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()
384 	int r;  in dsicm_num_errors_show()  local
391 		r = dsicm_wake_up(ddata);  in dsicm_num_errors_show()
392 		if (!r)  in dsicm_num_errors_show()
393 			r = dsicm_dcs_read_1(ddata, DCS_READ_NUM_ERRORS,  in dsicm_num_errors_show()
398 		r = -ENODEV;  in dsicm_num_errors_show()
403 	if (r)  in dsicm_num_errors_show()
404 		return r;  in dsicm_num_errors_show()
415 	int r;  in dsicm_hw_revision_show()  local
422 		r = dsicm_wake_up(ddata);  in dsicm_hw_revision_show()
423 		if (!r)  in dsicm_hw_revision_show()
424 			r = dsicm_get_id(ddata, &id1, &id2, &id3);  in dsicm_hw_revision_show()
428 		r = -ENODEV;  in dsicm_hw_revision_show()
433 	if (r)  in dsicm_hw_revision_show()
434 		return r;  in dsicm_hw_revision_show()
446 	int r;  in dsicm_store_ulps()  local
448 	r = kstrtoul(buf, 0, &t);  in dsicm_store_ulps()
449 	if (r)  in dsicm_store_ulps()
450 		return r;  in dsicm_store_ulps()
458 			r = dsicm_enter_ulps(ddata);  in dsicm_store_ulps()
460 			r = dsicm_wake_up(ddata);  in dsicm_store_ulps()
467 	if (r)  in dsicm_store_ulps()
468 		return r;  in dsicm_store_ulps()
494 	int r;  in dsicm_store_ulps_timeout()  local
496 	r = kstrtoul(buf, 0, &t);  in dsicm_store_ulps_timeout()
497 	if (r)  in dsicm_store_ulps_timeout()
498 		return r;  in dsicm_store_ulps_timeout()
506 		r = dsicm_wake_up(ddata);  in dsicm_store_ulps_timeout()
512 	if (r)  in dsicm_store_ulps_timeout()
513 		return r;  in dsicm_store_ulps_timeout()
574 	int r;  in dsicm_power_on()  local
586 		r = in->ops.dsi->configure_pins(in, &ddata->pin_config);  in dsicm_power_on()
587 		if (r) {  in dsicm_power_on()
594 	r = in->ops.dsi->set_config(in, &dsi_config);  in dsicm_power_on()
595 	if (r) {  in dsicm_power_on()
600 	r = in->ops.dsi->enable(in);  in dsicm_power_on()
601 	if (r) {  in dsicm_power_on()
610 	r = dsicm_sleep_out(ddata);  in dsicm_power_on()
611 	if (r)  in dsicm_power_on()
614 	r = dsicm_get_id(ddata, &id1, &id2, &id3);  in dsicm_power_on()
615 	if (r)  in dsicm_power_on()
618 	r = dsicm_dcs_write_1(ddata, DCS_BRIGHTNESS, 0xff);  in dsicm_power_on()
619 	if (r)  in dsicm_power_on()
622 	r = dsicm_dcs_write_1(ddata, DCS_CTRL_DISPLAY,  in dsicm_power_on()
624 	if (r)  in dsicm_power_on()
627 	r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_PIXEL_FORMAT,  in dsicm_power_on()
629 	if (r)  in dsicm_power_on()
632 	r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_DISPLAY_ON);  in dsicm_power_on()
633 	if (r)  in dsicm_power_on()
636 	r = _dsicm_enable_te(ddata, ddata->te_enabled);  in dsicm_power_on()
637 	if (r)  in dsicm_power_on()
640 	r = in->ops.dsi->enable_video_output(in, ddata->channel);  in dsicm_power_on()
641 	if (r)  in dsicm_power_on()
662 	return r;  in dsicm_power_on()
668 	int r;  in dsicm_power_off()  local
672 	r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_DISPLAY_OFF);  in dsicm_power_off()
673 	if (!r)  in dsicm_power_off()
674 		r = dsicm_sleep_in(ddata);  in dsicm_power_off()
676 	if (r) {  in dsicm_power_off()
701 	int r;  in dsicm_connect()  local
706 	r = in->ops.dsi->connect(in, dssdev);  in dsicm_connect()
707 	if (r) {  in dsicm_connect()
709 		return r;  in dsicm_connect()
712 	r = in->ops.dsi->request_vc(ddata->in, &ddata->channel);  in dsicm_connect()
713 	if (r) {  in dsicm_connect()
718 	r = in->ops.dsi->set_vc_id(ddata->in, ddata->channel, TCH);  in dsicm_connect()
719 	if (r) {  in dsicm_connect()
730 	return r;  in dsicm_connect()
749 	int r;  in dsicm_enable()  local
756 		r = -ENODEV;  in dsicm_enable()
761 		r = 0;  in dsicm_enable()
767 	r = dsicm_power_on(ddata);  in dsicm_enable()
771 	if (r)  in dsicm_enable()
782 	return r;  in dsicm_enable()
789 	int r;  in dsicm_disable()  local
800 		r = dsicm_wake_up(ddata);  in dsicm_disable()
801 		if (!r)  in dsicm_disable()
826 	int r;  in dsicm_te_isr()  local
833 		r = in->ops.dsi->update(in, ddata->channel, dsicm_framedone_cb,  in dsicm_te_isr()
835 		if (r)  in dsicm_te_isr()
863 	int r;  in dsicm_update()  local
870 	r = dsicm_wake_up(ddata);  in dsicm_update()
871 	if (r)  in dsicm_update()
875 		r = 0;  in dsicm_update()
880 	r = dsicm_set_update_window(ddata, 0, 0,  in dsicm_update()
883 	if (r)  in dsicm_update()
891 		r = in->ops.dsi->update(in, ddata->channel, dsicm_framedone_cb,  in dsicm_update()
893 		if (r)  in dsicm_update()
903 	return r;  in dsicm_update()
926 	int r;  in _dsicm_enable_te()  local
929 		r = dsicm_dcs_write_1(ddata, MIPI_DCS_SET_TEAR_ON, 0);  in _dsicm_enable_te()
931 		r = dsicm_dcs_write_0(ddata, MIPI_DCS_SET_TEAR_OFF);  in _dsicm_enable_te()
939 	return r;  in _dsicm_enable_te()
946 	int r;  in dsicm_enable_te()  local
956 		r = dsicm_wake_up(ddata);  in dsicm_enable_te()
957 		if (r)  in dsicm_enable_te()
960 		r = _dsicm_enable_te(ddata, enable);  in dsicm_enable_te()
961 		if (r)  in dsicm_enable_te()
976 	return r;  in dsicm_enable_te()
982 	int r;  in dsicm_get_te()  local
985 	r = ddata->te_enabled;  in dsicm_get_te()
988 	return r;  in dsicm_get_te()
997 	int r;  in dsicm_memory_read()  local
1008 		r = -ENODEV;  in dsicm_memory_read()
1018 	r = dsicm_wake_up(ddata);  in dsicm_memory_read()
1019 	if (r)  in dsicm_memory_read()
1032 	r = in->ops.dsi->set_max_rx_packet_size(in, ddata->channel, plen);  in dsicm_memory_read()
1033 	if (r)  in dsicm_memory_read()
1040 		r = in->ops.dsi->dcs_read(in, ddata->channel, dcs_cmd,  in dsicm_memory_read()
1043 		if (r < 0) {  in dsicm_memory_read()
1048 		buf_used += r;  in dsicm_memory_read()
1050 		if (r < plen) {  in dsicm_memory_read()
1058 			r = -ERESTARTSYS;  in dsicm_memory_read()
1063 	r = buf_used;  in dsicm_memory_read()
1071 	return r;  in dsicm_memory_read()
1122 	int r;  in dsicm_probe()  local
1137 	r = PTR_ERR_OR_ZERO(ddata->in);  in dsicm_probe()
1138 	if (r) {  in dsicm_probe()
1139 		dev_err(&pdev->dev, "failed to find video source: %d\n", r);  in dsicm_probe()
1140 		return r;  in dsicm_probe()
1158 	r = omapdss_register_display(dssdev);  in dsicm_probe()
1159 	if (r) {  in dsicm_probe()
1169 	r = PTR_ERR_OR_ZERO(ddata->reset_gpio);  in dsicm_probe()
1170 	if (r) {  in dsicm_probe()
1171 		dev_err(&pdev->dev, "Failed to request reset gpio: %d\n", r);  in dsicm_probe()
1172 		return r;  in dsicm_probe()
1179 	r = PTR_ERR_OR_ZERO(ddata->ext_te_gpio);  in dsicm_probe()
1180 	if (r) {  in dsicm_probe()
1181 		dev_err(&pdev->dev, "Failed to request TE gpio: %d\n", r);  in dsicm_probe()
1182 		return r;  in dsicm_probe()
1188 		r = devm_request_irq(dev, gpiod_to_irq(ddata->ext_te_gpio),  in dsicm_probe()
1193 		if (r) {  in dsicm_probe()
1195 			return r;  in dsicm_probe()
1216 			r = PTR_ERR(bldev);  in dsicm_probe()
1229 	r = sysfs_create_group(&dev->kobj, &dsicm_attr_group);  in dsicm_probe()
1230 	if (r) {  in dsicm_probe()
1241 	return r;  in dsicm_probe()