PIXCIR_REG_POWER_MODE
ret = i2c_smbus_read_byte_data(ts->client, PIXCIR_REG_POWER_MODE);
__func__, PIXCIR_REG_POWER_MODE, ret);
ret = i2c_smbus_write_byte_data(ts->client, PIXCIR_REG_POWER_MODE, ret);
__func__, PIXCIR_REG_POWER_MODE, ret);