109 	int r;  in dsicm_dcs_read_1()  local
112 	r = in->ops.dsi->dcs_read(in, ddata->channel, dcs_cmd, buf, 1);  in dsicm_dcs_read_1()
114 	if (r < 0)  in dsicm_dcs_read_1()
115 		return r;  in dsicm_dcs_read_1()
141 	int r;  in dsicm_sleep_in()  local
146 	r = in->ops.dsi->dcs_write_nosync(in, ddata->channel, &cmd, 1);  in dsicm_sleep_in()
147 	if (r)  in dsicm_sleep_in()
148 		return r;  in dsicm_sleep_in()
159 	int r;  in dsicm_sleep_out()  local
163 	r = dsicm_dcs_write_0(ddata, MIPI_DCS_EXIT_SLEEP_MODE);  in dsicm_sleep_out()
164 	if (r)  in dsicm_sleep_out()
165 		return r;  in dsicm_sleep_out()
176 	int r;  in dsicm_get_id()  local
178 	r = dsicm_dcs_read_1(ddata, DCS_GET_ID1, id1);  in dsicm_get_id()
179 	if (r)  in dsicm_get_id()
180 		return r;  in dsicm_get_id()
181 	r = dsicm_dcs_read_1(ddata, DCS_GET_ID2, id2);  in dsicm_get_id()
182 	if (r)  in dsicm_get_id()
183 		return r;  in dsicm_get_id()
184 	r = dsicm_dcs_read_1(ddata, DCS_GET_ID3, id3);  in dsicm_get_id()
185 	if (r)  in dsicm_get_id()
186 		return r;  in dsicm_get_id()
195 	int r;  in dsicm_set_update_window()  local
208 	r = in->ops.dsi->dcs_write_nosync(in, ddata->channel, buf, sizeof(buf));  in dsicm_set_update_window()
209 	if (r)  in dsicm_set_update_window()
210 		return r;  in dsicm_set_update_window()
218 	r = in->ops.dsi->dcs_write_nosync(in, ddata->channel, buf, sizeof(buf));  in dsicm_set_update_window()
219 	if (r)  in dsicm_set_update_window()
220 		return r;  in dsicm_set_update_window()
224 	return r;  in dsicm_set_update_window()
242 	int r;  in dsicm_enter_ulps()  local
249 	r = _dsicm_enable_te(ddata, false);  in dsicm_enter_ulps()
250 	if (r)  in dsicm_enter_ulps()
270 	return r;  in dsicm_enter_ulps()
276 	int r;  in dsicm_exit_ulps()  local
281 	r = in->ops.dsi->enable(in);  in dsicm_exit_ulps()
282 	if (r) {  in dsicm_exit_ulps()
289 	r = _dsicm_enable_te(ddata, true);  in dsicm_exit_ulps()
290 	if (r) {  in dsicm_exit_ulps()
307 	r = dsicm_panel_reset(ddata);  in dsicm_exit_ulps()
308 	if (!r) {  in dsicm_exit_ulps()
316 	return r;  in dsicm_exit_ulps()
333 	int r;  in dsicm_bl_update_status()  local
343 		r = dsicm_wake_up(ddata);  in dsicm_bl_update_status()
344 		if (!r)  in dsicm_bl_update_status()
345 			r = dsicm_dcs_write_1(ddata, DCS_BRIGHTNESS, level);  in dsicm_bl_update_status()
349 		r = 0;  in dsicm_bl_update_status()
354 	return r;  in dsicm_bl_update_status()
380 	int r;  in dsicm_num_errors_show()  local
387 		r = dsicm_wake_up(ddata);  in dsicm_num_errors_show()
388 		if (!r)  in dsicm_num_errors_show()
389 			r = dsicm_dcs_read_1(ddata, DCS_READ_NUM_ERRORS,  in dsicm_num_errors_show()
394 		r = -ENODEV;  in dsicm_num_errors_show()
399 	if (r)  in dsicm_num_errors_show()
400 		return r;  in dsicm_num_errors_show()
411 	int r;  in dsicm_hw_revision_show()  local
418 		r = dsicm_wake_up(ddata);  in dsicm_hw_revision_show()
419 		if (!r)  in dsicm_hw_revision_show()
420 			r = dsicm_get_id(ddata, &id1, &id2, &id3);  in dsicm_hw_revision_show()
424 		r = -ENODEV;  in dsicm_hw_revision_show()
429 	if (r)  in dsicm_hw_revision_show()
430 		return r;  in dsicm_hw_revision_show()
442 	int r;  in dsicm_store_ulps()  local
444 	r = kstrtoul(buf, 0, &t);  in dsicm_store_ulps()
445 	if (r)  in dsicm_store_ulps()
446 		return r;  in dsicm_store_ulps()
454 			r = dsicm_enter_ulps(ddata);  in dsicm_store_ulps()
456 			r = dsicm_wake_up(ddata);  in dsicm_store_ulps()
463 	if (r)  in dsicm_store_ulps()
464 		return r;  in dsicm_store_ulps()
490 	int r;  in dsicm_store_ulps_timeout()  local
492 	r = kstrtoul(buf, 0, &t);  in dsicm_store_ulps_timeout()
493 	if (r)  in dsicm_store_ulps_timeout()
494 		return r;  in dsicm_store_ulps_timeout()
502 		r = dsicm_wake_up(ddata);  in dsicm_store_ulps_timeout()
508 	if (r)  in dsicm_store_ulps_timeout()
509 		return r;  in dsicm_store_ulps_timeout()
570 	int r;  in dsicm_power_on()  local
582 		r = in->ops.dsi->configure_pins(in, &ddata->pin_config);  in dsicm_power_on()
583 		if (r) {  in dsicm_power_on()
590 	r = in->ops.dsi->set_config(in, &dsi_config);  in dsicm_power_on()
591 	if (r) {  in dsicm_power_on()
596 	r = in->ops.dsi->enable(in);  in dsicm_power_on()
597 	if (r) {  in dsicm_power_on()
606 	r = dsicm_sleep_out(ddata);  in dsicm_power_on()
607 	if (r)  in dsicm_power_on()
610 	r = dsicm_get_id(ddata, &id1, &id2, &id3);  in dsicm_power_on()
611 	if (r)  in dsicm_power_on()
614 	r = dsicm_dcs_write_1(ddata, DCS_BRIGHTNESS, 0xff);  in dsicm_power_on()
615 	if (r)  in dsicm_power_on()
618 	r = dsicm_dcs_write_1(ddata, DCS_CTRL_DISPLAY,  in dsicm_power_on()
620 	if (r)  in dsicm_power_on()
623 	r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_PIXEL_FORMAT,  in dsicm_power_on()
625 	if (r)  in dsicm_power_on()
628 	r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_DISPLAY_ON);  in dsicm_power_on()
629 	if (r)  in dsicm_power_on()
632 	r = _dsicm_enable_te(ddata, ddata->te_enabled);  in dsicm_power_on()
633 	if (r)  in dsicm_power_on()
636 	r = in->ops.dsi->enable_video_output(in, ddata->channel);  in dsicm_power_on()
637 	if (r)  in dsicm_power_on()
658 	return r;  in dsicm_power_on()
664 	int r;  in dsicm_power_off()  local
668 	r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_DISPLAY_OFF);  in dsicm_power_off()
669 	if (!r)  in dsicm_power_off()
670 		r = dsicm_sleep_in(ddata);  in dsicm_power_off()
672 	if (r) {  in dsicm_power_off()
697 	int r;  in dsicm_connect()  local
702 	r = in->ops.dsi->connect(in, dssdev);  in dsicm_connect()
703 	if (r) {  in dsicm_connect()
705 		return r;  in dsicm_connect()
708 	r = in->ops.dsi->request_vc(ddata->in, &ddata->channel);  in dsicm_connect()
709 	if (r) {  in dsicm_connect()
714 	r = in->ops.dsi->set_vc_id(ddata->in, ddata->channel, TCH);  in dsicm_connect()
715 	if (r) {  in dsicm_connect()
726 	return r;  in dsicm_connect()
745 	int r;  in dsicm_enable()  local
752 		r = -ENODEV;  in dsicm_enable()
757 		r = 0;  in dsicm_enable()
763 	r = dsicm_power_on(ddata);  in dsicm_enable()
767 	if (r)  in dsicm_enable()
778 	return r;  in dsicm_enable()
785 	int r;  in dsicm_disable()  local
796 		r = dsicm_wake_up(ddata);  in dsicm_disable()
797 		if (!r)  in dsicm_disable()
822 	int r;  in dsicm_te_isr()  local
829 		r = in->ops.dsi->update(in, ddata->channel, dsicm_framedone_cb,  in dsicm_te_isr()
831 		if (r)  in dsicm_te_isr()
859 	int r;  in dsicm_update()  local
866 	r = dsicm_wake_up(ddata);  in dsicm_update()
867 	if (r)  in dsicm_update()
871 		r = 0;  in dsicm_update()
876 	r = dsicm_set_update_window(ddata, 0, 0,  in dsicm_update()
879 	if (r)  in dsicm_update()
887 		r = in->ops.dsi->update(in, ddata->channel, dsicm_framedone_cb,  in dsicm_update()
889 		if (r)  in dsicm_update()
899 	return r;  in dsicm_update()
922 	int r;  in _dsicm_enable_te()  local
925 		r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_TEAR_ON, 0);  in _dsicm_enable_te()
927 		r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_TEAR_OFF);  in _dsicm_enable_te()
935 	return r;  in _dsicm_enable_te()
942 	int r;  in dsicm_enable_te()  local
952 		r = dsicm_wake_up(ddata);  in dsicm_enable_te()
953 		if (r)  in dsicm_enable_te()
956 		r = _dsicm_enable_te(ddata, enable);  in dsicm_enable_te()
957 		if (r)  in dsicm_enable_te()
972 	return r;  in dsicm_enable_te()
978 	int r;  in dsicm_get_te()  local
981 	r = ddata->te_enabled;  in dsicm_get_te()
984 	return r;  in dsicm_get_te()
993 	int r;  in dsicm_memory_read()  local
1004 		r = -ENODEV;  in dsicm_memory_read()
1014 	r = dsicm_wake_up(ddata);  in dsicm_memory_read()
1015 	if (r)  in dsicm_memory_read()
1028 	r = in->ops.dsi->set_max_rx_packet_size(in, ddata->channel, plen);  in dsicm_memory_read()
1029 	if (r)  in dsicm_memory_read()
1036 		r = in->ops.dsi->dcs_read(in, ddata->channel, dcs_cmd,  in dsicm_memory_read()
1039 		if (r < 0) {  in dsicm_memory_read()
1044 		buf_used += r;  in dsicm_memory_read()
1046 		if (r < plen) {  in dsicm_memory_read()
1054 			r = -ERESTARTSYS;  in dsicm_memory_read()
1059 	r = buf_used;  in dsicm_memory_read()
1067 	return r;  in dsicm_memory_read()
1118 	int r;  in dsicm_probe()  local
1133 	r = PTR_ERR_OR_ZERO(ddata->in);  in dsicm_probe()
1134 	if (r) {  in dsicm_probe()
1135 		dev_err(&pdev->dev, "failed to find video source: %d\n", r);  in dsicm_probe()
1136 		return r;  in dsicm_probe()
1154 	r = omapdss_register_display(dssdev);  in dsicm_probe()
1155 	if (r) {  in dsicm_probe()
1165 	r = PTR_ERR_OR_ZERO(ddata->reset_gpio);  in dsicm_probe()
1166 	if (r) {  in dsicm_probe()
1167 		dev_err(&pdev->dev, "Failed to request reset gpio: %d\n", r);  in dsicm_probe()
1168 		return r;  in dsicm_probe()
1175 	r = PTR_ERR_OR_ZERO(ddata->ext_te_gpio);  in dsicm_probe()
1176 	if (r) {  in dsicm_probe()
1177 		dev_err(&pdev->dev, "Failed to request TE gpio: %d\n", r);  in dsicm_probe()
1178 		return r;  in dsicm_probe()
1184 		r = devm_request_irq(dev, gpiod_to_irq(ddata->ext_te_gpio),  in dsicm_probe()
1189 		if (r) {  in dsicm_probe()
1191 			return r;  in dsicm_probe()
1212 			r = PTR_ERR(bldev);  in dsicm_probe()
1224 	r = sysfs_create_group(&dev->kobj, &dsicm_attr_group);  in dsicm_probe()
1225 	if (r) {  in dsicm_probe()
1236 	return r;  in dsicm_probe()