Lines Matching +full:lcd +full:- +full:backlight

1 // SPDX-License-Identifier: GPL-2.0+
5  * Copyright (C) 2010-2011 Intel Corporation
13  * 1. registers itself in the Linux backlight control in
14  *    /sys/class/backlight/intel_oaktrail/
28 #include <linux/backlight.h>
64  * This is the address in EC space and commands used to control LCD backlight:
66  * Two steps needed to change the LCD backlight:
67  *   1. write the backlight percentage into OT_EC_BL_BRIGHTNESS_ADDRESS;
70  * To read the LCD back light, just read out the value from
73  * LCD backlight brightness range: 0 - 100 (OT_EC_BL_BRIGHTNESS_MAX)
123 	rfkill_dev = rfkill_alloc(name, &oaktrail_device->dev, type,  in oaktrail_rfkill_new()
126 		return ERR_PTR(-ENOMEM);  in oaktrail_rfkill_new()
160 	wifi_rfkill = oaktrail_rfkill_new("oaktrail-wifi",  in oaktrail_rfkill_init()
169 	bt_rfkill = oaktrail_rfkill_new("oaktrail-bluetooth",  in oaktrail_rfkill_init()
178 	gps_rfkill = oaktrail_rfkill_new("oaktrail-gps",  in oaktrail_rfkill_init()
187 	wwan_rfkill = oaktrail_rfkill_new("oaktrail-wwan",  in oaktrail_rfkill_init()
204 /* backlight */
215 	u8 percent = (u8) b->props.brightness;  in set_backlight_brightness()
217 		return -EINVAL;  in set_backlight_brightness()
239 				       &oaktrail_device->dev, NULL,  in oaktrail_backlight_init()
245 		pr_warn("Unable to register backlight device\n");  in oaktrail_backlight_init()
251 	bd->props.brightness = get_backlight_brightness(bd);  in oaktrail_backlight_init()
252 	bd->props.power = BACKLIGHT_POWER_ON;  in oaktrail_backlight_init()
277 	pr_info("Identified model '%s'\n", id->ident);  in dmi_check_cb()
299 		return -ENODEV;  in oaktrail_init()
303 		pr_err("Platform not recognized (You could try the module's force-parameter)");  in oaktrail_init()
304 		return -ENODEV;  in oaktrail_init()
316 		ret = -ENOMEM;  in oaktrail_init()