if (led_dat->active_low)
level = !level;
- /* setting GPIOs with I2C/etc requires a preemptible task context */
+ /* Setting GPIOs with I2C/etc requires a task context, and we don't
+ * seem to have a reliable way to know if we're already in one; so
+ * let's just assume the worst.
+ */
if (led_dat->can_sleep) {
- if (preempt_count()) {
- led_dat->new_level = level;
- schedule_work(&led_dat->work);
- } else
- gpio_set_value_cansleep(led_dat->gpio, level);
+ led_dat->new_level = level;
+ schedule_work(&led_dat->work);
} else
gpio_set_value(led_dat->gpio, level);
}
cur_led = &pdata->leds[i];
led_dat = &leds_data[i];
+ ret = gpio_request(cur_led->gpio, cur_led->name);
+ if (ret < 0)
+ goto err;
+
led_dat->cdev.name = cur_led->name;
led_dat->cdev.default_trigger = cur_led->default_trigger;
led_dat->gpio = cur_led->gpio;
led_dat->cdev.brightness_set = gpio_led_set;
led_dat->cdev.brightness = LED_OFF;
- ret = gpio_request(led_dat->gpio, led_dat->cdev.name);
- if (ret < 0)
- goto err;
-
gpio_direction_output(led_dat->gpio, led_dat->active_low);
INIT_WORK(&led_dat->work, gpio_led_work);