/* * Copyright (C) 2020 Samsung Electronics. All rights reserved. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; * */ #include #include #include #include "ese_spi.h" #define ERR(msg...) pr_err("[star-spi] : " msg) #define INFO(msg...) pr_info("[star-spi] : " msg) int ese_spi_send(void *ctx, unsigned char *buf, unsigned int size) { struct spi_device *spidev = ctx; int ret = 0; ret = spi_write(spidev, buf, size); if (ret < 0) { ERR("failed to write data %d", ret); return ret; } return (int)size; } int ese_spi_receive(void *ctx, unsigned char *buf, unsigned int size) { struct spi_device *spidev = ctx; int ret = 0; ret = spi_read(spidev, (void *)buf, size); if (ret < 0) { ERR("failed to read data %d", ret); return ret; } return (int)size; }