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Commit f3fb0011 authored by Jonathan Cameron's avatar Jonathan Cameron Committed by Greg Kroah-Hartman
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iio:staging:accelerometers move towards the new abi 

Signed-off-by: default avatarJonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
parent ff7723e2
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Showing with 262 additions and 232 deletions
drivers/staging/iio/accel/accel.h
View file @ f3fb0011
......@@ -2,7 +2,6 @@
#include "../sysfs.h"
/* Accelerometer types of attribute */
#define IIO_DEV_ATTR_ACCEL_X_OFFSET(_mode, _show, _store, _addr) \
IIO_DEVICE_ATTR(accel_x_offset, _mode, _show, _store, _addr)
......@@ -22,13 +21,13 @@
IIO_DEVICE_ATTR(accel_z_gain, _mode, _show, _store, _addr)
#define IIO_DEV_ATTR_ACCEL_X(_show, _addr) \
IIO_DEVICE_ATTR(accel_x, S_IRUGO, _show, NULL, _addr)
IIO_DEVICE_ATTR(accel_x_raw, S_IRUGO, _show, NULL, _addr)
#define IIO_DEV_ATTR_ACCEL_Y(_show, _addr) \
IIO_DEVICE_ATTR(accel_y, S_IRUGO, _show, NULL, _addr)
IIO_DEVICE_ATTR(accel_y_raw, S_IRUGO, _show, NULL, _addr)
#define IIO_DEV_ATTR_ACCEL_Z(_show, _addr) \
IIO_DEVICE_ATTR(accel_z, S_IRUGO, _show, NULL, _addr)
IIO_DEVICE_ATTR(accel_z_raw, S_IRUGO, _show, NULL, _addr)
/* Thresholds are somewhat chip dependent - may need quite a few defs here */
/* For unified thresholds (shared across all directions */
......@@ -61,7 +60,6 @@
#define IIO_DEV_ATTR_ACCEL_THRESH_Z(_mode, _show, _store, _addr) \
IIO_DEVICE_ATTR(thresh_accel_z, _mode, _show, _store, _addr)
/**
* IIO_EVENT_ATTR_ACCEL_X_HIGH: threshold event, x acceleration
* @_show: read x acceleration high threshold
......
drivers/staging/iio/accel/kxsd9.c
View file @ f3fb0011
......@@ -26,6 +26,7 @@
#include <linux/rtc.h>
#include <linux/delay.h>
#include <linux/slab.h>
#include <linux/string.h>
#include "../iio.h"
#include "../sysfs.h"
......@@ -51,8 +52,10 @@
#define KXSD9_READ(a) (0x80 | (a))
#define KXSD9_WRITE(a) (a)
#define IIO_DEV_ATTR_ACCEL_SET_RANGE(_mode, _show, _store) \
IIO_DEVICE_ATTR(accel_range, _mode, _show, _store, 0)
#define KXSD9_SCALE_2G "0.011978"
#define KXSD9_SCALE_4G "0.023927"
#define KXSD9_SCALE_6G "0.035934"
#define KXSD9_SCALE_8G "0.047853"
#define KXSD9_STATE_RX_SIZE 2
#define KXSD9_STATE_TX_SIZE 4
......@@ -73,7 +76,7 @@ struct kxsd9_state {
};
/* This may want to move to mili g to allow for non integer ranges */
static ssize_t kxsd9_read_accel_range(struct device *dev,
static ssize_t kxsd9_read_scale(struct device *dev,
struct device_attribute *attr,
char *buf)
{
......@@ -101,16 +104,16 @@ static ssize_t kxsd9_read_accel_range(struct device *dev,
switch (st->rx[1] & KXSD9_FS_MASK) {
case KXSD9_FS_8:
len += sprintf(buf, "8\n");
len += sprintf(buf, "%s\n", KXSD9_SCALE_8G);
break;
case KXSD9_FS_6:
len += sprintf(buf, "6\n");
len += sprintf(buf, "%s\n", KXSD9_SCALE_6G);
break;
case KXSD9_FS_4:
len += sprintf(buf, "4\n");
len += sprintf(buf, "%s\n", KXSD9_SCALE_4G);
break;
case KXSD9_FS_2:
len += sprintf(buf, "2\n");
len += sprintf(buf, "%s\n", KXSD9_SCALE_2G);
break;
}
......@@ -119,12 +122,12 @@ static ssize_t kxsd9_read_accel_range(struct device *dev,
return ret ? ret : len;
}
static ssize_t kxsd9_write_accel_range(struct device *dev,
static ssize_t kxsd9_write_scale(struct device *dev,
struct device_attribute *attr,
const char *buf,
size_t len)
{
long readin;
struct spi_message msg;
int ret;
struct iio_dev *indio_dev = dev_get_drvdata(dev);
......@@ -145,25 +148,25 @@ static ssize_t kxsd9_write_accel_range(struct device *dev,
},
};
ret = strict_strtol(buf, 10, &readin);
if (ret)
return ret;
switch (readin) {
case 8:
if (!strncmp(buf, KXSD9_SCALE_8G,
strlen(buf) < strlen(KXSD9_SCALE_8G)
? strlen(buf) : strlen(KXSD9_SCALE_8G)))
val = KXSD9_FS_8;
break;
case 6:
else if (!strncmp(buf, KXSD9_SCALE_6G,
strlen(buf) < strlen(KXSD9_SCALE_6G)
? strlen(buf) : strlen(KXSD9_SCALE_6G)))
val = KXSD9_FS_6;
break;
case 4:
else if (!strncmp(buf, KXSD9_SCALE_4G,
strlen(buf) < strlen(KXSD9_SCALE_4G)
? strlen(buf) : strlen(KXSD9_SCALE_4G)))
val = KXSD9_FS_4;
break;
case 2:
else if (!strncmp(buf, KXSD9_SCALE_2G,
strlen(buf) < strlen(KXSD9_SCALE_2G)
? strlen(buf) : strlen(KXSD9_SCALE_2G)))
val = KXSD9_FS_2;
break;
default:
else
return -EINVAL;
}
mutex_lock(&st->buf_lock);
st->tx[0] = KXSD9_READ(KXSD9_REG_CTRL_C);
st->tx[1] = 0;
......@@ -182,6 +185,7 @@ static ssize_t kxsd9_write_accel_range(struct device *dev,
mutex_unlock(&st->buf_lock);
return ret ? ret : len;
}
static ssize_t kxsd9_read_accel(struct device *dev,
struct device_attribute *attr,
char *buf)
......@@ -227,17 +231,27 @@ static ssize_t kxsd9_read_accel(struct device *dev,
static IIO_DEV_ATTR_ACCEL_X(kxsd9_read_accel, KXSD9_REG_X);
static IIO_DEV_ATTR_ACCEL_Y(kxsd9_read_accel, KXSD9_REG_Y);
static IIO_DEV_ATTR_ACCEL_Z(kxsd9_read_accel, KXSD9_REG_Z);
static IIO_DEV_ATTR_ADC(0, kxsd9_read_accel, KXSD9_REG_AUX);
static IIO_DEV_ATTR_ACCEL_SET_RANGE(S_IRUGO | S_IWUSR,
kxsd9_read_accel_range,
kxsd9_write_accel_range);
static IIO_DEV_ATTR_IN_RAW(0, kxsd9_read_accel, KXSD9_REG_AUX);
static IIO_DEVICE_ATTR(accel_scale,
S_IRUGO | S_IWUSR,
kxsd9_read_scale,
kxsd9_write_scale,
0);
static IIO_CONST_ATTR(accel_scale_available,
KXSD9_SCALE_2G " "
KXSD9_SCALE_4G " "
KXSD9_SCALE_6G " "
KXSD9_SCALE_8G);
static struct attribute *kxsd9_attributes[] = {
&iio_dev_attr_accel_x.dev_attr.attr,
&iio_dev_attr_accel_y.dev_attr.attr,
&iio_dev_attr_accel_z.dev_attr.attr,
&iio_dev_attr_adc_0.dev_attr.attr,
&iio_dev_attr_accel_range.dev_attr.attr,
&iio_dev_attr_accel_x_raw.dev_attr.attr,
&iio_dev_attr_accel_y_raw.dev_attr.attr,
&iio_dev_attr_accel_z_raw.dev_attr.attr,
&iio_dev_attr_in0_raw.dev_attr.attr,
&iio_dev_attr_accel_scale.dev_attr.attr,
&iio_const_attr_accel_scale_available.dev_attr.attr,
NULL,
};
......
drivers/staging/iio/accel/lis3l02dq.h
View file @ f3fb0011
......@@ -179,10 +179,6 @@ int lis3l02dq_spi_read_reg_8(struct device *dev,
int lis3l02dq_spi_write_reg_8(struct device *dev,
u8 reg_address,
u8 *val);
#define LIS3L02DQ_SCAN_ACC_X 0
#define LIS3L02DQ_SCAN_ACC_Y 1
#define LIS3L02DQ_SCAN_ACC_Z 2
#ifdef CONFIG_IIO_RING_BUFFER
/* At the moment triggers are only used for ring buffer
......
drivers/staging/iio/accel/lis3l02dq_core.c
View file @ f3fb0011
......@@ -458,41 +458,39 @@ static int lis3l02dq_initial_setup(struct lis3l02dq_state *st)
return ret;
}
static IIO_DEV_ATTR_ACCEL_X_OFFSET(S_IWUSR | S_IRUGO,
lis3l02dq_read_signed,
lis3l02dq_write_signed,
#define LIS3L02DQ_SIGNED_ATTR(name, reg) \
IIO_DEVICE_ATTR(name, \
S_IWUSR | S_IRUGO, \
lis3l02dq_read_signed, \
lis3l02dq_write_signed, \
reg);
#define LIS3L02DQ_UNSIGNED_ATTR(name, reg) \
IIO_DEVICE_ATTR(name, \
S_IWUSR | S_IRUGO, \
lis3l02dq_read_unsigned, \
lis3l02dq_write_unsigned, \
reg);
static LIS3L02DQ_SIGNED_ATTR(accel_x_calibbias,
LIS3L02DQ_REG_OFFSET_X_ADDR);
static IIO_DEV_ATTR_ACCEL_Y_OFFSET(S_IWUSR | S_IRUGO,
lis3l02dq_read_signed,
lis3l02dq_write_signed,
static LIS3L02DQ_SIGNED_ATTR(accel_y_calibbias,
LIS3L02DQ_REG_OFFSET_Y_ADDR);
static IIO_DEV_ATTR_ACCEL_Z_OFFSET(S_IWUSR | S_IRUGO,
lis3l02dq_read_signed,
lis3l02dq_write_signed,
static LIS3L02DQ_SIGNED_ATTR(accel_z_calibbias,
LIS3L02DQ_REG_OFFSET_Z_ADDR);
static IIO_DEV_ATTR_ACCEL_X_GAIN(S_IWUSR | S_IRUGO,
lis3l02dq_read_unsigned,
lis3l02dq_write_unsigned,
static LIS3L02DQ_UNSIGNED_ATTR(accel_x_calibscale,
LIS3L02DQ_REG_GAIN_X_ADDR);
static IIO_DEV_ATTR_ACCEL_Y_GAIN(S_IWUSR | S_IRUGO,
lis3l02dq_read_unsigned,
lis3l02dq_write_unsigned,
static LIS3L02DQ_UNSIGNED_ATTR(accel_y_calibscale,
LIS3L02DQ_REG_GAIN_Y_ADDR);
static IIO_DEV_ATTR_ACCEL_Z_GAIN(S_IWUSR | S_IRUGO,
lis3l02dq_read_unsigned,
lis3l02dq_write_unsigned,
static LIS3L02DQ_UNSIGNED_ATTR(accel_z_calibscale,
LIS3L02DQ_REG_GAIN_Z_ADDR);
static IIO_DEV_ATTR_ACCEL_THRESH(S_IWUSR | S_IRUGO,
static IIO_DEVICE_ATTR(accel_mag_either_rising_value,
S_IWUSR | S_IRUGO,
lis3l02dq_read_16bit_signed,
lis3l02dq_write_16bit_signed,
LIS3L02DQ_REG_THS_L_ADDR);
/* RFC The reading method for these will change depending on whether
* ring buffer capture is in use. Is it worth making these take two
* functions and let the core handle which to call, or leave as in this
......@@ -512,7 +510,7 @@ static IIO_DEV_ATTR_SAMP_FREQ(S_IWUSR | S_IRUGO,
lis3l02dq_read_frequency,
lis3l02dq_write_frequency);
static IIO_CONST_ATTR_AVAIL_SAMP_FREQ("280 560 1120 4480");
static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("280 560 1120 4480");
static ssize_t lis3l02dq_read_interrupt_config(struct device *dev,
struct device_attribute *attr,
......@@ -522,7 +520,7 @@ static ssize_t lis3l02dq_read_interrupt_config(struct device *dev,
s8 val;
struct iio_event_attr *this_attr = to_iio_event_attr(attr);
ret = lis3l02dq_spi_read_reg_8(dev,
ret = lis3l02dq_spi_read_reg_8(dev->parent,
LIS3L02DQ_REG_WAKE_UP_CFG_ADDR,
(u8 *)&val);
......@@ -545,7 +543,7 @@ static ssize_t lis3l02dq_write_interrupt_config(struct device *dev,
mutex_lock(&indio_dev->mlock);
/* read current value */
ret = lis3l02dq_spi_read_reg_8(dev,
ret = lis3l02dq_spi_read_reg_8(dev->parent,
LIS3L02DQ_REG_WAKE_UP_CFG_ADDR,
&valold);
if (ret)
......@@ -618,7 +616,7 @@ static int lis3l02dq_thresh_handler_th(struct iio_dev *dev_info,
static void lis3l02dq_thresh_handler_bh_no_check(struct work_struct *work_s)
{
struct iio_work_cont *wc
= container_of(work_s, struct iio_work_cont, ws_nocheck);
= container_of(work_s, struct iio_work_cont, ws);
struct lis3l02dq_state *st = wc->st;
u8 t;
......@@ -668,43 +666,51 @@ static void lis3l02dq_thresh_handler_bh_no_check(struct work_struct *work_s)
/* A shared handler for a number of threshold types */
IIO_EVENT_SH(threshold, &lis3l02dq_thresh_handler_th);
IIO_EVENT_ATTR_ACCEL_X_HIGH_SH(iio_event_threshold,
IIO_EVENT_ATTR_SH(accel_x_mag_pos_rising_en,
iio_event_threshold,
lis3l02dq_read_interrupt_config,
lis3l02dq_write_interrupt_config,
LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_X_HIGH);
IIO_EVENT_ATTR_ACCEL_Y_HIGH_SH(iio_event_threshold,
IIO_EVENT_ATTR_SH(accel_y_mag_pos_rising_en,
iio_event_threshold,
lis3l02dq_read_interrupt_config,
lis3l02dq_write_interrupt_config,
LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Y_HIGH);
IIO_EVENT_ATTR_ACCEL_Z_HIGH_SH(iio_event_threshold,
IIO_EVENT_ATTR_SH(accel_z_mag_pos_rising_en,
iio_event_threshold,
lis3l02dq_read_interrupt_config,
lis3l02dq_write_interrupt_config,
LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Z_HIGH);
IIO_EVENT_ATTR_ACCEL_X_LOW_SH(iio_event_threshold,
IIO_EVENT_ATTR_SH(accel_x_mag_neg_rising_en,
iio_event_threshold,
lis3l02dq_read_interrupt_config,
lis3l02dq_write_interrupt_config,
LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_X_LOW);
IIO_EVENT_ATTR_ACCEL_Y_LOW_SH(iio_event_threshold,
IIO_EVENT_ATTR_SH(accel_y_mag_neg_rising_en,
iio_event_threshold,
lis3l02dq_read_interrupt_config,
lis3l02dq_write_interrupt_config,
LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Y_LOW);
IIO_EVENT_ATTR_ACCEL_Z_LOW_SH(iio_event_threshold,
IIO_EVENT_ATTR_SH(accel_z_mag_neg_rising_en,
iio_event_threshold,
lis3l02dq_read_interrupt_config,
lis3l02dq_write_interrupt_config,
LIS3L02DQ_REG_WAKE_UP_CFG_INTERRUPT_Z_LOW);
static struct attribute *lis3l02dq_event_attributes[] = {
&iio_event_attr_accel_x_high.dev_attr.attr,
&iio_event_attr_accel_y_high.dev_attr.attr,
&iio_event_attr_accel_z_high.dev_attr.attr,
&iio_event_attr_accel_x_low.dev_attr.attr,
&iio_event_attr_accel_y_low.dev_attr.attr,
&iio_event_attr_accel_z_low.dev_attr.attr,
&iio_event_attr_accel_x_mag_pos_rising_en.dev_attr.attr,
&iio_event_attr_accel_y_mag_pos_rising_en.dev_attr.attr,
&iio_event_attr_accel_z_mag_pos_rising_en.dev_attr.attr,
&iio_event_attr_accel_x_mag_neg_rising_en.dev_attr.attr,
&iio_event_attr_accel_y_mag_neg_rising_en.dev_attr.attr,
&iio_event_attr_accel_z_mag_neg_rising_en.dev_attr.attr,
&iio_dev_attr_accel_mag_either_rising_value.dev_attr.attr,
NULL
};
......@@ -713,20 +719,21 @@ static struct attribute_group lis3l02dq_event_attribute_group = {
};
static IIO_CONST_ATTR(name, "lis3l02dq");
static IIO_CONST_ATTR(accel_scale, "0.00958");
static struct attribute *lis3l02dq_attributes[] = {
&iio_dev_attr_accel_x_offset.dev_attr.attr,
&iio_dev_attr_accel_y_offset.dev_attr.attr,
&iio_dev_attr_accel_z_offset.dev_attr.attr,
&iio_dev_attr_accel_x_gain.dev_attr.attr,
&iio_dev_attr_accel_y_gain.dev_attr.attr,
&iio_dev_attr_accel_z_gain.dev_attr.attr,
&iio_dev_attr_thresh.dev_attr.attr,
&iio_dev_attr_accel_x.dev_attr.attr,
&iio_dev_attr_accel_y.dev_attr.attr,
&iio_dev_attr_accel_z.dev_attr.attr,
&iio_dev_attr_accel_x_calibbias.dev_attr.attr,
&iio_dev_attr_accel_y_calibbias.dev_attr.attr,
&iio_dev_attr_accel_z_calibbias.dev_attr.attr,
&iio_dev_attr_accel_x_calibscale.dev_attr.attr,
&iio_dev_attr_accel_y_calibscale.dev_attr.attr,
&iio_dev_attr_accel_z_calibscale.dev_attr.attr,
&iio_const_attr_accel_scale.dev_attr.attr,
&iio_dev_attr_accel_x_raw.dev_attr.attr,
&iio_dev_attr_accel_y_raw.dev_attr.attr,
&iio_dev_attr_accel_z_raw.dev_attr.attr,
&iio_dev_attr_sampling_frequency.dev_attr.attr,
&iio_const_attr_available_sampling_frequency.dev_attr.attr,
&iio_const_attr_sampling_frequency_available.dev_attr.attr,
&iio_const_attr_name.dev_attr.attr,
NULL
};
......
drivers/staging/iio/accel/lis3l02dq_ring.c
View file @ f3fb0011
......@@ -75,16 +75,16 @@ static int lis3l02dq_scan_el_set_state(struct iio_scan_el *scan_el,
return ret;
}
static IIO_SCAN_EL_C(accel_x, LIS3L02DQ_SCAN_ACC_X, IIO_SIGNED(16),
static IIO_SCAN_EL_C(accel_x, 0, IIO_SIGNED(16),
LIS3L02DQ_REG_OUT_X_L_ADDR,
&lis3l02dq_scan_el_set_state);
static IIO_SCAN_EL_C(accel_y, LIS3L02DQ_SCAN_ACC_Y, IIO_SIGNED(16),
static IIO_SCAN_EL_C(accel_y, 1, IIO_SIGNED(16),
LIS3L02DQ_REG_OUT_Y_L_ADDR,
&lis3l02dq_scan_el_set_state);
static IIO_SCAN_EL_C(accel_z, LIS3L02DQ_SCAN_ACC_Z, IIO_SIGNED(16),
static IIO_SCAN_EL_C(accel_z, 2, IIO_SIGNED(16),
LIS3L02DQ_REG_OUT_Z_L_ADDR,
&lis3l02dq_scan_el_set_state);
static IIO_SCAN_EL_TIMESTAMP;
static IIO_SCAN_EL_TIMESTAMP(3);
static struct attribute *lis3l02dq_scan_el_attrs[] = {
&iio_scan_el_accel_x.dev_attr.attr,
......
drivers/staging/iio/accel/sca3000.h
View file @ f3fb0011
......@@ -187,6 +187,7 @@ struct sca3000_state {
/**
* struct sca3000_chip_info - model dependant parameters
* @name: model identification
* @scale: string containing floating point scale factor
* @temp_output: some devices have temperature sensors.
* @measurement_mode_freq: normal mode sampling frequency
* @option_mode_1: first optional mode. Not all models have one
......@@ -199,6 +200,7 @@ struct sca3000_state {
**/
struct sca3000_chip_info {
const char *name;
const char *scale;
bool temp_output;
int measurement_mode_freq;
int option_mode_1;
......
drivers/staging/iio/accel/sca3000_core.c
View file @ f3fb0011
This diff is collapsed.
drivers/staging/iio/accel/sca3000_ring.c
View file @ f3fb0011
......@@ -186,11 +186,29 @@ static ssize_t sca3000_store_ring_bpse(struct device *dev,
return ret ? ret : len;
}
static IIO_CONST_ATTR(bpse_available, "8 11");
static IIO_DEV_ATTR_BPSE(S_IRUGO | S_IWUSR,
static IIO_SCAN_EL_C(accel_x, 0, 0, 0, 0);
static IIO_SCAN_EL_C(accel_y, 1, 0, 0, 0);
static IIO_SCAN_EL_C(accel_z, 2, 0, 0, 0);
static IIO_CONST_ATTR(accel_precision_available, "8 11");
static IIO_DEVICE_ATTR(accel_precision,
S_IRUGO | S_IWUSR,
sca3000_show_ring_bpse,
sca3000_store_ring_bpse);
sca3000_store_ring_bpse,
0);
static struct attribute *sca3000_scan_el_attrs[] = {
&iio_scan_el_accel_x.dev_attr.attr,
&iio_scan_el_accel_y.dev_attr.attr,
&iio_scan_el_accel_z.dev_attr.attr,
&iio_const_attr_accel_precision_available.dev_attr.attr,
&iio_dev_attr_accel_precision.dev_attr.attr,
NULL
};
static struct attribute_group sca3000_scan_el_group = {
.attrs = sca3000_scan_el_attrs,
.name = "scan_elements",
};
/*
* Ring buffer attributes
......@@ -198,17 +216,15 @@ static IIO_DEV_ATTR_BPSE(S_IRUGO | S_IWUSR,
* only apply to the ring buffer. At all times full rate and accuracy
* is available via direct reading from registers.
*/
static struct attribute *iio_ring_attributes[] = {
static struct attribute *sca3000_ring_attributes[] = {
&dev_attr_length.attr,
&dev_attr_bps.attr,
&dev_attr_ring_enable.attr,
&iio_dev_attr_bpse.dev_attr.attr,
&iio_const_attr_bpse_available.dev_attr.attr,
NULL,
};
static struct attribute_group sca3000_ring_attr = {
.attrs = iio_ring_attributes,
.attrs = sca3000_ring_attributes,
};
static const struct attribute_group *sca3000_ring_attr_groups[] = {
......@@ -248,6 +264,7 @@ static inline void sca3000_rb_free(struct iio_ring_buffer *r)
int sca3000_configure_ring(struct iio_dev *indio_dev)
{
indio_dev->scan_el_attrs = &sca3000_scan_el_group;
indio_dev->ring = sca3000_rb_allocate(indio_dev);
if (indio_dev->ring == NULL)
return -ENOMEM;
......
drivers/staging/iio/ring_generic.h
View file @ f3fb0011
......@@ -248,9 +248,9 @@ ssize_t iio_scan_el_ts_show(struct device *dev, struct device_attribute *attr,
*
* Odd one out. Handled slightly differently from other scan elements.
**/
#define IIO_SCAN_EL_TIMESTAMP \
#define IIO_SCAN_EL_TIMESTAMP(number) \
struct iio_scan_el iio_scan_el_timestamp = { \
.dev_attr = __ATTR(scan_en_timestamp, \
.dev_attr = __ATTR(number##_timestamp_en, \
S_IRUGO | S_IWUSR, \
iio_scan_el_ts_show, \
iio_scan_el_ts_store), \
......
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