diff options
| author | Simon Guinot <simon.guinot@sequanux.org> | 2015-09-27 00:02:38 +0300 |
|---|---|---|
| committer | Jacek Anaszewski <j.anaszewski@samsung.com> | 2015-11-03 10:59:36 +0300 |
| commit | 7b9d9d88158e99a6a17a292ec4ec47105a771c4f (patch) | |
| tree | d4a06aab358515b0601f565113334c7f40187165 /drivers/leds | |
| parent | cd0109555bd118ddb8ee0df0ca5d8f9bd3d7a77f (diff) | |
| download | linux-7b9d9d88158e99a6a17a292ec4ec47105a771c4f.tar.xz | |
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>
Diffstat (limited to 'drivers/leds')
| -rw-r--r-- | drivers/leds/leds-netxbig.c | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/drivers/leds/leds-netxbig.c b/drivers/leds/leds-netxbig.c index b166fd9f4186..4b88b93244be 100644 --- a/drivers/leds/leds-netxbig.c +++ b/drivers/leds/leds-netxbig.c @@ -116,7 +116,6 @@ struct netxbig_led_data { int mode_addr; int *mode_val; int bright_addr; - int bright_max; struct netxbig_led_timer *timer; int num_timer; 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 = container_of(led_cdev, struct netxbig_led_data, cdev); enum netxbig_led_mode mode; - int mode_val, bright_val; + int mode_val; int set_brightness = 1; 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 LED will affect all the others. */ - if (set_brightness) { - bright_val = DIV_ROUND_UP(value * led_dat->bright_max, - LED_FULL); + if (set_brightness) 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); } @@ -306,11 +302,11 @@ static int create_netxbig_led(struct platform_device *pdev, */ led_dat->sata = 0; led_dat->cdev.brightness = LED_OFF; + led_dat->cdev.max_brightness = template->bright_max; led_dat->cdev.flags |= LED_CORE_SUSPENDRESUME; led_dat->mode_addr = template->mode_addr; led_dat->mode_val = template->mode_val; led_dat->bright_addr = template->bright_addr; - led_dat->bright_max = template->bright_max; led_dat->timer = pdata->timer; led_dat->num_timer = pdata->num_timer; /* |