sdio_read_bool_for_func
return sdio_read_bool_for_func(dev, SD_IO_CCCR_FN_READY, func_number, is_enab);
return sdio_read_bool_for_func(dev, SD_IO_CCCR_FN_ENABLE, func_number, is_enab);
return sdio_read_bool_for_func(dev, SD_IO_CCCR_INT_ENABLE, func_number, is_enab);
int sdio_read_bool_for_func(struct cam_device *dev, uint32_t addr, uint8_t func_number, uint8_t *is_enab);