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| author | Marek Vasut <marek.vasut@gmail.com> | 2011-01-15 19:55:45 +0300 |
|---|---|---|
| committer | Eric Miao <eric.y.miao@gmail.com> | 2011-03-16 11:32:45 +0300 |
| commit | 7428fff20494935b4ce767d7c80de077e8d1d745 (patch) | |
| tree | 38be66ed7f8f2bb920211c3715098117a9a60d9f /arch/arm/mach-pxa/palmte2.c | |
| parent | a5abba989deceb731047425812d268daf7536575 (diff) | |
| download | linux-7428fff20494935b4ce767d7c80de077e8d1d745.tar.xz | |
ARM: pxa: PalmTE2: Use gpio arrays in backlight init
Use gpio_request_array() / gpio_free_array() in backlight init and exit
functions. This makes the code cleaner and less error prone.
Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Diffstat (limited to 'arch/arm/mach-pxa/palmte2.c')
| -rw-r--r-- | arch/arm/mach-pxa/palmte2.c | 31 |
1 files changed, 7 insertions, 24 deletions
diff --git a/arch/arm/mach-pxa/palmte2.c b/arch/arm/mach-pxa/palmte2.c index 3f25014a136c..66311c7cf37a 100644 --- a/arch/arm/mach-pxa/palmte2.c +++ b/arch/arm/mach-pxa/palmte2.c @@ -136,30 +136,14 @@ static struct platform_device palmte2_pxa_keys = { /****************************************************************************** * Backlight ******************************************************************************/ +static struct gpio palmte_bl_gpios[] = { + { GPIO_NR_PALMTE2_BL_POWER, GPIOF_INIT_LOW, "Backlight power" }, + { GPIO_NR_PALMTE2_LCD_POWER, GPIOF_INIT_LOW, "LCD power" }, +}; + static int palmte2_backlight_init(struct device *dev) { - int ret; - - ret = gpio_request(GPIO_NR_PALMTE2_BL_POWER, "BL POWER"); - if (ret) - goto err; - ret = gpio_direction_output(GPIO_NR_PALMTE2_BL_POWER, 0); - if (ret) - goto err2; - ret = gpio_request(GPIO_NR_PALMTE2_LCD_POWER, "LCD POWER"); - if (ret) - goto err2; - ret = gpio_direction_output(GPIO_NR_PALMTE2_LCD_POWER, 0); - if (ret) - goto err3; - - return 0; -err3: - gpio_free(GPIO_NR_PALMTE2_LCD_POWER); -err2: - gpio_free(GPIO_NR_PALMTE2_BL_POWER); -err: - return ret; + return gpio_request_array(ARRAY_AND_SIZE(palmte_bl_gpios)); } static int palmte2_backlight_notify(struct device *dev, int brightness) @@ -171,8 +155,7 @@ static int palmte2_backlight_notify(struct device *dev, int brightness) static void palmte2_backlight_exit(struct device *dev) { - gpio_free(GPIO_NR_PALMTE2_BL_POWER); - gpio_free(GPIO_NR_PALMTE2_LCD_POWER); + gpio_free_array(ARRAY_AND_SIZE(palmte_bl_gpios)); } static struct platform_pwm_backlight_data palmte2_backlight_data = { |