89 static int db7430_power_on(struct db7430 *db)  in db7430_power_on()  argument
91 	struct mipi_dbi *dbi = &db->dbi;  in db7430_power_on()
95 	ret = regulator_bulk_enable(ARRAY_SIZE(db->regulators),  in db7430_power_on()
96 				    db->regulators);  in db7430_power_on()
98 		dev_err(db->dev, "failed to enable regulators: %d\n", ret);  in db7430_power_on()
104 	gpiod_set_value_cansleep(db->reset, 1);  in db7430_power_on()
107 	gpiod_set_value_cansleep(db->reset, 0);  in db7430_power_on()
110 	dev_dbg(db->dev, "de-asserted RESET\n");  in db7430_power_on()
164 static int db7430_power_off(struct db7430 *db)  in db7430_power_off()  argument
167 	gpiod_set_value_cansleep(db->reset, 1);  in db7430_power_off()
168 	return regulator_bulk_disable(ARRAY_SIZE(db->regulators),  in db7430_power_off()
169 				      db->regulators);  in db7430_power_off()
179 	struct db7430 *db = to_db7430(panel);  in db7430_disable()  local
180 	struct mipi_dbi *dbi = &db->dbi;  in db7430_disable()
197 	struct db7430 *db = to_db7430(panel);  in db7430_enable()  local
198 	struct mipi_dbi *dbi = &db->dbi;  in db7430_enable()
230 	struct db7430 *db = to_db7430(panel);  in db7430_get_modes()  local
236 		dev_err(db->dev, "failed to add mode\n");  in db7430_get_modes()
267 	struct db7430 *db;  in db7430_probe()  local
270 	db = devm_kzalloc(dev, sizeof(*db), GFP_KERNEL);  in db7430_probe()
271 	if (!db)  in db7430_probe()
273 	db->dev = dev;  in db7430_probe()
279 	db->regulators[0].supply = "vci";  in db7430_probe()
280 	db->regulators[1].supply = "vccio";  in db7430_probe()
282 				      ARRAY_SIZE(db->regulators),  in db7430_probe()
283 				      db->regulators);  in db7430_probe()
287 	db->reset = devm_gpiod_get(dev, "reset", GPIOD_OUT_HIGH);  in db7430_probe()
288 	if (IS_ERR(db->reset)) {  in db7430_probe()
289 		ret = PTR_ERR(db->reset);  in db7430_probe()
293 	ret = mipi_dbi_spi_init(spi, &db->dbi, NULL);  in db7430_probe()
297 	drm_panel_init(&db->panel, dev, &db7430_drm_funcs,  in db7430_probe()
301 	ret = drm_panel_of_backlight(&db->panel);  in db7430_probe()
305 	spi_set_drvdata(spi, db);  in db7430_probe()
307 	drm_panel_add(&db->panel);  in db7430_probe()
315 	struct db7430 *db = spi_get_drvdata(spi);  in db7430_remove()  local
317 	drm_panel_remove(&db->panel);  in db7430_remove()