Lines Matching refs:ret

107 	int ret;
121 			ret = -ENOMEM;
129 			ret = -ENOMEM;
139 	ret = spi_sync_transfer(spi, tr, 2);
140 	if (rx && !ret)
148 	return ret;
154 	int ret;
156 	ret = repaper_spi_transfer(spi, 0x70, &reg, NULL, 1);
157 	if (ret)
158 		return ret;
170 	int ret;
173 	ret = repaper_spi_transfer(spi, 0x70, &reg, NULL, 1);
174 	if (ret)
175 		return ret;
177 	ret = repaper_spi_transfer(spi, 0x73, NULL, &val, 1);
179 	return ret ? ret : val;
184 	int ret;
187 	ret = repaper_spi_transfer(spi, 0x71, NULL, &id, 1);
189 	return ret ? ret : id;
478 	int ret, temperature = 0;
484 	ret = thermal_zone_get_temp(epd->thermal, &temperature);
485 	if (ret) {
486 		DRM_DEV_ERROR(&epd->spi->dev, "Failed to get temperature (%d)\n", ret);
519 	int idx, ret = 0;
538 		ret = -ENOMEM;
542 	ret = drm_gem_fb_begin_cpu_access(fb, DMA_FROM_DEVICE);
543 	if (ret)
604 	return ret;
641 	int i, ret, idx;
687 	ret = repaper_read_id(spi);
688 	if (ret != REPAPER_RID_G2_COG_ID) {
689 		if (ret < 0)
690 			dev_err(dev, "failed to read chip (%d)\n", ret);
692 			dev_err(dev, "wrong COG ID 0x%02x\n", ret);
700 	ret = repaper_read_val(spi, 0x0f);
701 	if (ret < 0 || !(ret & 0x80)) {
702 		if (ret < 0)
703 			DRM_DEV_ERROR(dev, "failed to read chip (%d)\n", ret);
743 		ret = repaper_read_val(spi, 0x0f);
744 		if (ret < 0) {
745 			DRM_DEV_ERROR(dev, "failed to read chip (%d)\n", ret);
750 		if (ret & 0x40) {
948 	int ret;
960 		ret = dma_coerce_mask_and_coherent(dev, DMA_BIT_MASK(32));
961 		if (ret) {
962 			dev_warn(dev, "Failed to set dma mask %d\n", ret);
963 			return ret;
974 	ret = drmm_mode_config_init(drm);
975 	if (ret)
976 		return ret;
983 		ret = PTR_ERR(epd->panel_on);
984 		if (ret != -EPROBE_DEFER)
986 		return ret;
991 		ret = PTR_ERR(epd->discharge);
992 		if (ret != -EPROBE_DEFER)
994 		return ret;
999 		ret = PTR_ERR(epd->reset);
1000 		if (ret != -EPROBE_DEFER)
1002 		return ret;
1007 		ret = PTR_ERR(epd->busy);
1008 		if (ret != -EPROBE_DEFER)
1010 		return ret;
1056 			ret = PTR_ERR(epd->border);
1057 			if (ret != -EPROBE_DEFER)
1059 			return ret;
1096 	ret = drm_connector_init(drm, &epd->connector, &repaper_connector_funcs,
1098 	if (ret)
1099 		return ret;
1101 	ret = drm_simple_display_pipe_init(drm, &epd->pipe, &repaper_pipe_funcs,
1104 	if (ret)
1105 		return ret;
1109 	ret = drm_dev_register(drm, 0);
1110 	if (ret)
1111 		return ret;