268 	struct rad_panel *rad = to_rad_panel(panel);  in rad_panel_prepare()  local
271 	if (rad->prepared)  in rad_panel_prepare()
274 	ret = regulator_bulk_enable(rad->num_supplies, rad->supplies);  in rad_panel_prepare()
278 	if (rad->reset) {  in rad_panel_prepare()
279 		gpiod_set_value_cansleep(rad->reset, 1);  in rad_panel_prepare()
281 		gpiod_set_value_cansleep(rad->reset, 0);  in rad_panel_prepare()
285 	rad->prepared = true;  in rad_panel_prepare()
292 	struct rad_panel *rad = to_rad_panel(panel);  in rad_panel_unprepare()  local
295 	if (!rad->prepared)  in rad_panel_unprepare()
303 	if (rad->reset) {  in rad_panel_unprepare()
304 		gpiod_set_value_cansleep(rad->reset, 1);  in rad_panel_unprepare()
306 		gpiod_set_value_cansleep(rad->reset, 0);  in rad_panel_unprepare()
309 	ret = regulator_bulk_disable(rad->num_supplies, rad->supplies);  in rad_panel_unprepare()
313 	rad->prepared = false;  in rad_panel_unprepare()
320 	struct rad_panel *rad = to_rad_panel(panel);  in rad_panel_enable()  local
321 	struct mipi_dsi_device *dsi = rad->dsi;  in rad_panel_enable()
326 	if (rad->enabled)  in rad_panel_enable()
392 	backlight_enable(rad->backlight);  in rad_panel_enable()
394 	rad->enabled = true;  in rad_panel_enable()
399 	gpiod_set_value_cansleep(rad->reset, 1);  in rad_panel_enable()
406 	struct rad_panel *rad = to_rad_panel(panel);  in rad_panel_disable()  local
407 	struct mipi_dsi_device *dsi = rad->dsi;  in rad_panel_disable()
411 	if (!rad->enabled)  in rad_panel_disable()
416 	backlight_disable(rad->backlight);  in rad_panel_disable()
434 	rad->enabled = false;  in rad_panel_disable()
469 	struct rad_panel *rad = mipi_dsi_get_drvdata(dsi);  in rad_bl_get_brightness()  local
473 	if (!rad->prepared)  in rad_bl_get_brightness()
490 	struct rad_panel *rad = mipi_dsi_get_drvdata(dsi);  in rad_bl_update_status()  local
493 	if (!rad->prepared)  in rad_bl_update_status()
523 static int rad_init_regulators(struct rad_panel *rad)  in rad_init_regulators()  argument
525 	struct device *dev = &rad->dsi->dev;  in rad_init_regulators()
528 	rad->num_supplies = ARRAY_SIZE(rad_supply_names);  in rad_init_regulators()
529 	rad->supplies = devm_kcalloc(dev, rad->num_supplies,  in rad_init_regulators()
530 				     sizeof(*rad->supplies), GFP_KERNEL);  in rad_init_regulators()
531 	if (!rad->supplies)  in rad_init_regulators()
534 	for (i = 0; i < rad->num_supplies; i++)  in rad_init_regulators()
535 		rad->supplies[i].supply = rad_supply_names[i];  in rad_init_regulators()
537 	return devm_regulator_bulk_get(dev, rad->num_supplies, rad->supplies);  in rad_init_regulators()
627 	struct rad_panel *rad = mipi_dsi_get_drvdata(dsi);  in rad_panel_remove()  local
636 	drm_panel_remove(&rad->panel);  in rad_panel_remove()
643 	struct rad_panel *rad = mipi_dsi_get_drvdata(dsi);  in rad_panel_shutdown()  local
645 	rad_panel_disable(&rad->panel);  in rad_panel_shutdown()
646 	rad_panel_unprepare(&rad->panel);  in rad_panel_shutdown()