Lines Matching refs:backlight
29 #include <linux/backlight.h>
61 static struct backlight_device *backlight;
111 /* Instance 1 is "get backlight", cmp with DSDT */
114 pr_err("Could not query backlight: %d\n", err);
120 pr_debug("Current backlight level: 0x%X - index: %d\n",
138 /* Instance 0 is "set backlight" */
255 backlight = backlight_device_register(DRV_NAME, NULL, NULL,
258 if (IS_ERR(backlight)) {
259 err = PTR_ERR(backlight);
267 backlight->props.brightness = err;
274 backlight_device_unregister(backlight);
289 backlight_device_unregister(backlight);