33 		int ret;						\
34 		ret = mipi_dsi_dcs_write_buffer(dsi, d, ARRAY_SIZE(d));	\
35 		if (ret < 0)						\
36 			return ret;					\
53 	int ret;  in s6e88a0_ams452ef01_on()  local
60 	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);  in s6e88a0_ams452ef01_on()
61 	if (ret < 0) {  in s6e88a0_ams452ef01_on()
62 		dev_err(dev, "Failed to exit sleep mode: %d\n", ret);  in s6e88a0_ams452ef01_on()
63 		return ret;  in s6e88a0_ams452ef01_on()
86 	ret = mipi_dsi_dcs_set_display_on(dsi);  in s6e88a0_ams452ef01_on()
87 	if (ret < 0) {  in s6e88a0_ams452ef01_on()
88 		dev_err(dev, "Failed to set display on: %d\n", ret);  in s6e88a0_ams452ef01_on()
89 		return ret;  in s6e88a0_ams452ef01_on()
99 	int ret;  in s6e88a0_ams452ef01_off()  local
103 	ret = mipi_dsi_dcs_set_display_off(dsi);  in s6e88a0_ams452ef01_off()
104 	if (ret < 0) {  in s6e88a0_ams452ef01_off()
105 		dev_err(dev, "Failed to set display off: %d\n", ret);  in s6e88a0_ams452ef01_off()
106 		return ret;  in s6e88a0_ams452ef01_off()
110 	ret = mipi_dsi_dcs_enter_sleep_mode(dsi);  in s6e88a0_ams452ef01_off()
111 	if (ret < 0) {  in s6e88a0_ams452ef01_off()
112 		dev_err(dev, "Failed to enter sleep mode: %d\n", ret);  in s6e88a0_ams452ef01_off()
113 		return ret;  in s6e88a0_ams452ef01_off()
124 	int ret;  in s6e88a0_ams452ef01_prepare()  local
129 	ret = regulator_bulk_enable(ARRAY_SIZE(ctx->supplies), ctx->supplies);  in s6e88a0_ams452ef01_prepare()
130 	if (ret < 0) {  in s6e88a0_ams452ef01_prepare()
131 		dev_err(dev, "Failed to enable regulators: %d\n", ret);  in s6e88a0_ams452ef01_prepare()
132 		return ret;  in s6e88a0_ams452ef01_prepare()
137 	ret = s6e88a0_ams452ef01_on(ctx);  in s6e88a0_ams452ef01_prepare()
138 	if (ret < 0) {  in s6e88a0_ams452ef01_prepare()
139 		dev_err(dev, "Failed to initialize panel: %d\n", ret);  in s6e88a0_ams452ef01_prepare()
143 		return ret;  in s6e88a0_ams452ef01_prepare()
154 	int ret;  in s6e88a0_ams452ef01_unprepare()  local
159 	ret = s6e88a0_ams452ef01_off(ctx);  in s6e88a0_ams452ef01_unprepare()
160 	if (ret < 0)  in s6e88a0_ams452ef01_unprepare()
161 		dev_err(dev, "Failed to un-initialize panel: %d\n", ret);  in s6e88a0_ams452ef01_unprepare()
213 	int ret;  in s6e88a0_ams452ef01_probe()  local
221 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ctx->supplies),  in s6e88a0_ams452ef01_probe()
223 	if (ret < 0) {  in s6e88a0_ams452ef01_probe()
224 		dev_err(dev, "Failed to get regulators: %d\n", ret);  in s6e88a0_ams452ef01_probe()
225 		return ret;  in s6e88a0_ams452ef01_probe()
230 		ret = PTR_ERR(ctx->reset_gpio);  in s6e88a0_ams452ef01_probe()
231 		dev_err(dev, "Failed to get reset-gpios: %d\n", ret);  in s6e88a0_ams452ef01_probe()
232 		return ret;  in s6e88a0_ams452ef01_probe()
247 	ret = mipi_dsi_attach(dsi);  in s6e88a0_ams452ef01_probe()
248 	if (ret < 0) {  in s6e88a0_ams452ef01_probe()
249 		dev_err(dev, "Failed to attach to DSI host: %d\n", ret);  in s6e88a0_ams452ef01_probe()
250 		return ret;  in s6e88a0_ams452ef01_probe()
259 	int ret;  in s6e88a0_ams452ef01_remove()  local
261 	ret = mipi_dsi_detach(dsi);  in s6e88a0_ams452ef01_remove()
262 	if (ret < 0)  in s6e88a0_ams452ef01_remove()
263 		dev_err(&dsi->dev, "Failed to detach from DSI host: %d\n", ret);  in s6e88a0_ams452ef01_remove()