i2c/et8ek8/et8ek8_driver.c

227 	int rval;
245 		rval = i2c_transfer(client->adapter, msg, wcnt);
246 		if (rval < 0)
247 			return rval;
253 	rval = i2c_transfer(client->adapter, msg, wcnt);
255 	return rval < 0 ? rval : 0;
585 	int cbh_mode, cbv_mode, tp_mode, din_sw, r1420, rval;
610 	rval = et8ek8_i2c_write_reg(client, ET8EK8_REG_8BIT, 0x111B,
612 	if (rval)
613 		return rval;
615 	rval = et8ek8_i2c_write_reg(client, ET8EK8_REG_8BIT, 0x1121,
617 	if (rval)
618 		return rval;
620 	rval = et8ek8_i2c_write_reg(client, ET8EK8_REG_8BIT, 0x1124,
622 	if (rval)
623 		return rval;
625 	rval = et8ek8_i2c_write_reg(client, ET8EK8_REG_8BIT, 0x112C, din_sw);
626 	if (rval)
627 		return rval;
750 	int rval;
752 	rval = et8ek8_i2c_write_regs(client, sensor->current_reglist->regs);
753 	if (rval)
760 	rval = v4l2_ctrl_handler_setup(&sensor->ctrl_handler);
761 	if (rval)
769 	return rval;
820 	int val, rval;
822 	rval = regulator_enable(sensor->vana);
823 	if (rval) {
825 		return rval;
833 	rval = clk_set_rate(sensor->ext_clk, xclk_freq);
834 	if (rval < 0) {
839 	rval = clk_prepare_enable(sensor->ext_clk);
840 	if (rval < 0) {
845 	if (rval)
854 	rval = et8ek8_i2c_reglist_find_write(client, &meta_reglist,
856 	if (rval)
860 	rval = et8ek8_i2c_read_reg(client, ET8EK8_REG_8BIT, 0x1263, &val);
861 	if (rval)
868 	rval = et8ek8_i2c_write_reg(client, ET8EK8_REG_8BIT, 0x1263, val);
869 	if (rval)
874 	if (rval)
877 	return rval;
1104 	int rval = 0;
1114 		rval = et8ek8_i2c_write_reg(client, ET8EK8_REG_8BIT, 0x0001,
1116 		if (rval < 0)
1117 			return rval;
1123 			rval = et8ek8_i2c_read_reg(client, ET8EK8_REG_8BIT,
1125 			if (rval < 0)
1126 				return rval;
1146 		rval = i2c_transfer(client->adapter, &msg, 1);
1147 		if (rval < 0)
1148 			return rval;
1157 		rval = i2c_transfer(client->adapter, &msg, 1);
1158 		if (rval < 0)
1159 			return rval;
1161 		rval = 0;
1169 	return rval;
1176 	int rval, rev_l, rev_h;
1178 	rval = et8ek8_power_on(sensor);
1179 	if (rval) {
1181 		return rval;
1184 	rval = et8ek8_i2c_read_reg(client, ET8EK8_REG_8BIT,
1186 	if (!rval)
1187 		rval = et8ek8_i2c_read_reg(client, ET8EK8_REG_8BIT,
1189 	if (rval) {
1200 	rval = et8ek8_reglist_import(client, &meta_reglist);
1201 	if (rval) {
1214 		rval = -ENODEV;
1220 	rval = et8ek8_i2c_reglist_find_write(client, &meta_reglist,
1222 	if (rval) {
1228 	rval = et8ek8_stream_on(sensor); /* Needed to be able to read EEPROM */
1229 	if (rval)
1231 	rval = et8ek8_g_priv_mem(subdev);
1232 	if (rval)
1235 	rval = et8ek8_stream_off(sensor);
1236 	if (rval)
1239 	rval = et8ek8_power_off(sensor);
1240 	if (rval)
1248 	return rval;
1279 	int rval;
1283 	rval = device_create_file(&client->dev, &dev_attr_priv_mem);
1284 	if (rval) {
1286 		return rval;
1289 	rval = et8ek8_dev_init(subdev);
1290 	if (rval)
1293 	rval = et8ek8_init_controls(sensor);
1294 	if (rval) {
1306 	return rval;