linux/drivers/hid/i2c-hid/i2c-hid.h
Alistair Francis b60d3c803d HID: i2c-hid-of: Expose the touchscreen-inverted properties
Allow the touchscreen-inverted-x/y device tree properties to control the
HID_QUIRK_X_INVERT/HID_QUIRK_Y_INVERT quirks for the hid-input device.

Signed-off-by: Alistair Francis <alistair@alistair23.me>
Acked-by: Rob Herring <robh@kernel.org>
[bentiss: silence checkpatch warnings]
Signed-off-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Link: https://lore.kernel.org/r/20211208124045.61815-3-alistair@alistair23.me
2021-12-14 11:38:04 +01:00

43 lines
1.2 KiB
C

/* SPDX-License-Identifier: GPL-2.0+ */
#ifndef I2C_HID_H
#define I2C_HID_H
#include <linux/i2c.h>
#ifdef CONFIG_DMI
struct i2c_hid_desc *i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name);
char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name,
unsigned int *size);
#else
static inline struct i2c_hid_desc
*i2c_hid_get_dmi_i2c_hid_desc_override(uint8_t *i2c_name)
{ return NULL; }
static inline char *i2c_hid_get_dmi_hid_report_desc_override(uint8_t *i2c_name,
unsigned int *size)
{ return NULL; }
#endif
/**
* struct i2chid_ops - Ops provided to the core.
*
* @power_up: do sequencing to power up the device.
* @power_down: do sequencing to power down the device.
* @shutdown_tail: called at the end of shutdown.
*/
struct i2chid_ops {
int (*power_up)(struct i2chid_ops *ops);
void (*power_down)(struct i2chid_ops *ops);
void (*shutdown_tail)(struct i2chid_ops *ops);
};
int i2c_hid_core_probe(struct i2c_client *client, struct i2chid_ops *ops,
u16 hid_descriptor_address, u32 quirks);
int i2c_hid_core_remove(struct i2c_client *client);
void i2c_hid_core_shutdown(struct i2c_client *client);
extern const struct dev_pm_ops i2c_hid_core_pm;
#endif