33 	unsigned int		*levels;  member
94 	if (pb->levels)  in compute_duty_cycle()
95 		duty_cycle = pb->levels[brightness];  in compute_duty_cycle()
206 	 * Once we have 4096 levels there's little point going much higher...  in pwm_backlight_brightness_default()
213 	data->levels = devm_kcalloc(dev, data->max_brightness,  in pwm_backlight_brightness_default()
214 				    sizeof(*data->levels), GFP_KERNEL);  in pwm_backlight_brightness_default()
215 	if (!data->levels)  in pwm_backlight_brightness_default()
226 		data->levels[i] = (unsigned int)retval;  in pwm_backlight_brightness_default()
264 	 * Determine the number of brightness levels, if this property is not  in pwm_backlight_parse_dt()
265 	 * set a default table of brightness levels will be used.  in pwm_backlight_parse_dt()
267 	prop = of_find_property(node, "brightness-levels", &length);  in pwm_backlight_parse_dt()
273 	/* read brightness levels from DT property */  in pwm_backlight_parse_dt()
275 		size_t size = sizeof(*data->levels) * data->max_brightness;  in pwm_backlight_parse_dt()
278 		data->levels = devm_kzalloc(dev, size, GFP_KERNEL);  in pwm_backlight_parse_dt()
279 		if (!data->levels)  in pwm_backlight_parse_dt()
282 		ret = of_property_read_u32_array(node, "brightness-levels",  in pwm_backlight_parse_dt()
283 						 data->levels,  in pwm_backlight_parse_dt()
297 		 * interpolation between each of the values of brightness levels  in pwm_backlight_parse_dt()
305 		 * brightness-levels table, otherwise we can't interpolate  in pwm_backlight_parse_dt()
315 			 * Recalculate the number of brightness levels, now  in pwm_backlight_parse_dt()
317 			 * steps between two levels.  in pwm_backlight_parse_dt()
320 				if ((data->levels[i + 1] - data->levels[i]) /  in pwm_backlight_parse_dt()
327 			dev_dbg(dev, "new number of brightness levels: %d\n",  in pwm_backlight_parse_dt()
331 			 * Create a new table of brightness levels with all the  in pwm_backlight_parse_dt()
342 				value = data->levels[i];  in pwm_backlight_parse_dt()
343 				n = (data->levels[i + 1] - value) / num_steps;  in pwm_backlight_parse_dt()
351 					table[levels_count] = data->levels[i];  in pwm_backlight_parse_dt()
355 			table[levels_count] = data->levels[i];  in pwm_backlight_parse_dt()
359 			 * brightness levels table and replace for the  in pwm_backlight_parse_dt()
362 			devm_kfree(dev, data->levels);  in pwm_backlight_parse_dt()
363 			data->levels = table;  in pwm_backlight_parse_dt()
367 			 * of brightness levels.  in pwm_backlight_parse_dt()
531 	if (!data->levels) {  in pwm_backlight_probe()
545 		if (data->levels[i] > pb->scale)  in pwm_backlight_probe()
546 			pb->scale = data->levels[i];  in pwm_backlight_probe()
548 		pb->levels = data->levels;  in pwm_backlight_probe()