OpenE2K
/
linux
6
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

leds: netxbig: set led_classdev max_brightness 

This patch sets the led_classdev max_brightness to the maximum level
value supported by hardware. This allows to get rid of the brightness
conversion operation (from software [0:LED_FULL] to hardware ranges) in
brightness_set().

Signed-off-by: Simon Guinot <simon.guinot@sequanux.org>
Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
This commit is contained in:
Simon Guinot 2015-09-26 23:02:38 +02:00 committed by Jacek Anaszewski
parent cd0109555b
commit 7b9d9d8815
1 changed files with 4 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
drivers/leds/leds-netxbig.c
View File

@ -116,7 +116,6 @@ struct netxbig_led_data {
int mode_addr; int mode_addr;
int *mode_val; int *mode_val;
int bright_addr; int bright_addr;
int bright_max;
struct netxbig_led_timer *timer; struct netxbig_led_timer *timer;
int num_timer; int num_timer;
enum netxbig_led_mode mode; enum netxbig_led_mode mode;
@ -178,7 +177,7 @@ static void netxbig_led_set(struct led_classdev *led_cdev,
struct netxbig_led_data *led_dat = struct netxbig_led_data *led_dat =
container_of(led_cdev, struct netxbig_led_data, cdev); container_of(led_cdev, struct netxbig_led_data, cdev);
enum netxbig_led_mode mode; enum netxbig_led_mode mode;
int mode_val, bright_val; int mode_val;
int set_brightness = 1; int set_brightness = 1;
unsigned long flags; unsigned long flags;
@ -204,12 +203,9 @@ static void netxbig_led_set(struct led_classdev *led_cdev,
* SATA LEDs. So, change the brightness setting for a single * SATA LEDs. So, change the brightness setting for a single
* SATA LED will affect all the others. * SATA LED will affect all the others.
*/ */
if (set_brightness) { if (set_brightness)
bright_val = DIV_ROUND_UP(value * led_dat->bright_max,
LED_FULL);
gpio_ext_set_value(led_dat->gpio_ext, gpio_ext_set_value(led_dat->gpio_ext,
led_dat->bright_addr, bright_val); led_dat->bright_addr, value);
}
spin_unlock_irqrestore(&led_dat->lock, flags); spin_unlock_irqrestore(&led_dat->lock, flags);
} }
@ -306,11 +302,11 @@ static int create_netxbig_led(struct platform_device *pdev,
*/ */
led_dat->sata = 0; led_dat->sata = 0;
led_dat->cdev.brightness = LED_OFF; led_dat->cdev.brightness = LED_OFF;
led_dat->cdev.max_brightness = template->bright_max;
led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME;
led_dat->mode_addr = template->mode_addr; led_dat->mode_addr = template->mode_addr;
led_dat->mode_val = template->mode_val; led_dat->mode_val = template->mode_val;
led_dat->bright_addr = template->bright_addr; led_dat->bright_addr = template->bright_addr;
led_dat->bright_max = template->bright_max;
led_dat->timer = pdata->timer; led_dat->timer = pdata->timer;
led_dat->num_timer = pdata->num_timer; led_dat->num_timer = pdata->num_timer;
/* /*