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Commit 803bb384 authored by Andrew Lunn's avatar Andrew Lunn Committed by Jacek Anaszewski
Browse files

leds: da903x: Remove work queue 



Now the core implements the work queue, remove it from the drivers,
and switch to using brightness_set_blocking op.

Signed-off-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarJacek Anaszewski <j.anaszewski@samsung.com>
parent f633a512

drivers/leds/leds-da903x.c

+18 −28
Original line number Diff line number Diff line
@@ -16,7 +16,6 @@ 
#include <linux/kernel.h>

#include <linux/platform_device.h>

#include <linux/leds.h>

#include <linux/workqueue.h>

#include <linux/mfd/da903x.h>

#include <linux/slab.h>
@@ -33,9 +32,7 @@ 


struct da903x_led {

	struct led_classdev	cdev;

	struct work_struct	work;

	struct device		*master;

	enum led_brightness	new_brightness;

	int			id;

	int			flags;

};
@@ -43,11 +40,13 @@ struct da903x_led { 
#define DA9030_LED_OFFSET(id)	((id) - DA9030_ID_LED_1)

#define DA9034_LED_OFFSET(id)	((id) - DA9034_ID_LED_1)



static void da903x_led_work(struct work_struct *work)

static int da903x_led_set(struct led_classdev *led_cdev,

			   enum led_brightness value)

{

	struct da903x_led *led = container_of(work, struct da903x_led, work);

	struct da903x_led *led =

			container_of(led_cdev, struct da903x_led, cdev);

	uint8_t val;

	int offset;

	int offset, ret = -EINVAL;



	switch (led->id) {

	case DA9030_ID_LED_1:
@@ -57,37 +56,31 @@ static void da903x_led_work(struct work_struct *work) 
	case DA9030_ID_LED_PC:

		offset = DA9030_LED_OFFSET(led->id);

		val = led->flags & ~0x87;

		val |= (led->new_brightness) ? 0x80 : 0; /* EN bit */

		val |= (0x7 - (led->new_brightness >> 5)) & 0x7; /* PWM<2:0> */

		da903x_write(led->master, DA9030_LED1_CONTROL + offset, val);

		val |= value ? 0x80 : 0; /* EN bit */

		val |= (0x7 - (value >> 5)) & 0x7; /* PWM<2:0> */

		ret = da903x_write(led->master, DA9030_LED1_CONTROL + offset,

				   val);

		break;

	case DA9030_ID_VIBRA:

		val = led->flags & ~0x80;

		val |= (led->new_brightness) ? 0x80 : 0; /* EN bit */

		da903x_write(led->master, DA9030_MISC_CONTROL_A, val);

		val |= value ? 0x80 : 0; /* EN bit */

		ret = da903x_write(led->master, DA9030_MISC_CONTROL_A, val);

		break;

	case DA9034_ID_LED_1:

	case DA9034_ID_LED_2:

		offset = DA9034_LED_OFFSET(led->id);

		val = (led->new_brightness * 0x5f / LED_FULL) & 0x7f;

		val = (value * 0x5f / LED_FULL) & 0x7f;

		val |= (led->flags & DA9034_LED_RAMP) ? 0x80 : 0;

		da903x_write(led->master, DA9034_LED1_CONTROL + offset, val);

		ret = da903x_write(led->master, DA9034_LED1_CONTROL + offset,

				   val);

		break;

	case DA9034_ID_VIBRA:

		val = led->new_brightness & 0xfe;

		da903x_write(led->master, DA9034_VIBRA, val);

		val = value & 0xfe;

		ret = da903x_write(led->master, DA9034_VIBRA, val);

		break;

	}

}



static void da903x_led_set(struct led_classdev *led_cdev,

			   enum led_brightness value)

{

	struct da903x_led *led;



	led = container_of(led_cdev, struct da903x_led, cdev);

	led->new_brightness = value;

	schedule_work(&led->work);

	return ret;

}



static int da903x_led_probe(struct platform_device *pdev)
@@ -113,15 +106,12 @@ static int da903x_led_probe(struct platform_device *pdev) 


	led->cdev.name = pdata->name;

	led->cdev.default_trigger = pdata->default_trigger;

	led->cdev.brightness_set = da903x_led_set;

	led->cdev.brightness_set_blocking = da903x_led_set;

	led->cdev.brightness = LED_OFF;



	led->id = id;

	led->flags = pdata->flags;

	led->master = pdev->dev.parent;

	led->new_brightness = LED_OFF;



	INIT_WORK(&led->work, da903x_led_work);



	ret = led_classdev_register(led->master, &led->cdev);

	if (ret) {