linux/drivers/platform/chrome/wilco_ec/properties.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright 2019 Google LLC
 */

#include <linux/errno.h>
#include <linux/export.h>
#include <linux/platform_data/wilco-ec.h>
#include <linux/string.h>
#include <linux/types.h>
#include <asm/unaligned.h>

/* Operation code; what the EC should do with the property */
enum ec_property_op { … };

struct ec_property_request { … } __packed;

struct ec_property_response { … } __packed;

static int send_property_msg(struct wilco_ec_device *ec,
			     struct ec_property_request *rq,
			     struct ec_property_response *rs)
{ … }

int wilco_ec_get_property(struct wilco_ec_device *ec,
			  struct wilco_ec_property_msg *prop_msg)
{ … }
EXPORT_SYMBOL_GPL(…);

int wilco_ec_set_property(struct wilco_ec_device *ec,
			  struct wilco_ec_property_msg *prop_msg)
{ … }
EXPORT_SYMBOL_GPL(…);

int wilco_ec_get_byte_property(struct wilco_ec_device *ec, u32 property_id,
			       u8 *val)
{ … }
EXPORT_SYMBOL_GPL(…);

int wilco_ec_set_byte_property(struct wilco_ec_device *ec, u32 property_id,
			       u8 val)
{ … }
EXPORT_SYMBOL_GPL(…);