/mach-rx1950.c | 1 +
arch/arm/mach-s3c64xx/mach-crag6410.c | 1 +
arch/arm/mach-s3c64xx/mach-hmt.c | 1 +
arch/arm/mach-s3c64xx/mach-smartq.c | 1 +
arch/arm/mach-s3c64xx/mach-smdk6410.c | 1 +
arch/arm/mach-s5p64x0/mach-smdk6440.c | 1 +
arch/arm/mach-s5p64x0/mach-smdk6450.c | 1 +
arch/arm/mach-s5pc100/mach-smdkc100.c | 1 +
arch/arm/mach-s5pv210/mach-smdkv210.c | 1 +
arch/arm/plat-samsung/dev-backlight.c | 5 +++++
11 files changed, 15 insertions(+)

diff --git a/arch/arm/mach-s3c24xx/mach-h1940.c b/arch/arm/mach-s3c24xx/mach-h1940.c
index 74dd479..952b6a0 100644
--- a/arch/arm/mach-s3c24xx/mach-h1940.c
+++ b/arch/arm/mach-s3c24xx/mach-h1940.c
@@ -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,
diff --git a/arch/arm/mach-s3c24xx/mach-rx1950.c b/arch/arm/mach-s3c24xx/mach-rx1950.c
index 206b1f7..034b7fe 100644
--- a/arch/arm/mach-s3c24xx/mach-rx1950.c
+++ b/arch/arm/mach-s3c24xx/mach-rx1950.c
@@ -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,
diff --git a/arch/arm/mach-s3c64xx/mach-crag6410.c b/arch/arm/mach-s3c64xx/mach-crag6410.c
index 1a911df..b319bf9 100644
--- a/arch/arm/mach-s3c64xx/mach-crag6410.c
+++ b/arch/arm/mach-s3c64xx/mach-crag6410.c
@@ -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 = {
diff --git a/arch/arm/mach-s3c64xx/mach-hmt.c b/arch/arm/mach-s3c64xx/mach-hmt.c
index e806404..614a03a 100644
--- a/arch/arm/mach-s3c64xx/mach-hmt.c
+++ b/arch/arm/mach-s3c64xx/mach-hmt.c
@@ -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,
diff --git a/arch/arm/mach-s3c64xx/mach-smartq.c b/arch/arm/mach-s3c64xx/mach-smartq.c
index 0f47237..a6b338f 100644
--- a/arch/arm/mach-s3c64xx/mach-smartq.c
+++ b/arch/arm/mach-s3c64xx/mach-smartq.c
@@ -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,
};

diff --git a/arch/arm/mach-s3c64xx/mach-smdk6410.c b/arch/arm/mach-s3c64xx/mach-smdk6410.c
index 2a7b32c..d5ea938 100644
--- a/arch/arm/mach-s3c64xx/mach-smdk6410.c
+++ b/arch/arm/mach-s3c64xx/mach-smdk6410.c
@@ -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;
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6440.c b/arch/arm/mach-s5p64x0/mach-smdk6440.c
index 0b00304..9efdcc0 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6440.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6440.c
@@ -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)
diff --git a/arch/arm/mach-s5p64x0/mach-smdk6450.c b/arch/arm/mach-s5p64x0/mach-smdk6450.c
index 5949296..c3cacc0 100644
--- a/arch/arm/mach-s5p64x0/mach-smdk6450.c
+++ b/arch/arm/mach-s5p64x0/mach-smdk6450.c
@@ -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)
diff --git a/arch/arm/mach-s5pc100/mach-smdkc100.c b/arch/arm/mach-s5pc100/mach-smdkc100.c
index 7c57a22..9e256b9 100644
--- a/arch/arm/mach-s5pc100/mach-smdkc100.c
+++ b/arch/arm/mach-s5pc100/mach-smdkc100.c
@@ -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)
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 6d72bb99..f52cc15 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -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)
diff --git a/arch/arm/plat-samsung/dev-backlight.c b/arch/arm/plat-samsung/dev-backlight.c
index d51f956..80e7450 100644
--- a/arch/arm/plat-samsung/dev-backlight.c
+++ b/arch/arm/plat-samsung/dev-backlight.c
@@ -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)
+ 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)
--
1.8.4


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