185 	struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel);  in kingdisplay_panel_disable()  local
188 	if (!kingdisplay->enabled)  in kingdisplay_panel_disable()
191 	err = mipi_dsi_dcs_set_display_off(kingdisplay->link);  in kingdisplay_panel_disable()
195 	kingdisplay->enabled = false;  in kingdisplay_panel_disable()
202 	struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel);  in kingdisplay_panel_unprepare()  local
205 	if (!kingdisplay->prepared)  in kingdisplay_panel_unprepare()
208 	err = mipi_dsi_dcs_enter_sleep_mode(kingdisplay->link);  in kingdisplay_panel_unprepare()
217 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0);  in kingdisplay_panel_unprepare()
219 	err = regulator_disable(kingdisplay->supply);  in kingdisplay_panel_unprepare()
223 	kingdisplay->prepared = false;  in kingdisplay_panel_unprepare()
230 	struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel);  in kingdisplay_panel_prepare()  local
234 	if (kingdisplay->prepared)  in kingdisplay_panel_prepare()
237 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0);  in kingdisplay_panel_prepare()
239 	err = regulator_enable(kingdisplay->supply);  in kingdisplay_panel_prepare()
246 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 1);  in kingdisplay_panel_prepare()
252 		err = mipi_dsi_generic_write(kingdisplay->link, &init_code[i],  in kingdisplay_panel_prepare()
260 	err = mipi_dsi_dcs_exit_sleep_mode(kingdisplay->link);  in kingdisplay_panel_prepare()
269 	err = mipi_dsi_dcs_set_display_on(kingdisplay->link);  in kingdisplay_panel_prepare()
278 	kingdisplay->prepared = true;  in kingdisplay_panel_prepare()
283 	gpiod_set_value_cansleep(kingdisplay->enable_gpio, 0);  in kingdisplay_panel_prepare()
285 	regulator_err = regulator_disable(kingdisplay->supply);  in kingdisplay_panel_prepare()
294 	struct kingdisplay_panel *kingdisplay = to_kingdisplay_panel(panel);  in kingdisplay_panel_enable()  local
296 	if (kingdisplay->enabled)  in kingdisplay_panel_enable()
299 	kingdisplay->enabled = true;  in kingdisplay_panel_enable()
349 	{ .compatible = "kingdisplay,kd097d04", },
354 static int kingdisplay_panel_add(struct kingdisplay_panel *kingdisplay)  in kingdisplay_panel_add()  argument
356 	struct device *dev = &kingdisplay->link->dev;  in kingdisplay_panel_add()
359 	kingdisplay->supply = devm_regulator_get(dev, "power");  in kingdisplay_panel_add()
360 	if (IS_ERR(kingdisplay->supply))  in kingdisplay_panel_add()
361 		return PTR_ERR(kingdisplay->supply);  in kingdisplay_panel_add()
363 	kingdisplay->enable_gpio = devm_gpiod_get_optional(dev, "enable",  in kingdisplay_panel_add()
365 	if (IS_ERR(kingdisplay->enable_gpio)) {  in kingdisplay_panel_add()
366 		err = PTR_ERR(kingdisplay->enable_gpio);  in kingdisplay_panel_add()
368 		kingdisplay->enable_gpio = NULL;  in kingdisplay_panel_add()
371 	drm_panel_init(&kingdisplay->base, &kingdisplay->link->dev,  in kingdisplay_panel_add()
374 	err = drm_panel_of_backlight(&kingdisplay->base);  in kingdisplay_panel_add()
378 	drm_panel_add(&kingdisplay->base);  in kingdisplay_panel_add()
383 static void kingdisplay_panel_del(struct kingdisplay_panel *kingdisplay)  in kingdisplay_panel_del()  argument
385 	drm_panel_remove(&kingdisplay->base);  in kingdisplay_panel_del()
390 	struct kingdisplay_panel *kingdisplay;  in kingdisplay_panel_probe()  local
398 	kingdisplay = devm_kzalloc(&dsi->dev, sizeof(*kingdisplay), GFP_KERNEL);  in kingdisplay_panel_probe()
399 	if (!kingdisplay)  in kingdisplay_panel_probe()
402 	mipi_dsi_set_drvdata(dsi, kingdisplay);  in kingdisplay_panel_probe()
403 	kingdisplay->link = dsi;  in kingdisplay_panel_probe()
405 	err = kingdisplay_panel_add(kingdisplay);  in kingdisplay_panel_probe()
414 	struct kingdisplay_panel *kingdisplay = mipi_dsi_get_drvdata(dsi);  in kingdisplay_panel_remove()  local
417 	err = drm_panel_unprepare(&kingdisplay->base);  in kingdisplay_panel_remove()
421 	err = drm_panel_disable(&kingdisplay->base);  in kingdisplay_panel_remove()
429 	kingdisplay_panel_del(kingdisplay);  in kingdisplay_panel_remove()
436 	struct kingdisplay_panel *kingdisplay = mipi_dsi_get_drvdata(dsi);  in kingdisplay_panel_shutdown()  local
438 	drm_panel_unprepare(&kingdisplay->base);  in kingdisplay_panel_shutdown()
439 	drm_panel_disable(&kingdisplay->base);  in kingdisplay_panel_shutdown()
444 		.name = "panel-kingdisplay-kd097d04",
455 MODULE_DESCRIPTION("kingdisplay KD097D04 panel driver");