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leds: ipaq-micro: Implement brightness_set_blocking op

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Since brightness setting can sleep for this driver, implement
brightness_set_blocking op, instead of brightness_set.
It makes this driver compatible with LED triggers.

Signed-off-by: Jacek Anaszewski <j.anaszewski@samsung.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Jacek Anaszewski 2015-11-20 16:47:51 +01:00
parent 5a7c536f26
commit ba1c8179c3
1 changed files with 3 additions and 3 deletions
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6
drivers/leds/leds-ipaq-micro.c
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@ -20,7 +20,7 @@
#define LED_AUTOSTOP (1 << 5) /* LED ON/OFF auto stop set 0:disable, 1:enable */
#define LED_ALWAYS (1 << 6) /* LED Interrupt Mask 0:No mask, 1:mask */
static void micro_leds_brightness_set(struct led_classdev *led_cdev,
static int micro_leds_brightness_set(struct led_classdev *led_cdev,
enum led_brightness value)
{
struct ipaq_micro *micro = dev_get_drvdata(led_cdev->dev->parent->parent);
@ -50,7 +50,7 @@ static void micro_leds_brightness_set(struct led_classdev *led_cdev,
msg.tx_data[2] = 1;
msg.tx_data[3] = 0; /* Duty cycle 256 */
}
ipaq_micro_tx_msg_sync(micro, &msg);
return ipaq_micro_tx_msg_sync(micro, &msg);
}
/* Maximum duty cycle in ms 256/10 sec = 25600 ms */
@ -102,7 +102,7 @@ static int micro_leds_blink_set(struct led_classdev *led_cdev,
static struct led_classdev micro_led = {
.name = "led-ipaq-micro",
.brightness_set = micro_leds_brightness_set,
.brightness_set_blocking = micro_leds_brightness_set,
.blink_set = micro_leds_blink_set,
.flags = LED_CORE_SUSPENDRESUME,
};