28 module_param_named(brightness, appletb_bl_def_brightness, int, 0444);
29 MODULE_PARM_DESC(brightness, "Default brightness:\n"
31 			 "    1 - Dim brightness\n"
32 			 "    [2] - Full brightness");
47 static int appletb_bl_set_brightness(struct appletb_bl *bl, u8 brightness)  in appletb_bl_set_brightness()  argument
59 	ret = hid_set_field(bl->brightness_field, 0, brightness);  in appletb_bl_set_brightness()
61 		hid_err(hdev, "Failed to set brightness field (%pe)\n", ERR_PTR(ret));  in appletb_bl_set_brightness()
77 	if (brightness == APPLETB_BL_OFF) {  in appletb_bl_set_brightness()
88 	u8 brightness;  in appletb_bl_update_status()  local
91 		brightness = APPLETB_BL_OFF;  in appletb_bl_update_status()
93 		brightness = appletb_bl_brightness_map[backlight_get_brightness(bdev)];  in appletb_bl_update_status()
95 	return appletb_bl_set_brightness(bl, brightness);  in appletb_bl_update_status()
148 		dev_err_probe(dev, ret, "Failed to set default touch bar brightness to %d\n",  in appletb_bl_probe()
187 	/* MacBook Pro's 2018, 2019, with T2 chip: iBridge DFR Brightness */