android_kernel_samsung_msm8976/sound/soc/codecs/wsa881x-temp-sensor.h
Vidyakumar Athota 62ae43fd0f ASoC: wsa881x: export wsa881x_get_temp API
Export wsa881x_get_temp() API from wsa temperature sensor driver
so that wsa881x driver can update the register values based on the
temperature read.

Change-Id: I2fc1298ce9ce896180af202e5f23e39b0dd551ca
Signed-off-by: Vidyakumar Athota <vathota@codeaurora.org>
2015-10-07 19:05:06 -07:00

39 lines
1.2 KiB
C

/* Copyright (c) 2015, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* 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.
*/
#ifndef WSA881X_TEMP_SENSOR_H
#define WSA881X_TEMP_SENSOR_H
#include <linux/thermal.h>
#include <sound/soc.h>
struct wsa_temp_register {
u8 d1_msb;
u8 d1_lsb;
u8 d2_msb;
u8 d2_lsb;
u8 dmeas_msb;
u8 dmeas_lsb;
};
typedef int32_t (*wsa_temp_register_read)(struct snd_soc_codec *codec,
struct wsa_temp_register *wsa_temp_reg);
struct wsa881x_tz_priv {
struct thermal_zone_device *tz_dev;
struct snd_soc_codec *codec;
struct wsa_temp_register *wsa_temp_reg;
char name[80];
wsa_temp_register_read wsa_temp_reg_read;
};
int wsa881x_get_temp(struct thermal_zone_device *tz_dev, unsigned long *temp);
int wsa881x_init_thermal(struct wsa881x_tz_priv *tz_pdata);
void wsa881x_deinit_thermal(struct thermal_zone_device *tz_dev);
#endif