From 6ace15281cc7c8ab74d34ec392d02ed413685c47 Mon Sep 17 00:00:00 2001 From: Sean McNeil Date: Wed, 19 Nov 2008 17:11:00 +0000 Subject: clean-leds-remove-pwm-stuff.patch Remove unsued PWM stuff around LEDs. Signed-off-by: Sean McNeil --- drivers/leds/leds-neo1973-gta02.c | 56 ++------------------------------------- 1 file changed, 2 insertions(+), 54 deletions(-) (limited to 'drivers/leds') diff --git a/drivers/leds/leds-neo1973-gta02.c b/drivers/leds/leds-neo1973-gta02.c index 4b8687d0427..706f99fc6b3 100644 --- a/drivers/leds/leds-neo1973-gta02.c +++ b/drivers/leds/leds-neo1973-gta02.c @@ -17,7 +17,6 @@ #include #include #include -#include #include #include #include @@ -29,9 +28,7 @@ struct gta02_led_priv { spinlock_t lock; struct led_classdev cdev; - struct s3c2410_pwm pwm; unsigned int gpio; - unsigned int has_pwm; }; struct gta02_led_bundle @@ -56,19 +53,8 @@ static void gta02led_set(struct led_classdev *led_cdev, unsigned long flags; struct gta02_led_priv *lp = to_priv(led_cdev); - /* - * value == 255 -> 99% duty cycle (full power) - * value == 128 -> 50% duty cycle (medium power) - * value == 0 -> 0% duty cycle (zero power) - */ spin_lock_irqsave(&lp->lock, flags); - - if (lp->has_pwm) { - s3c2410_pwm_duty_cycle(value, &lp->pwm); - } else { - neo1973_gpb_setpin(lp->gpio, value ? 1 : 0); - } - + neo1973_gpb_setpin(lp->gpio, value ? 1 : 0); spin_unlock_irqrestore(&lp->lock, flags); } @@ -128,42 +114,8 @@ static int __init gta02led_probe(struct platform_device *pdev) switch (lp->gpio) { case S3C2410_GPB0: - lp->has_pwm = 1; - lp->pwm.timerid = PWM0; - s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB0_TOUT0); - break; case S3C2410_GPB1: - lp->has_pwm = 1; - lp->pwm.timerid = PWM1; - s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB1_TOUT1); - break; case S3C2410_GPB2: - lp->has_pwm = 1; - lp->pwm.timerid = PWM2; - s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB2_TOUT2); - break; - case S3C2410_GPB3: - lp->has_pwm = 1; - lp->pwm.timerid = PWM3; - s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPB3_TOUT3); - break; - default: - break; - } - - lp->pwm.prescaler = 0; - lp->pwm.divider = S3C2410_TCFG1_MUX3_DIV8; - lp->pwm.counter = COUNTER; - lp->pwm.comparer = COUNTER; - s3c2410_pwm_enable(&lp->pwm); - s3c2410_pwm_start(&lp->pwm); - - switch (lp->gpio) { - case S3C2410_GPB0: - case S3C2410_GPB1: - case S3C2410_GPB2: - case S3C2410_GPB3: - lp->has_pwm = 0; s3c2410_gpio_cfgpin(lp->gpio, S3C2410_GPIO_OUTPUT); neo1973_gpb_add_shadow_gpio(lp->gpio); break; @@ -187,11 +139,7 @@ static int gta02led_remove(struct platform_device *pdev) for (i = 0; i < bundle->num_leds; i++) { struct gta02_led_priv *lp = &bundle->led[i]; - if (lp->has_pwm) - s3c2410_pwm_disable(&lp->pwm); - else - gta02led_set(&lp->cdev, 0); - + gta02led_set(&lp->cdev, 0); led_classdev_unregister(&lp->cdev); } -- cgit v1.2.3