Release 4.17 drivers/staging/iio/meter/ade7753.c

/*
 * ADE7753 Single-Phase Multifunction Metering IC with di/dt Sensor Interface
 *
 * Copyright 2010 Analog Devices Inc.
 *
 * Licensed under the GPL-2 or later.
 */

#include <linux/delay.h>
#include <linux/device.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/spi/spi.h>
#include "meter.h"


#define ADE7753_WAVEFORM   0x01

#define ADE7753_AENERGY    0x02

#define ADE7753_RAENERGY   0x03

#define ADE7753_LAENERGY   0x04

#define ADE7753_VAENERGY   0x05

#define ADE7753_RVAENERGY  0x06

#define ADE7753_LVAENERGY  0x07

#define ADE7753_LVARENERGY 0x08

#define ADE7753_MODE       0x09

#define ADE7753_IRQEN      0x0A

#define ADE7753_STATUS     0x0B

#define ADE7753_RSTSTATUS  0x0C

#define ADE7753_CH1OS      0x0D

#define ADE7753_CH2OS      0x0E

#define ADE7753_GAIN       0x0F

#define ADE7753_PHCAL      0x10

#define ADE7753_APOS       0x11

#define ADE7753_WGAIN      0x12

#define ADE7753_WDIV       0x13

#define ADE7753_CFNUM      0x14

#define ADE7753_CFDEN      0x15

#define ADE7753_IRMS       0x16

#define ADE7753_VRMS       0x17

#define ADE7753_IRMSOS     0x18

#define ADE7753_VRMSOS     0x19

#define ADE7753_VAGAIN     0x1A

#define ADE7753_VADIV      0x1B

#define ADE7753_LINECYC    0x1C

#define ADE7753_ZXTOUT     0x1D

#define ADE7753_SAGCYC     0x1E

#define ADE7753_SAGLVL     0x1F

#define ADE7753_IPKLVL     0x20

#define ADE7753_VPKLVL     0x21

#define ADE7753_IPEAK      0x22

#define ADE7753_RSTIPEAK   0x23

#define ADE7753_VPEAK      0x24

#define ADE7753_RSTVPEAK   0x25

#define ADE7753_TEMP       0x26

#define ADE7753_PERIOD     0x27

#define ADE7753_TMODE      0x3D

#define ADE7753_CHKSUM     0x3E

#define ADE7753_DIEREV     0x3F


#define ADE7753_READ_REG(a)    a

#define ADE7753_WRITE_REG(a) ((a) | 0x80)


#define ADE7753_MAX_TX    4

#define ADE7753_MAX_RX    4

#define ADE7753_STARTUP_DELAY 1000


#define ADE7753_SPI_SLOW    (u32)(300 * 1000)

#define ADE7753_SPI_BURST   (u32)(1000 * 1000)

#define ADE7753_SPI_FAST    (u32)(2000 * 1000)

/**
 * struct ade7753_state - device instance specific data
 * @us:         actual spi_device
 * @tx:         transmit buffer
 * @rx:         receive buffer
 * @buf_lock:       mutex to protect tx, rx and write frequency
 **/

struct ade7753_state {
	
struct spi_device   *us;
	
struct mutex        buf_lock;
	
u8          tx[ADE7753_MAX_TX] ____cacheline_aligned;
	
u8          rx[ADE7753_MAX_RX];
};



static int ade7753_spi_write_reg_8(struct device *dev,
				   u8 reg_address,
				   u8 val)
{
	int ret;
	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
	struct ade7753_state *st = iio_priv(indio_dev);

	mutex_lock(&st->buf_lock);
	st->tx[0] = ADE7753_WRITE_REG(reg_address);
	st->tx[1] = val;

	ret = spi_write(st->us, st->tx, 2);
	mutex_unlock(&st->buf_lock);

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
92
96.84%
1
25.00%
Jonathan Cameron
2
2.11%
2
50.00%
Lars-Peter Clausen
1
1.05%
1
25.00%
Total
95
100.00%
4
100.00%



static int __ade7753_spi_write_reg_16(struct device *dev, u8 reg_address,
				      u16 value)
{
	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
	struct ade7753_state *st = iio_priv(indio_dev);

	st->tx[0] = ADE7753_WRITE_REG(reg_address);
	st->tx[1] = (value >> 8) & 0xFF;
	st->tx[2] = value & 0xFF;

	return spi_write(st->us, st->tx, 3);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
77
86.52%
1
20.00%
Jonathan Cameron
7
7.87%
2
40.00%
Himanshi Jain
4
4.49%
1
20.00%
Lars-Peter Clausen
1
1.12%
1
20.00%
Total
89
100.00%
5
100.00%



static int ade7753_spi_write_reg_16(struct device *dev, u8 reg_address,
				    u16 value)
{
	int ret;
	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
	struct ade7753_state *st = iio_priv(indio_dev);

	mutex_lock(&st->buf_lock);
	ret = __ade7753_spi_write_reg_16(dev, reg_address, value);
	mutex_unlock(&st->buf_lock);

	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Himanshi Jain
57
81.43%
1
50.00%
Barry Song
13
18.57%
1
50.00%
Total
70
100.00%
2
100.00%



static int ade7753_spi_read_reg_8(struct device *dev,
				  u8 reg_address,
				  u8 *val)
{
	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
	struct ade7753_state *st = iio_priv(indio_dev);
	ssize_t ret;

	ret = spi_w8r8(st->us, ADE7753_READ_REG(reg_address));
	if (ret < 0) {
		dev_err(&st->us->dev, "problem when reading 8 bit register 0x%02X",
			reg_address);
		return ret;
	}
	*val = ret;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
74
84.09%
1
25.00%
Jonathan Cameron
13
14.77%
2
50.00%
Lars-Peter Clausen
1
1.14%
1
25.00%
Total
88
100.00%
4
100.00%



static int ade7753_spi_read_reg_16(struct device *dev,
				   u8 reg_address,
				   u16 *val)
{
	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
	struct ade7753_state *st = iio_priv(indio_dev);
	ssize_t ret;

	ret = spi_w8r16be(st->us, ADE7753_READ_REG(reg_address));
	if (ret < 0) {
		dev_err(&st->us->dev, "problem when reading 16 bit register 0x%02X",
			reg_address);
		return ret;
	}

	*val = ret;

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
74
84.09%
1
20.00%
Jonathan Cameron
12
13.64%
2
40.00%
Lars-Peter Clausen
2
2.27%
2
40.00%
Total
88
100.00%
5
100.00%



static int ade7753_spi_read_reg_24(struct device *dev,
				   u8 reg_address,
				   u32 *val)
{
	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
	struct ade7753_state *st = iio_priv(indio_dev);
	int ret;
	struct spi_transfer xfers[] = {
		{
			.tx_buf = st->tx,
			.bits_per_word = 8,
			.len = 1,
                }, {
			.rx_buf = st->tx,
			.bits_per_word = 8,
			.len = 3,
                }
	};

	mutex_lock(&st->buf_lock);
	st->tx[0] = ADE7753_READ_REG(reg_address);

	ret = spi_sync_transfer(st->us, xfers, ARRAY_SIZE(xfers));
	if (ret) {
		dev_err(&st->us->dev, "problem when reading 24 bit register 0x%02X",
			reg_address);
		goto error_ret;
	}
	*val = (st->rx[0] << 16) | (st->rx[1] << 8) | st->rx[2];

error_ret:
	mutex_unlock(&st->buf_lock);
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
163
85.79%
1
20.00%
Jonathan Cameron
19
10.00%
2
40.00%
Lars-Peter Clausen
8
4.21%
2
40.00%
Total
190
100.00%
5
100.00%



static ssize_t ade7753_read_8bit(struct device *dev,
				 struct device_attribute *attr,
				 char *buf)
{
	int ret;
	u8 val;
	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);

	ret = ade7753_spi_read_reg_8(dev, this_attr->address, &val);
	if (ret)
		return ret;

	return sprintf(buf, "%u\n", val);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
67
100.00%
1
100.00%
Total
67
100.00%
1
100.00%



static ssize_t ade7753_read_16bit(struct device *dev,
				  struct device_attribute *attr,
				  char *buf)
{
	int ret;
	u16 val;
	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);

	ret = ade7753_spi_read_reg_16(dev, this_attr->address, &val);
	if (ret)
		return ret;

	return sprintf(buf, "%u\n", val);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
67
100.00%
1
100.00%
Total
67
100.00%
1
100.00%



static ssize_t ade7753_read_24bit(struct device *dev,
				  struct device_attribute *attr,
				  char *buf)
{
	int ret;
	u32 val;
	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);

	ret = ade7753_spi_read_reg_24(dev, this_attr->address, &val);
	if (ret)
		return ret;

	return sprintf(buf, "%u\n", val);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
67
100.00%
1
100.00%
Total
67
100.00%
1
100.00%



static ssize_t ade7753_write_8bit(struct device *dev,
				  struct device_attribute *attr,
				  const char *buf,
				  size_t len)
{
	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
	int ret;
	u8 val;

	ret = kstrtou8(buf, 10, &val);
	if (ret)
		goto error_ret;
	ret = ade7753_spi_write_reg_8(dev, this_attr->address, val);

error_ret:
	return ret ? ret : len;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
79
97.53%
1
50.00%
Jingoo Han
2
2.47%
1
50.00%
Total
81
100.00%
2
100.00%



static ssize_t ade7753_write_16bit(struct device *dev,
				   struct device_attribute *attr,
				   const char *buf,
				   size_t len)
{
	struct iio_dev_attr *this_attr = to_iio_dev_attr(attr);
	int ret;
	u16 val;

	ret = kstrtou16(buf, 10, &val);
	if (ret)
		goto error_ret;
	ret = ade7753_spi_write_reg_16(dev, this_attr->address, val);

error_ret:
	return ret ? ret : len;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
79
97.53%
1
50.00%
Jingoo Han
2
2.47%
1
50.00%
Total
81
100.00%
2
100.00%



static int ade7753_reset(struct device *dev)
{
	u16 val;
	int ret;

	ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val);
	if (ret)
		return ret;

	val |= BIT(6); /* Software Chip Reset */

	return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
38
70.37%
1
25.00%
Arnd Bergmann
12
22.22%
1
25.00%
Shraddha Barke
3
5.56%
1
25.00%
Jonathan Cameron
1
1.85%
1
25.00%
Total
54
100.00%
4
100.00%

static IIO_DEV_ATTR_AENERGY(ade7753_read_24bit, ADE7753_AENERGY);
static IIO_DEV_ATTR_LAENERGY(ade7753_read_24bit, ADE7753_LAENERGY);
static IIO_DEV_ATTR_VAENERGY(ade7753_read_24bit, ADE7753_VAENERGY);
static IIO_DEV_ATTR_LVAENERGY(ade7753_read_24bit, ADE7753_LVAENERGY);
static IIO_DEV_ATTR_CFDEN(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_CFDEN);
static IIO_DEV_ATTR_CFNUM(0644,
		ade7753_read_8bit,
		ade7753_write_8bit,
		ADE7753_CFNUM);
static IIO_DEV_ATTR_CHKSUM(ade7753_read_8bit, ADE7753_CHKSUM);
static IIO_DEV_ATTR_PHCAL(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_PHCAL);
static IIO_DEV_ATTR_APOS(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_APOS);
static IIO_DEV_ATTR_SAGCYC(0644,
		ade7753_read_8bit,
		ade7753_write_8bit,
		ADE7753_SAGCYC);
static IIO_DEV_ATTR_SAGLVL(0644,
		ade7753_read_8bit,
		ade7753_write_8bit,
		ADE7753_SAGLVL);
static IIO_DEV_ATTR_LINECYC(0644,
		ade7753_read_8bit,
		ade7753_write_8bit,
		ADE7753_LINECYC);
static IIO_DEV_ATTR_WDIV(0644,
		ade7753_read_8bit,
		ade7753_write_8bit,
		ADE7753_WDIV);
static IIO_DEV_ATTR_IRMS(0644,
		ade7753_read_24bit,
		NULL,
		ADE7753_IRMS);
static IIO_DEV_ATTR_VRMS(0444,
		ade7753_read_24bit,
		NULL,
		ADE7753_VRMS);
static IIO_DEV_ATTR_IRMSOS(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_IRMSOS);
static IIO_DEV_ATTR_VRMSOS(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_VRMSOS);
static IIO_DEV_ATTR_WGAIN(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_WGAIN);
static IIO_DEV_ATTR_VAGAIN(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_VAGAIN);
static IIO_DEV_ATTR_PGA_GAIN(0644,
		ade7753_read_16bit,
		ade7753_write_16bit,
		ADE7753_GAIN);
static IIO_DEV_ATTR_IPKLVL(0644,
		ade7753_read_8bit,
		ade7753_write_8bit,
		ADE7753_IPKLVL);
static IIO_DEV_ATTR_VPKLVL(0644,
		ade7753_read_8bit,
		ade7753_write_8bit,
		ADE7753_VPKLVL);
static IIO_DEV_ATTR_IPEAK(0444,
		ade7753_read_24bit,
		NULL,
		ADE7753_IPEAK);
static IIO_DEV_ATTR_VPEAK(0444,
		ade7753_read_24bit,
		NULL,
		ADE7753_VPEAK);
static IIO_DEV_ATTR_VPERIOD(0444,
		ade7753_read_16bit,
		NULL,
		ADE7753_PERIOD);

static IIO_DEVICE_ATTR(choff_1, 0644,
			ade7753_read_8bit,
			ade7753_write_8bit,
			ADE7753_CH1OS);

static IIO_DEVICE_ATTR(choff_2, 0644,
			ade7753_read_8bit,
			ade7753_write_8bit,
			ADE7753_CH2OS);



static int ade7753_set_irq(struct device *dev, bool enable)
{
	int ret;
	u8 irqen;

	ret = ade7753_spi_read_reg_8(dev, ADE7753_IRQEN, &irqen);
	if (ret)
		goto error_ret;

	if (enable)
		irqen |= BIT(3); /* Enables an interrupt when a data is
                                  * present in the waveform register
                                  */
	else
		irqen &= ~BIT(3);

	ret = ade7753_spi_write_reg_8(dev, ADE7753_IRQEN, irqen);

error_ret:
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
69
90.79%
1
33.33%
Shraddha Barke
6
7.89%
1
33.33%
Alison Schofield
1
1.32%
1
33.33%
Total
76
100.00%
3
100.00%

/* Power down the device */


static int ade7753_stop_device(struct device *dev)
{
	u16 val;
	int ret;

	ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &val);
	if (ret)
		return ret;

	val |= BIT(4);  /* AD converters can be turned off */

	return ade7753_spi_write_reg_16(dev, ADE7753_MODE, val);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
37
68.52%
1
25.00%
Arnd Bergmann
12
22.22%
1
25.00%
Shraddha Barke
3
5.56%
1
25.00%
Jonathan Cameron
2
3.70%
1
25.00%
Total
54
100.00%
4
100.00%



static int ade7753_initial_setup(struct iio_dev *indio_dev)
{
	int ret;
	struct device *dev = &indio_dev->dev;
	struct ade7753_state *st = iio_priv(indio_dev);

	/* use low spi speed for init */
	st->us->mode = SPI_MODE_3;
	spi_setup(st->us);

	/* Disable IRQ */
	ret = ade7753_set_irq(dev, false);
	if (ret) {
		dev_err(dev, "disable irq failed");
		goto err_ret;
	}

	ade7753_reset(dev);
	usleep_range(ADE7753_STARTUP_DELAY, ADE7753_STARTUP_DELAY + 100);

err_ret:
	return ret;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
78
82.11%
1
33.33%
Jonathan Cameron
12
12.63%
1
33.33%
Aniroop Mathur
5
5.26%
1
33.33%
Total
95
100.00%
3
100.00%



static ssize_t ade7753_read_frequency(struct device *dev,
				      struct device_attribute *attr,
				      char *buf)
{
	int ret;
	u16 t;
	int sps;

	ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &t);
	if (ret)
		return ret;

	t = (t >> 11) & 0x3;
	sps = 27900 / (1 + t);

	return sprintf(buf, "%d\n", sps);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
74
94.87%
1
25.00%
Jonathan Cameron
3
3.85%
2
50.00%
Tina Johnson
1
1.28%
1
25.00%
Total
78
100.00%
4
100.00%



static ssize_t ade7753_write_frequency(struct device *dev,
				       struct device_attribute *attr,
				       const char *buf,
				       size_t len)
{
	struct iio_dev *indio_dev = dev_to_iio_dev(dev);
	struct ade7753_state *st = iio_priv(indio_dev);
	u16 val;
	int ret;
	u16 reg, t;

	ret = kstrtou16(buf, 10, &val);
	if (ret)
		return ret;
	if (!val)
		return -EINVAL;

	mutex_lock(&st->buf_lock);

	t = 27900 / val;
	if (t > 0)
		t--;

	if (t > 1)
		st->us->max_speed_hz = ADE7753_SPI_SLOW;
	else
		st->us->max_speed_hz = ADE7753_SPI_FAST;

	ret = ade7753_spi_read_reg_16(dev, ADE7753_MODE, &reg);
	if (ret)
		goto out;

	reg &= ~(3 << 11);
	reg |= t << 11;

	ret = __ade7753_spi_write_reg_16(dev, ADE7753_MODE, reg);

out:
	mutex_unlock(&st->buf_lock);

	return ret ? ret : len;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
173
90.58%
1
12.50%
Dan Carpenter
8
4.19%
1
12.50%
Himanshi Jain
5
2.62%
2
25.00%
Jingoo Han
2
1.05%
1
12.50%
Jonathan Cameron
1
0.52%
1
12.50%
Lars-Peter Clausen
1
0.52%
1
12.50%
Cristina Moraru
1
0.52%
1
12.50%
Total
191
100.00%
8
100.00%

static IIO_DEV_ATTR_TEMP_RAW(ade7753_read_8bit);
static IIO_CONST_ATTR(in_temp_offset, "-25 C");
static IIO_CONST_ATTR(in_temp_scale, "0.67 C");

static IIO_DEV_ATTR_SAMP_FREQ(0644,
		ade7753_read_frequency,
		ade7753_write_frequency);

static IIO_CONST_ATTR_SAMP_FREQ_AVAIL("27900 14000 7000 3500");


static struct attribute *ade7753_attributes[] = {
	&iio_dev_attr_in_temp_raw.dev_attr.attr,
	&iio_const_attr_in_temp_offset.dev_attr.attr,
	&iio_const_attr_in_temp_scale.dev_attr.attr,
	&iio_dev_attr_sampling_frequency.dev_attr.attr,
	&iio_const_attr_sampling_frequency_available.dev_attr.attr,
	&iio_dev_attr_phcal.dev_attr.attr,
	&iio_dev_attr_cfden.dev_attr.attr,
	&iio_dev_attr_aenergy.dev_attr.attr,
	&iio_dev_attr_laenergy.dev_attr.attr,
	&iio_dev_attr_vaenergy.dev_attr.attr,
	&iio_dev_attr_lvaenergy.dev_attr.attr,
	&iio_dev_attr_cfnum.dev_attr.attr,
	&iio_dev_attr_apos.dev_attr.attr,
	&iio_dev_attr_sagcyc.dev_attr.attr,
	&iio_dev_attr_saglvl.dev_attr.attr,
	&iio_dev_attr_linecyc.dev_attr.attr,
	&iio_dev_attr_chksum.dev_attr.attr,
	&iio_dev_attr_pga_gain.dev_attr.attr,
	&iio_dev_attr_wgain.dev_attr.attr,
	&iio_dev_attr_choff_1.dev_attr.attr,
	&iio_dev_attr_choff_2.dev_attr.attr,
	&iio_dev_attr_wdiv.dev_attr.attr,
	&iio_dev_attr_irms.dev_attr.attr,
	&iio_dev_attr_vrms.dev_attr.attr,
	&iio_dev_attr_irmsos.dev_attr.attr,
	&iio_dev_attr_vrmsos.dev_attr.attr,
	&iio_dev_attr_vagain.dev_attr.attr,
	&iio_dev_attr_ipklvl.dev_attr.attr,
	&iio_dev_attr_vpklvl.dev_attr.attr,
	&iio_dev_attr_ipeak.dev_attr.attr,
	&iio_dev_attr_vpeak.dev_attr.attr,
	&iio_dev_attr_vperiod.dev_attr.attr,
	NULL,
};


static const struct attribute_group ade7753_attribute_group = {
	.attrs = ade7753_attributes,
};


static const struct iio_info ade7753_info = {
	.attrs = &ade7753_attribute_group,
};



static int ade7753_probe(struct spi_device *spi)
{
	int ret;
	struct ade7753_state *st;
	struct iio_dev *indio_dev;

	/* setup the industrialio driver allocated elements */
	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
	if (!indio_dev)
		return -ENOMEM;
	/* this is only used for removal purposes */
	spi_set_drvdata(spi, indio_dev);

	st = iio_priv(indio_dev);
	st->us = spi;
	mutex_init(&st->buf_lock);

	indio_dev->name = spi->dev.driver->name;
	indio_dev->dev.parent = &spi->dev;
	indio_dev->info = &ade7753_info;
	indio_dev->modes = INDIO_DIRECT_MODE;

	/* Get the device into a sane initial state */
	ret = ade7753_initial_setup(indio_dev);
	if (ret)
		return ret;

	return iio_device_register(indio_dev);
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
89
65.44%
1
14.29%
Jonathan Cameron
34
25.00%
4
57.14%
Sachin Kamat
12
8.82%
1
14.29%
Cristina Opriceana
1
0.74%
1
14.29%
Total
136
100.00%
7
100.00%



static int ade7753_remove(struct spi_device *spi)
{
	struct iio_dev *indio_dev = spi_get_drvdata(spi);

	iio_device_unregister(indio_dev);
	ade7753_stop_device(&indio_dev->dev);

	return 0;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
29
78.38%
1
25.00%
Jonathan Cameron
7
18.92%
2
50.00%
Lars-Peter Clausen
1
2.70%
1
25.00%
Total
37
100.00%
4
100.00%


static struct spi_driver ade7753_driver = {
	.driver = {
		.name = "ade7753",
        },
	.probe = ade7753_probe,
	.remove = ade7753_remove,
};
module_spi_driver(ade7753_driver);

MODULE_AUTHOR("Barry Song <21cnbao@gmail.com>");
MODULE_DESCRIPTION("Analog Devices ADE7753/6 Single-Phase Multifunction Meter");
MODULE_LICENSE("GPL v2");
MODULE_ALIAS("spi:ade7753");
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Barry Song
2074
78.50%
1
3.12%
Katie Dunne
246
9.31%
2
6.25%
Jonathan Cameron
134
5.07%
8
25.00%
Himanshi Jain
67
2.54%
2
6.25%
Arnd Bergmann
24
0.91%
1
3.12%
Quentin Swain
23
0.87%
1
3.12%
Lars-Peter Clausen
21
0.79%
6
18.75%
Shraddha Barke
12
0.45%
1
3.12%
Sachin Kamat
12
0.45%
1
3.12%
Dan Carpenter
8
0.30%
1
3.12%
Jingoo Han
6
0.23%
1
3.12%
Aniroop Mathur
5
0.19%
1
3.12%
rodrigosiqueira
4
0.15%
1
3.12%
Paul Gortmaker
2
0.08%
1
3.12%
Cristina Opriceana
1
0.04%
1
3.12%
Alison Schofield
1
0.04%
1
3.12%
Tina Johnson
1
0.04%
1
3.12%
Cristina Moraru
1
0.04%
1
3.12%
Total
2642
100.00%
32
100.00%
Directory: drivers/staging/iio/meter

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.