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https://github.com/physwizz/a155-U-u1.git
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55 lines
1.4 KiB
C
55 lines
1.4 KiB
C
/*
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* Copyright (C) 2020 Samsung Electronics. All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program;
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*
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*/
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#include <linux/mutex.h>
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#include <linux/printk.h>
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#include <linux/i2c.h>
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#include "ese_i2c.h"
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#define ERR(msg...) pr_err("[star-i2c] : " msg)
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#define INFO(msg...) pr_info("[star-i2c] : " msg)
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int ese_i2c_send(void *ctx, unsigned char *buf, unsigned int size)
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{
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struct i2c_client *client = ctx;
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int ret = 0;
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ret = i2c_master_send(client, buf, size);
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if (ret < 0) {
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ERR("failed to send data %d", ret);
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return ret;
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}
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return (int)size;
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}
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int ese_i2c_receive(void *ctx, unsigned char *buf, unsigned int size)
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{
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struct i2c_client *client = ctx;
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int ret = 0;
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ret = i2c_master_recv(client, (void *)buf, size);
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if (ret < 0) {
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ERR("failed to recv data %d", ret);
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return ret;
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}
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return (int)size;
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}
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