606 lines
14 KiB
C
606 lines
14 KiB
C
/*
|
|
* Driver for the s5k83a sensor
|
|
*
|
|
* Copyright (C) 2008 Erik Andrén
|
|
* Copyright (C) 2007 Ilyes Gouta. Based on the m5603x Linux Driver Project.
|
|
* Copyright (C) 2005 m5603x Linux Driver Project <m5602@x3ng.com.br>
|
|
*
|
|
* Portions of code to USB interface and ALi driver software,
|
|
* Copyright (c) 2006 Willem Duinker
|
|
* v4l2 interface modeled after the V4L2 driver
|
|
* for SN9C10x PC Camera Controllers
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License as
|
|
* published by the Free Software Foundation, version 2.
|
|
*
|
|
*/
|
|
|
|
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
|
|
|
|
#include <linux/kthread.h>
|
|
#include "m5602_s5k83a.h"
|
|
|
|
static int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val);
|
|
static int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val);
|
|
static int s5k83a_get_brightness(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int s5k83a_set_exposure(struct gspca_dev *gspca_dev, __s32 val);
|
|
static int s5k83a_get_exposure(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int s5k83a_get_vflip(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int s5k83a_set_vflip(struct gspca_dev *gspca_dev, __s32 val);
|
|
static int s5k83a_get_hflip(struct gspca_dev *gspca_dev, __s32 *val);
|
|
static int s5k83a_set_hflip(struct gspca_dev *gspca_dev, __s32 val);
|
|
|
|
static struct v4l2_pix_format s5k83a_modes[] = {
|
|
{
|
|
640,
|
|
480,
|
|
V4L2_PIX_FMT_SBGGR8,
|
|
V4L2_FIELD_NONE,
|
|
.sizeimage =
|
|
640 * 480,
|
|
.bytesperline = 640,
|
|
.colorspace = V4L2_COLORSPACE_SRGB,
|
|
.priv = 0
|
|
}
|
|
};
|
|
|
|
static const struct ctrl s5k83a_ctrls[] = {
|
|
#define GAIN_IDX 0
|
|
{
|
|
{
|
|
.id = V4L2_CID_GAIN,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "gain",
|
|
.minimum = 0x00,
|
|
.maximum = 0xff,
|
|
.step = 0x01,
|
|
.default_value = S5K83A_DEFAULT_GAIN,
|
|
.flags = V4L2_CTRL_FLAG_SLIDER
|
|
},
|
|
.set = s5k83a_set_gain,
|
|
.get = s5k83a_get_gain
|
|
|
|
},
|
|
#define BRIGHTNESS_IDX 1
|
|
{
|
|
{
|
|
.id = V4L2_CID_BRIGHTNESS,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "brightness",
|
|
.minimum = 0x00,
|
|
.maximum = 0xff,
|
|
.step = 0x01,
|
|
.default_value = S5K83A_DEFAULT_BRIGHTNESS,
|
|
.flags = V4L2_CTRL_FLAG_SLIDER
|
|
},
|
|
.set = s5k83a_set_brightness,
|
|
.get = s5k83a_get_brightness,
|
|
},
|
|
#define EXPOSURE_IDX 2
|
|
{
|
|
{
|
|
.id = V4L2_CID_EXPOSURE,
|
|
.type = V4L2_CTRL_TYPE_INTEGER,
|
|
.name = "exposure",
|
|
.minimum = 0x00,
|
|
.maximum = S5K83A_MAXIMUM_EXPOSURE,
|
|
.step = 0x01,
|
|
.default_value = S5K83A_DEFAULT_EXPOSURE,
|
|
.flags = V4L2_CTRL_FLAG_SLIDER
|
|
},
|
|
.set = s5k83a_set_exposure,
|
|
.get = s5k83a_get_exposure
|
|
},
|
|
#define HFLIP_IDX 3
|
|
{
|
|
{
|
|
.id = V4L2_CID_HFLIP,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.name = "horizontal flip",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.step = 1,
|
|
.default_value = 0
|
|
},
|
|
.set = s5k83a_set_hflip,
|
|
.get = s5k83a_get_hflip
|
|
},
|
|
#define VFLIP_IDX 4
|
|
{
|
|
{
|
|
.id = V4L2_CID_VFLIP,
|
|
.type = V4L2_CTRL_TYPE_BOOLEAN,
|
|
.name = "vertical flip",
|
|
.minimum = 0,
|
|
.maximum = 1,
|
|
.step = 1,
|
|
.default_value = 0
|
|
},
|
|
.set = s5k83a_set_vflip,
|
|
.get = s5k83a_get_vflip
|
|
}
|
|
};
|
|
|
|
static void s5k83a_dump_registers(struct sd *sd);
|
|
static int s5k83a_get_rotation(struct sd *sd, u8 *reg_data);
|
|
static int s5k83a_set_led_indication(struct sd *sd, u8 val);
|
|
static int s5k83a_set_flip_real(struct gspca_dev *gspca_dev,
|
|
__s32 vflip, __s32 hflip);
|
|
|
|
int s5k83a_probe(struct sd *sd)
|
|
{
|
|
struct s5k83a_priv *sens_priv;
|
|
u8 prod_id = 0, ver_id = 0;
|
|
int i, err = 0;
|
|
|
|
if (force_sensor) {
|
|
if (force_sensor == S5K83A_SENSOR) {
|
|
pr_info("Forcing a %s sensor\n", s5k83a.name);
|
|
goto sensor_found;
|
|
}
|
|
/* If we want to force another sensor, don't try to probe this
|
|
* one */
|
|
return -ENODEV;
|
|
}
|
|
|
|
PDEBUG(D_PROBE, "Probing for a s5k83a sensor");
|
|
|
|
/* Preinit the sensor */
|
|
for (i = 0; i < ARRAY_SIZE(preinit_s5k83a) && !err; i++) {
|
|
u8 data[2] = {preinit_s5k83a[i][2], preinit_s5k83a[i][3]};
|
|
if (preinit_s5k83a[i][0] == SENSOR)
|
|
err = m5602_write_sensor(sd, preinit_s5k83a[i][1],
|
|
data, 2);
|
|
else
|
|
err = m5602_write_bridge(sd, preinit_s5k83a[i][1],
|
|
data[0]);
|
|
}
|
|
|
|
/* We don't know what register (if any) that contain the product id
|
|
* Just pick the first addresses that seem to produce the same results
|
|
* on multiple machines */
|
|
if (m5602_read_sensor(sd, 0x00, &prod_id, 1))
|
|
return -ENODEV;
|
|
|
|
if (m5602_read_sensor(sd, 0x01, &ver_id, 1))
|
|
return -ENODEV;
|
|
|
|
if ((prod_id == 0xff) || (ver_id == 0xff))
|
|
return -ENODEV;
|
|
else
|
|
pr_info("Detected a s5k83a sensor\n");
|
|
|
|
sensor_found:
|
|
sens_priv = kmalloc(
|
|
sizeof(struct s5k83a_priv), GFP_KERNEL);
|
|
if (!sens_priv)
|
|
return -ENOMEM;
|
|
|
|
sens_priv->settings =
|
|
kmalloc(sizeof(s32)*ARRAY_SIZE(s5k83a_ctrls), GFP_KERNEL);
|
|
if (!sens_priv->settings) {
|
|
kfree(sens_priv);
|
|
return -ENOMEM;
|
|
}
|
|
|
|
sd->gspca_dev.cam.cam_mode = s5k83a_modes;
|
|
sd->gspca_dev.cam.nmodes = ARRAY_SIZE(s5k83a_modes);
|
|
sd->desc->ctrls = s5k83a_ctrls;
|
|
sd->desc->nctrls = ARRAY_SIZE(s5k83a_ctrls);
|
|
|
|
/* null the pointer! thread is't running now */
|
|
sens_priv->rotation_thread = NULL;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(s5k83a_ctrls); i++)
|
|
sens_priv->settings[i] = s5k83a_ctrls[i].qctrl.default_value;
|
|
|
|
sd->sensor_priv = sens_priv;
|
|
return 0;
|
|
}
|
|
|
|
int s5k83a_init(struct sd *sd)
|
|
{
|
|
int i, err = 0;
|
|
s32 *sensor_settings =
|
|
((struct s5k83a_priv *) sd->sensor_priv)->settings;
|
|
|
|
for (i = 0; i < ARRAY_SIZE(init_s5k83a) && !err; i++) {
|
|
u8 data[2] = {0x00, 0x00};
|
|
|
|
switch (init_s5k83a[i][0]) {
|
|
case BRIDGE:
|
|
err = m5602_write_bridge(sd,
|
|
init_s5k83a[i][1],
|
|
init_s5k83a[i][2]);
|
|
break;
|
|
|
|
case SENSOR:
|
|
data[0] = init_s5k83a[i][2];
|
|
err = m5602_write_sensor(sd,
|
|
init_s5k83a[i][1], data, 1);
|
|
break;
|
|
|
|
case SENSOR_LONG:
|
|
data[0] = init_s5k83a[i][2];
|
|
data[1] = init_s5k83a[i][3];
|
|
err = m5602_write_sensor(sd,
|
|
init_s5k83a[i][1], data, 2);
|
|
break;
|
|
default:
|
|
pr_info("Invalid stream command, exiting init\n");
|
|
return -EINVAL;
|
|
}
|
|
}
|
|
|
|
if (dump_sensor)
|
|
s5k83a_dump_registers(sd);
|
|
|
|
err = s5k83a_set_gain(&sd->gspca_dev, sensor_settings[GAIN_IDX]);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = s5k83a_set_brightness(&sd->gspca_dev,
|
|
sensor_settings[BRIGHTNESS_IDX]);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = s5k83a_set_exposure(&sd->gspca_dev,
|
|
sensor_settings[EXPOSURE_IDX]);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = s5k83a_set_hflip(&sd->gspca_dev, sensor_settings[HFLIP_IDX]);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
err = s5k83a_set_vflip(&sd->gspca_dev, sensor_settings[VFLIP_IDX]);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int rotation_thread_function(void *data)
|
|
{
|
|
struct sd *sd = (struct sd *) data;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
u8 reg, previous_rotation = 0;
|
|
__s32 vflip, hflip;
|
|
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
while (!schedule_timeout(100)) {
|
|
if (mutex_lock_interruptible(&sd->gspca_dev.usb_lock))
|
|
break;
|
|
|
|
s5k83a_get_rotation(sd, ®);
|
|
if (previous_rotation != reg) {
|
|
previous_rotation = reg;
|
|
pr_info("Camera was flipped\n");
|
|
|
|
s5k83a_get_vflip((struct gspca_dev *) sd, &vflip);
|
|
s5k83a_get_hflip((struct gspca_dev *) sd, &hflip);
|
|
|
|
if (reg) {
|
|
vflip = !vflip;
|
|
hflip = !hflip;
|
|
}
|
|
s5k83a_set_flip_real((struct gspca_dev *) sd,
|
|
vflip, hflip);
|
|
}
|
|
|
|
mutex_unlock(&sd->gspca_dev.usb_lock);
|
|
set_current_state(TASK_INTERRUPTIBLE);
|
|
}
|
|
|
|
/* return to "front" flip */
|
|
if (previous_rotation) {
|
|
s5k83a_get_vflip((struct gspca_dev *) sd, &vflip);
|
|
s5k83a_get_hflip((struct gspca_dev *) sd, &hflip);
|
|
s5k83a_set_flip_real((struct gspca_dev *) sd, vflip, hflip);
|
|
}
|
|
|
|
sens_priv->rotation_thread = NULL;
|
|
return 0;
|
|
}
|
|
|
|
int s5k83a_start(struct sd *sd)
|
|
{
|
|
int i, err = 0;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
/* Create another thread, polling the GPIO ports of the camera to check
|
|
if it got rotated. This is how the windows driver does it so we have
|
|
to assume that there is no better way of accomplishing this */
|
|
sens_priv->rotation_thread = kthread_create(rotation_thread_function,
|
|
sd, "rotation thread");
|
|
wake_up_process(sens_priv->rotation_thread);
|
|
|
|
/* Preinit the sensor */
|
|
for (i = 0; i < ARRAY_SIZE(start_s5k83a) && !err; i++) {
|
|
u8 data[2] = {start_s5k83a[i][2], start_s5k83a[i][3]};
|
|
if (start_s5k83a[i][0] == SENSOR)
|
|
err = m5602_write_sensor(sd, start_s5k83a[i][1],
|
|
data, 2);
|
|
else
|
|
err = m5602_write_bridge(sd, start_s5k83a[i][1],
|
|
data[0]);
|
|
}
|
|
if (err < 0)
|
|
return err;
|
|
|
|
return s5k83a_set_led_indication(sd, 1);
|
|
}
|
|
|
|
int s5k83a_stop(struct sd *sd)
|
|
{
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
if (sens_priv->rotation_thread)
|
|
kthread_stop(sens_priv->rotation_thread);
|
|
|
|
return s5k83a_set_led_indication(sd, 0);
|
|
}
|
|
|
|
void s5k83a_disconnect(struct sd *sd)
|
|
{
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
s5k83a_stop(sd);
|
|
|
|
sd->sensor = NULL;
|
|
kfree(sens_priv->settings);
|
|
kfree(sens_priv);
|
|
}
|
|
|
|
static int s5k83a_get_gain(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
*val = sens_priv->settings[GAIN_IDX];
|
|
return 0;
|
|
}
|
|
|
|
static int s5k83a_set_gain(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
sens_priv->settings[GAIN_IDX] = val;
|
|
|
|
data[0] = 0x00;
|
|
data[1] = 0x20;
|
|
err = m5602_write_sensor(sd, 0x14, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data[0] = 0x01;
|
|
data[1] = 0x00;
|
|
err = m5602_write_sensor(sd, 0x0d, data, 2);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* FIXME: This is not sane, we need to figure out the composition
|
|
of these registers */
|
|
data[0] = val >> 3; /* gain, high 5 bits */
|
|
data[1] = val >> 1; /* gain, high 7 bits */
|
|
err = m5602_write_sensor(sd, S5K83A_GAIN, data, 2);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int s5k83a_get_brightness(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
*val = sens_priv->settings[BRIGHTNESS_IDX];
|
|
return 0;
|
|
}
|
|
|
|
static int s5k83a_set_brightness(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[1];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
sens_priv->settings[BRIGHTNESS_IDX] = val;
|
|
data[0] = val;
|
|
err = m5602_write_sensor(sd, S5K83A_BRIGHTNESS, data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int s5k83a_get_exposure(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
*val = sens_priv->settings[EXPOSURE_IDX];
|
|
return 0;
|
|
}
|
|
|
|
static int s5k83a_set_exposure(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 data[2];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
sens_priv->settings[EXPOSURE_IDX] = val;
|
|
data[0] = 0;
|
|
data[1] = val;
|
|
err = m5602_write_sensor(sd, S5K83A_EXPOSURE, data, 2);
|
|
return err;
|
|
}
|
|
|
|
static int s5k83a_get_vflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
*val = sens_priv->settings[VFLIP_IDX];
|
|
return 0;
|
|
}
|
|
|
|
static int s5k83a_set_flip_real(struct gspca_dev *gspca_dev,
|
|
__s32 vflip, __s32 hflip)
|
|
{
|
|
int err;
|
|
u8 data[1];
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
|
|
data[0] = 0x05;
|
|
err = m5602_write_sensor(sd, S5K83A_PAGE_MAP, data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
/* six bit is vflip, seven is hflip */
|
|
data[0] = S5K83A_FLIP_MASK;
|
|
data[0] = (vflip) ? data[0] | 0x40 : data[0];
|
|
data[0] = (hflip) ? data[0] | 0x80 : data[0];
|
|
|
|
err = m5602_write_sensor(sd, S5K83A_FLIP, data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data[0] = (vflip) ? 0x0b : 0x0a;
|
|
err = m5602_write_sensor(sd, S5K83A_VFLIP_TUNE, data, 1);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
data[0] = (hflip) ? 0x0a : 0x0b;
|
|
err = m5602_write_sensor(sd, S5K83A_HFLIP_TUNE, data, 1);
|
|
return err;
|
|
}
|
|
|
|
static int s5k83a_set_vflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 reg;
|
|
__s32 hflip;
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
sens_priv->settings[VFLIP_IDX] = val;
|
|
|
|
s5k83a_get_hflip(gspca_dev, &hflip);
|
|
|
|
err = s5k83a_get_rotation(sd, ®);
|
|
if (err < 0)
|
|
return err;
|
|
if (reg) {
|
|
val = !val;
|
|
hflip = !hflip;
|
|
}
|
|
|
|
err = s5k83a_set_flip_real(gspca_dev, val, hflip);
|
|
return err;
|
|
}
|
|
|
|
static int s5k83a_get_hflip(struct gspca_dev *gspca_dev, __s32 *val)
|
|
{
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
*val = sens_priv->settings[HFLIP_IDX];
|
|
return 0;
|
|
}
|
|
|
|
static int s5k83a_set_hflip(struct gspca_dev *gspca_dev, __s32 val)
|
|
{
|
|
int err;
|
|
u8 reg;
|
|
__s32 vflip;
|
|
struct sd *sd = (struct sd *) gspca_dev;
|
|
struct s5k83a_priv *sens_priv = sd->sensor_priv;
|
|
|
|
sens_priv->settings[HFLIP_IDX] = val;
|
|
|
|
s5k83a_get_vflip(gspca_dev, &vflip);
|
|
|
|
err = s5k83a_get_rotation(sd, ®);
|
|
if (err < 0)
|
|
return err;
|
|
if (reg) {
|
|
val = !val;
|
|
vflip = !vflip;
|
|
}
|
|
|
|
err = s5k83a_set_flip_real(gspca_dev, vflip, val);
|
|
return err;
|
|
}
|
|
|
|
static int s5k83a_set_led_indication(struct sd *sd, u8 val)
|
|
{
|
|
int err = 0;
|
|
u8 data[1];
|
|
|
|
err = m5602_read_bridge(sd, M5602_XB_GPIO_DAT, data);
|
|
if (err < 0)
|
|
return err;
|
|
|
|
if (val)
|
|
data[0] = data[0] | S5K83A_GPIO_LED_MASK;
|
|
else
|
|
data[0] = data[0] & ~S5K83A_GPIO_LED_MASK;
|
|
|
|
err = m5602_write_bridge(sd, M5602_XB_GPIO_DAT, data[0]);
|
|
|
|
return err;
|
|
}
|
|
|
|
/* Get camera rotation on Acer notebooks */
|
|
static int s5k83a_get_rotation(struct sd *sd, u8 *reg_data)
|
|
{
|
|
int err = m5602_read_bridge(sd, M5602_XB_GPIO_DAT, reg_data);
|
|
*reg_data = (*reg_data & S5K83A_GPIO_ROTATION_MASK) ? 0 : 1;
|
|
return err;
|
|
}
|
|
|
|
static void s5k83a_dump_registers(struct sd *sd)
|
|
{
|
|
int address;
|
|
u8 page, old_page;
|
|
m5602_read_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1);
|
|
|
|
for (page = 0; page < 16; page++) {
|
|
m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1);
|
|
pr_info("Dumping the s5k83a register state for page 0x%x\n",
|
|
page);
|
|
for (address = 0; address <= 0xff; address++) {
|
|
u8 val = 0;
|
|
m5602_read_sensor(sd, address, &val, 1);
|
|
pr_info("register 0x%x contains 0x%x\n", address, val);
|
|
}
|
|
}
|
|
pr_info("s5k83a register state dump complete\n");
|
|
|
|
for (page = 0; page < 16; page++) {
|
|
m5602_write_sensor(sd, S5K83A_PAGE_MAP, &page, 1);
|
|
pr_info("Probing for which registers that are read/write for page 0x%x\n",
|
|
page);
|
|
for (address = 0; address <= 0xff; address++) {
|
|
u8 old_val, ctrl_val, test_val = 0xff;
|
|
|
|
m5602_read_sensor(sd, address, &old_val, 1);
|
|
m5602_write_sensor(sd, address, &test_val, 1);
|
|
m5602_read_sensor(sd, address, &ctrl_val, 1);
|
|
|
|
if (ctrl_val == test_val)
|
|
pr_info("register 0x%x is writeable\n",
|
|
address);
|
|
else
|
|
pr_info("register 0x%x is read only\n",
|
|
address);
|
|
|
|
/* Restore original val */
|
|
m5602_write_sensor(sd, address, &old_val, 1);
|
|
}
|
|
}
|
|
pr_info("Read/write register probing complete\n");
|
|
m5602_write_sensor(sd, S5K83A_PAGE_MAP, &old_page, 1);
|
|
}
|