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| author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
|---|---|---|
| committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-01-20 14:01:31 -0300 |
| commit | b4b7ff4b08e691656c9d77c758fc355833128ac0 (patch) | |
| tree | 82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /arch/arm/mach-pxa/mainstone.c | |
| parent | 35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff) | |
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'arch/arm/mach-pxa/mainstone.c')
| -rw-r--r-- | arch/arm/mach-pxa/mainstone.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c index 2c0658cf6..c3a87c176 100644 --- a/arch/arm/mach-pxa/mainstone.c +++ b/arch/arm/mach-pxa/mainstone.c @@ -26,6 +26,7 @@ #include <linux/mtd/partitions.h> #include <linux/input.h> #include <linux/gpio_keys.h> +#include <linux/pwm.h> #include <linux/pwm_backlight.h> #include <linux/smc91x.h> #include <linux/i2c/pxa-i2c.h> @@ -248,11 +249,14 @@ static struct platform_device mst_flash_device[2] = { }; #if defined(CONFIG_FB_PXA) || defined(CONFIG_FB_PXA_MODULE) +static struct pwm_lookup mainstone_pwm_lookup[] = { + PWM_LOOKUP("pxa27x-pwm.0", 0, "pwm-backlight.0", NULL, 78770, + PWM_POLARITY_NORMAL), +}; + static struct platform_pwm_backlight_data mainstone_backlight_data = { - .pwm_id = 0, .max_brightness = 1023, .dft_brightness = 1023, - .pwm_period_ns = 78770, .enable_gpio = -1, }; @@ -266,9 +270,16 @@ static struct platform_device mainstone_backlight_device = { static void __init mainstone_backlight_register(void) { - int ret = platform_device_register(&mainstone_backlight_device); - if (ret) + int ret; + + pwm_add_table(mainstone_pwm_lookup, ARRAY_SIZE(mainstone_pwm_lookup)); + + ret = platform_device_register(&mainstone_backlight_device); + if (ret) { printk(KERN_ERR "mainstone: failed to register backlight device: %d\n", ret); + pwm_remove_table(mainstone_pwm_lookup, + ARRAY_SIZE(mainstone_pwm_lookup)); + } } #else #define mainstone_backlight_register() do { } while (0) |