drm/panel/panel-novatek-nt35950.c

112 	int ret;
114 	ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], mauc_cmd2_page,
116 	if (ret < 0)
117 		return ret;
136 	int ret;
140 		ret = nt35950_set_cmd2_page(nt, 0);
141 		if (ret < 0)
142 			return ret;
145 	ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_data_compression,
147 	if (ret < 0)
148 		return ret;
150 	ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_on,
152 	if (ret < 0)
153 		return ret;
156 	ret = nt35950_set_cmd2_page(nt, 4);
157 	if (ret < 0)
158 		return ret;
161 	ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_vesa_dsc_setting,
163 	if (ret < 0)
164 		return ret;
219 	int ret;
222 	ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd_test, ARRAY_SIZE(cmd_test));
223 	if (ret < 0)
224 		return ret;
227 	ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd0_black_img,
229 	if (ret < 0)
230 		return ret;
231 	ret = mipi_dsi_dcs_write_buffer(nt->dsi[0], cmd1_black_img,
233 	if (ret < 0)
234 		return ret;
288 	int ret;
294 	ret = nt35950_set_cmd2_page(nt, 0);
295 	if (ret < 0)
296 		return ret;
298 	ret = nt35950_set_data_compression(nt, mode_data[nt->cur_mode].compression);
299 	if (ret < 0)
300 		return ret;
302 	ret = nt35950_set_scale_mode(nt, mode_data[nt->cur_mode].scaler_mode);
303 	if (ret < 0)
304 		return ret;
306 	ret = nt35950_set_scaler(nt, mode_data[nt->cur_mode].scaler_on);
307 	if (ret < 0)
308 		return ret;
310 	ret = nt35950_set_dispout(nt);
311 	if (ret < 0)
312 		return ret;
314 	ret = mipi_dsi_dcs_set_tear_on(dsi, MIPI_DSI_DCS_TEAR_MODE_VBLANK);
315 	if (ret < 0) {
316 		dev_err(dev, "Failed to set tear on: %d\n", ret);
317 		return ret;
320 	ret = mipi_dsi_dcs_set_tear_scanline(dsi, 0);
321 	if (ret < 0) {
322 		dev_err(dev, "Failed to set tear scanline: %d\n", ret);
323 		return ret;
327 	ret = nt35950_set_cmd2_page(nt, 1);
328 	if (ret < 0)
329 		return ret;
335 	ret = nt35950_set_cmd2_page(nt, 7);
336 	if (ret < 0)
337 		return ret;
346 	ret = nt35950_inject_black_image(nt);
347 	if (ret < 0)
348 		return ret;
350 	ret = mipi_dsi_dcs_exit_sleep_mode(dsi);
351 	if (ret < 0)
352 		return ret;
355 	ret = mipi_dsi_dcs_set_display_on(dsi);
356 	if (ret < 0)
357 		return ret;
369 	int ret;
371 	ret = mipi_dsi_dcs_set_display_off(nt->dsi[0]);
372 	if (ret < 0) {
373 		dev_err(dev, "Failed to set display off: %d\n", ret);
378 	ret = mipi_dsi_dcs_enter_sleep_mode(nt->dsi[0]);
379 	if (ret < 0) {
380 		dev_err(dev, "Failed to enter sleep mode: %d\n", ret);
394 	int ret;
400 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(nt->vregs),
402 	if (ret < 0)
403 		return ret;
405 	ret = regulator_is_supported_voltage(nt->vregs[0].consumer,
407 	if (!ret)
409 	ret = regulator_is_supported_voltage(nt->vregs[1].consumer,
411 	if (!ret)
414 	ret = regulator_is_supported_voltage(nt->vregs[2].consumer,
416 	if (!ret)
419 	ret = regulator_is_supported_voltage(nt->vregs[3].consumer,
421 	if (!ret)
431 	int ret;
433 	ret = regulator_enable(nt->vregs[0].consumer);
434 	if (ret)
435 		return ret;
438 	ret = regulator_enable(nt->vregs[3].consumer);
439 	if (ret)
443 	ret = regulator_enable(nt->vregs[1].consumer);
444 	if (ret)
447 	ret = regulator_enable(nt->vregs[2].consumer);
448 	if (ret)
454 	ret = nt35950_on(nt);
455 	if (ret < 0) {
456 		dev_err(dev, "Failed to initialize panel: %d\n", ret);
461 	if (ret < 0) {
463 		return ret;
473 	int ret;
475 	ret = nt35950_off(nt);
476 	if (ret < 0)
477 		dev_err(dev, "Failed to deinitialize panel: %d\n", ret);
529 	int i, num_dsis = 1, ret;
535 	ret = nt35950_sharp_init_vregs(nt, dev);
536 	if (ret)
537 		return dev_err_probe(dev, ret, "Regulator init failure.\n");
576 	ret = drm_panel_of_backlight(&nt->panel);
577 	if (ret) {
581 		return dev_err_probe(dev, ret, "Failed to get backlight\n");
596 		ret = mipi_dsi_attach(nt->dsi[i]);
597 		if (ret < 0) {
602 			return dev_err_probe(dev, ret,
615 	int ret;
617 	ret = mipi_dsi_detach(nt->dsi[0]);
618 	if (ret < 0)
620 			"Failed to detach from DSI0 host: %d\n", ret);
623 		ret = mipi_dsi_detach(nt->dsi[1]);
624 		if (ret < 0)
626 				"Failed to detach from DSI1 host: %d\n", ret);