drm/bridge/nxp-ptn3460.c

54 	int ret;
56 	ret = i2c_master_send(ptn_bridge->client, &addr, 1);
57 	if (ret < 0) {
58 		DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
59 		return ret;
62 	ret = i2c_master_recv(ptn_bridge->client, buf, len);
63 	if (ret < 0) {
64 		DRM_ERROR("Failed to recv i2c data, ret=%d\n", ret);
65 		return ret;
74 	int ret;
80 	ret = i2c_master_send(ptn_bridge->client, buf, ARRAY_SIZE(buf));
81 	if (ret < 0) {
82 		DRM_ERROR("Failed to send i2c command, ret=%d\n", ret);
83 		return ret;
91 	int ret;
95 	ret = ptn3460_write_byte(ptn_bridge, PTN3460_EDID_SRAM_LOAD_ADDR,
97 	if (ret) {
98 		DRM_ERROR("Failed to transfer EDID to sram, ret=%d\n", ret);
99 		return ret;
106 	ret = ptn3460_write_byte(ptn_bridge, PTN3460_EDID_EMULATION_ADDR, val);
107 	if (ret) {
108 		DRM_ERROR("Failed to write EDID value, ret=%d\n", ret);
109 		return ret;
118 	int ret;
136 	ret = ptn3460_select_edid(ptn_bridge);
137 	if (ret)
138 		DRM_ERROR("Select EDID failed ret=%d\n", ret);
164 	int ret;
175 	ret = ptn3460_read_bytes(ptn_bridge, PTN3460_EDID_ADDR, edid,
177 	if (ret) {
221 	int ret;
224 	ret = drm_bridge_attach(bridge->encoder, ptn_bridge->panel_bridge,
226 	if (ret < 0)
227 		return ret;
238 	ret = drm_connector_init(bridge->dev, &ptn_bridge->connector,
240 	if (ret) {
242 		return ret;
252 	return ret;
267 	int ret;
284 		ret = PTR_ERR(ptn_bridge->gpio_pd_n);
285 		dev_err(dev, "cannot get gpio_pd_n %d\n", ret);
286 		return ret;
296 		ret = PTR_ERR(ptn_bridge->gpio_rst_n);
297 		DRM_ERROR("cannot get gpio_rst_n %d\n", ret);
298 		return ret;
301 	ret = of_property_read_u32(dev->of_node, "edid-emulation",
303 	if (ret) {
305 		return ret;