36 lines
705 B
C
36 lines
705 B
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include "pr.h"
|
|
|
|
#include <linux/bug.h>
|
|
#include <linux/device.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/platform_device.h>
|
|
|
|
#include "ec.h"
|
|
#include "misc.h"
|
|
#include "util.h"
|
|
|
|
/* ========================================================================== */
|
|
|
|
int ac71_fn_lock_get_state(void)
|
|
{
|
|
int status = ec_read_byte(BIOS_CTRL_1_ADDR);
|
|
|
|
if (status < 0)
|
|
return status;
|
|
|
|
return !!(status & BIOS_CTRL_1_FN_LOCK_STATUS);
|
|
}
|
|
|
|
int ac71_fn_lock_set_state(bool state)
|
|
{
|
|
int status = ec_read_byte(BIOS_CTRL_1_ADDR);
|
|
|
|
if (status < 0)
|
|
return status;
|
|
|
|
status = SET_BIT(status, BIOS_CTRL_1_FN_LOCK_STATUS, state);
|
|
|
|
return ec_write_byte(BIOS_CTRL_1_ADDR, status);
|
|
}
|