+// SPDX-License-Identifier: GPL-2.0+
/*
* Copyright (c) 2011 The Chromium OS Authors.
* (C) Copyright 2010,2011 NVIDIA Corporation <www.nvidia.com>
- *
- * SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
ctrl1 = tps6586x_read(SUPPLY_CONTROL1);
ctrl2 = tps6586x_read(SUPPLY_CONTROL2);
if (ctrl1 == -1 || ctrl2 == -1)
- return -1;
+ return -ENOTSUPP;
/* Figure out whether V1 or V2 is selected */
is_v2 = (ctrl1 | ctrl2) & CTRL_SM0_SUPPLY2;
*sm0 = tps6586x_read(is_v2 ? SM0_VOLTAGE_V2 : SM0_VOLTAGE_V1);
*sm1 = tps6586x_read(is_v2 ? SM1_VOLTAGE_V2 : SM1_VOLTAGE_V1);
if (*sm0 == -1 || *sm1 == -1)
- return -1;
+ return -ENOTSUPP;
return 0;
}
/* write v1, v2 and rate, then trigger */
if (tps6586x_write(reg, buff, 3) ||
tps6586x_write(SUPPLY_CONTROL1, &control_bit, 1))
- return -1;
+ return -ENOTSUPP;
return 0;
}
/* get current voltage settings */
if (read_voltages(&sm0, &sm1)) {
debug("%s: Cannot read voltage settings\n", __func__);
- return -1;
+ return -EINVAL;
}
/*
if (min_sm0_over_sm1 != -1 && sm0 < sm1 + min_sm0_over_sm1) {
debug("%s: SM0 is %d, SM1 is %d, but min_sm0_over_sm1 is %d\n",
__func__, sm0, sm1, min_sm0_over_sm1);
- return -1;
+ return -EINVAL;
}
/*
}
debug("%d-%d %d-%d done\n", sm0, sm0_target, sm1, sm1_target);
- return bad ? -1 : 0;
+ return bad ? -EINVAL : 0;
}
int tps6586x_init(struct udevice *dev)