34 					  int brightness);
36 					int brightness);
77 static int compute_duty_cycle(struct pwm_bl_data *pb, int brightness, struct pwm_state *state)  in compute_duty_cycle()  argument
83 		duty_cycle = pb->levels[brightness];  in compute_duty_cycle()
85 		duty_cycle = brightness;  in compute_duty_cycle()
96 	int brightness = backlight_get_brightness(bl);  in pwm_backlight_update_status()  local
100 		brightness = pb->notify(pb->dev, brightness);  in pwm_backlight_update_status()
102 	if (brightness > 0) {  in pwm_backlight_update_status()
104 		state.duty_cycle = compute_duty_cycle(pb, brightness, &state);  in pwm_backlight_update_status()
127 		pb->notify_after(pb->dev, brightness);  in pwm_backlight_update_status()
189  * Create a default correction table for PWM values to create linear brightness
255 	 * Determine the number of brightness levels, if this property is not  in pwm_backlight_parse_dt()
256 	 * set a default table of brightness levels will be used.  in pwm_backlight_parse_dt()
258 	prop = of_find_property(node, "brightness-levels", &length);  in pwm_backlight_parse_dt()
264 	/* read brightness levels from DT property */  in pwm_backlight_parse_dt()
271 		ret = of_property_read_u32_array(node, "brightness-levels",  in pwm_backlight_parse_dt()
277 		ret = of_property_read_u32(node, "default-brightness-level",  in pwm_backlight_parse_dt()
286 		 * interpolation between each of the values of brightness levels  in pwm_backlight_parse_dt()
294 		 * brightness-levels table, otherwise we can't interpolate  in pwm_backlight_parse_dt()
310 			 * Recalculate the number of brightness levels, now  in pwm_backlight_parse_dt()
315 			dev_dbg(dev, "new number of brightness levels: %d\n",  in pwm_backlight_parse_dt()
319 			 * Create a new table of brightness levels with all the  in pwm_backlight_parse_dt()
348 			 * brightness levels table and replace for the  in pwm_backlight_parse_dt()
546 		 * For the DT case, only when brightness levels is defined  in pwm_backlight_probe()
560 		 * If no brightness levels are provided and max_brightness is  in pwm_backlight_probe()
561 		 * not set, use the default brightness table. For the DT case,  in pwm_backlight_probe()
562 		 * max_brightness is set to 0 when brightness levels is not  in pwm_backlight_probe()
574 				      "failed to setup default brightness table\n");  in pwm_backlight_probe()
609 			 "invalid default brightness level: %u, using %u\n",  in pwm_backlight_probe()
614 	bl->props.brightness = data->dft_brightness;  in pwm_backlight_probe()