+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (C) 2011 Samsung Electronics
* Lukasz Majewski <l.majewski@samsung.com>
* Stefano Babic, DENX Software Engineering, sbabic@denx.de
*
* (C) Copyright 2008-2009 Freescale Semiconductor, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * 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; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
*/
#include <common.h>
#include <linux/types.h>
#include <power/pmic.h>
#include <i2c.h>
-#include <compiler.h>
+#include <linux/compiler.h>
int pmic_reg_write(struct pmic *p, u32 reg, u32 val)
{
unsigned char buf[4] = { 0 };
if (check_reg(p, reg))
- return -1;
+ return -EINVAL;
+
+ I2C_SET_BUS(p->bus);
switch (pmic_i2c_tx_num) {
case 3:
break;
default:
printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
- return -1;
+ return -EINVAL;
}
- if (i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num))
- return -1;
-
- return 0;
+ return i2c_write(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
}
int pmic_reg_read(struct pmic *p, u32 reg, u32 *val)
{
unsigned char buf[4] = { 0 };
u32 ret_val = 0;
+ int ret;
if (check_reg(p, reg))
- return -1;
+ return -EINVAL;
- if (i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num))
- return -1;
+ I2C_SET_BUS(p->bus);
+
+ ret = i2c_read(pmic_i2c_addr, reg, 1, buf, pmic_i2c_tx_num);
+ if (ret)
+ return ret;
switch (pmic_i2c_tx_num) {
case 3:
break;
default:
printf("%s: invalid tx_num: %d", __func__, pmic_i2c_tx_num);
- return -1;
+ return -EINVAL;
}
memcpy(val, &ret_val, sizeof(ret_val));
int pmic_probe(struct pmic *p)
{
- I2C_SET_BUS(p->bus);
+ i2c_set_bus_num(p->bus);
debug("Bus: %d PMIC:%s probed!\n", p->bus, p->name);
if (i2c_probe(pmic_i2c_addr)) {
printf("Can't find PMIC:%s\n", p->name);
- return -1;
+ return -ENODEV;
}
return 0;