On 12/02/17 11:04, Brian Masney wrote:
> On Sun, Feb 12, 2017 at 05:55:34AM -0500, Brian Masney wrote:
>> Move ISL29028 ALS / Proximity Sensor out of staging and into mainline.
>>
>> Signed-off-by: Brian Masney <masn...@onstation.org>
> 
> Sorry, Jonathan, I forgot to run git format-patch with --no-renames and
> didn't realize until the emails went out. I attached the driver source
> to make it easier to review inline.
> 
> Brian
> 
Pasting inline for comments:

I only had the one and that was mostly because I thought I should say
something having taken one last look.

If we get patch 1 issues tidied up then moving out of staging is
fine by me.  Lots of time in this cycle anyway so I'm being fussy
than I might otherwise be!

Jonathan
> /*
>  * IIO driver for the light sensor ISL29028.
>  * ISL29028 is Concurrent Ambient Light and Proximity Sensor
>  *
>  * Copyright (c) 2012, NVIDIA CORPORATION.  All rights reserved.
>  * Copyright (c) 2016-2017 Brian Masney <masn...@onstation.org>
>  *
>  * This program is free software; you can redistribute it and/or modify it
>  * under the terms and conditions of the GNU General Public License,
>  * version 2, as published by the Free Software Foundation.
>  *
>  * This program is distributed in the hope 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.
>  *
>  * You should have received a copy of the GNU General Public License
>  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
>  */
> 
> #include <linux/module.h>
> #include <linux/i2c.h>
> #include <linux/err.h>
> #include <linux/mutex.h>
> #include <linux/delay.h>
> #include <linux/slab.h>
> #include <linux/regmap.h>
> #include <linux/iio/iio.h>
> #include <linux/iio/sysfs.h>
> #include <linux/pm_runtime.h>
> 
> #define ISL29028_CONV_TIME_MS                 100
> 
> #define ISL29028_REG_CONFIGURE                        0x01
> 
> #define ISL29028_CONF_ALS_IR_MODE_ALS         0
> #define ISL29028_CONF_ALS_IR_MODE_IR          BIT(0)
> #define ISL29028_CONF_ALS_IR_MODE_MASK                BIT(0)
> 
> #define ISL29028_CONF_ALS_RANGE_LOW_LUX               0
> #define ISL29028_CONF_ALS_RANGE_HIGH_LUX      BIT(1)
> #define ISL29028_CONF_ALS_RANGE_MASK          BIT(1)
> 
> #define ISL29028_CONF_ALS_DIS                 0
> #define ISL29028_CONF_ALS_EN                  BIT(2)
> #define ISL29028_CONF_ALS_EN_MASK             BIT(2)
> 
> #define ISL29028_CONF_PROX_SLP_SH             4
> #define ISL29028_CONF_PROX_SLP_MASK           (7 << ISL29028_CONF_PROX_SLP_SH)
> 
> #define ISL29028_CONF_PROX_EN                 BIT(7)
> #define ISL29028_CONF_PROX_EN_MASK            BIT(7)
> 
> #define ISL29028_REG_INTERRUPT                        0x02
> 
> #define ISL29028_REG_PROX_DATA                        0x08
> #define ISL29028_REG_ALSIR_L                  0x09
> #define ISL29028_REG_ALSIR_U                  0x0A
> 
> #define ISL29028_REG_TEST1_MODE                       0x0E
> #define ISL29028_REG_TEST2_MODE                       0x0F
> 
> #define ISL29028_NUM_REGS                     (ISL29028_REG_TEST2_MODE + 1)
> 
> #define ISL29028_POWER_OFF_DELAY_MS           2000
> 
> static const unsigned int isl29028_prox_sleep_time[] = {800, 400, 200, 100, 
> 75,
>                                                       50, 12, 0};
> 
> enum isl29028_als_ir_mode {
>       ISL29028_MODE_NONE = 0,
>       ISL29028_MODE_ALS,
>       ISL29028_MODE_IR,
> };
> 
> struct isl29028_chip {
>       struct mutex                    lock;
>       struct regmap                   *regmap;
>       unsigned int                    prox_sampling;
>       bool                            enable_prox;
>       int                             lux_scale;
>       enum isl29028_als_ir_mode       als_ir_mode;
> };
> 
> static int isl29028_find_prox_sleep_time_index(int sampling)
> {
>       unsigned int period = DIV_ROUND_UP(1000, sampling);
>       int i;
> 
>       for (i = 0; i < ARRAY_SIZE(isl29028_prox_sleep_time); ++i) {
>               if (period >= isl29028_prox_sleep_time[i])
>                       break;
>       }
> 
>       return i;
> }
> 
> static int isl29028_set_proxim_sampling(struct isl29028_chip *chip,
>                                       unsigned int sampling)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       int sleep_index, ret;
> 
>       sleep_index = isl29028_find_prox_sleep_time_index(sampling);
>       ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                ISL29028_CONF_PROX_SLP_MASK,
>                                sleep_index << ISL29028_CONF_PROX_SLP_SH);
> 
>       if (ret < 0) {
>               dev_err(dev, "%s(): Error %d setting the proximity sampling\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       chip->prox_sampling = sampling;
> 
>       return ret;
> }
> 
> static int isl29028_enable_proximity(struct isl29028_chip *chip)
> {
>       int sleep_index, ret;
> 
>       ret = isl29028_set_proxim_sampling(chip, chip->prox_sampling);
>       if (ret < 0)
>               return ret;
> 
>       ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                ISL29028_CONF_PROX_EN_MASK,
>                                ISL29028_CONF_PROX_EN);
>       if (ret < 0)
>               return ret;
> 
>       /* Wait for conversion to be complete for first sample */
>       sleep_index = isl29028_find_prox_sleep_time_index(chip->prox_sampling);
>       msleep(isl29028_prox_sleep_time[sleep_index]);
> 
>       return 0;
> }
> 
> static int isl29028_set_als_scale(struct isl29028_chip *chip, int lux_scale)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       int val = (lux_scale == 2000) ? ISL29028_CONF_ALS_RANGE_HIGH_LUX :
>                                       ISL29028_CONF_ALS_RANGE_LOW_LUX;
>       int ret;
> 
>       ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                ISL29028_CONF_ALS_RANGE_MASK, val);
>       if (ret < 0) {
>               dev_err(dev, "%s(): Error %d setting the ALS scale\n", __func__,
>                       ret);
>               return ret;
>       }
> 
>       chip->lux_scale = lux_scale;
> 
>       return ret;
> }
> 
> static int isl29028_set_als_ir_mode(struct isl29028_chip *chip,
>                                   enum isl29028_als_ir_mode mode)
> {
>       int ret;
> 
>       if (chip->als_ir_mode == mode)
>               return 0;
> 
>       ret = isl29028_set_als_scale(chip, chip->lux_scale);
>       if (ret < 0)
>               return ret;
> 
>       switch (mode) {
>       case ISL29028_MODE_ALS:
>               ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                        ISL29028_CONF_ALS_IR_MODE_MASK,
>                                        ISL29028_CONF_ALS_IR_MODE_ALS);
>               if (ret < 0)
>                       return ret;
> 
>               ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                        ISL29028_CONF_ALS_RANGE_MASK,
>                                        ISL29028_CONF_ALS_RANGE_HIGH_LUX);
>               break;
>       case ISL29028_MODE_IR:
>               ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                        ISL29028_CONF_ALS_IR_MODE_MASK,
>                                        ISL29028_CONF_ALS_IR_MODE_IR);
>               break;
>       case ISL29028_MODE_NONE:
>               return regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                         ISL29028_CONF_ALS_EN_MASK,
>                                         ISL29028_CONF_ALS_DIS);
>       }
> 
>       if (ret < 0)
>               return ret;
> 
>       /* Enable the ALS/IR */
>       ret = regmap_update_bits(chip->regmap, ISL29028_REG_CONFIGURE,
>                                ISL29028_CONF_ALS_EN_MASK,
>                                ISL29028_CONF_ALS_EN);
>       if (ret < 0)
>               return ret;
> 
>       /* Need to wait for conversion time if ALS/IR mode enabled */
>       msleep(ISL29028_CONV_TIME_MS);
> 
>       chip->als_ir_mode = mode;
> 
>       return 0;
> }
> 
> static int isl29028_read_als_ir(struct isl29028_chip *chip, int *als_ir)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       unsigned int lsb;
>       unsigned int msb;
>       int ret;
> 
>       ret = regmap_read(chip->regmap, ISL29028_REG_ALSIR_L, &lsb);
>       if (ret < 0) {
>               dev_err(dev,
>                       "%s(): Error %d reading register ALSIR_L\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       ret = regmap_read(chip->regmap, ISL29028_REG_ALSIR_U, &msb);
>       if (ret < 0) {
>               dev_err(dev,
>                       "%s(): Error %d reading register ALSIR_U\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       *als_ir = ((msb & 0xF) << 8) | (lsb & 0xFF);
> 
>       return 0;
> }
> 
> static int isl29028_read_proxim(struct isl29028_chip *chip, int *prox)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       unsigned int data;
>       int ret;
> 
>       if (!chip->enable_prox) {
>               ret = isl29028_enable_proximity(chip);
>               if (ret < 0)
>                       return ret;
> 
>               chip->enable_prox = true;
>       }
> 
>       ret = regmap_read(chip->regmap, ISL29028_REG_PROX_DATA, &data);
>       if (ret < 0) {
>               dev_err(dev, "%s(): Error %d reading register PROX_DATA\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       *prox = data;
> 
>       return 0;
> }
> 
> static int isl29028_als_get(struct isl29028_chip *chip, int *als_data)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       int ret;
>       int als_ir_data;
> 
>       ret = isl29028_set_als_ir_mode(chip, ISL29028_MODE_ALS);
>       if (ret < 0) {
>               dev_err(dev, "%s(): Error %d enabling ALS mode\n", __func__,
>                       ret);
>               return ret;
>       }
> 
>       ret = isl29028_read_als_ir(chip, &als_ir_data);
>       if (ret < 0)
>               return ret;
> 
>       /*
>        * convert als data count to lux.
>        * if lux_scale = 125,  lux = count * 0.031
>        * if lux_scale = 2000, lux = count * 0.49
>        */
>       if (chip->lux_scale == 125)
>               als_ir_data = (als_ir_data * 31) / 1000;
>       else
>               als_ir_data = (als_ir_data * 49) / 100;
> 
>       *als_data = als_ir_data;
> 
>       return 0;
> }
> 
> static int isl29028_ir_get(struct isl29028_chip *chip, int *ir_data)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       int ret;
> 
>       ret = isl29028_set_als_ir_mode(chip, ISL29028_MODE_IR);
>       if (ret < 0) {
>               dev_err(dev, "%s(): Error %d enabling IR mode\n", __func__,
>                       ret);
>               return ret;
>       }
> 
>       return isl29028_read_als_ir(chip, ir_data);
> }
> 
> static int isl29028_set_pm_runtime_busy(struct isl29028_chip *chip, bool on)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       int ret;
> 
>       if (on) {
>               ret = pm_runtime_get_sync(dev);
>               if (ret < 0)
>                       pm_runtime_put_noidle(dev);
>       } else {
>               pm_runtime_mark_last_busy(dev);
>               ret = pm_runtime_put_autosuspend(dev);
>       }
> 
>       return ret;
> }
> 
> /* Channel IO */
I'm never keen on comments that state the relatively obvious
(at least to people who have read a number of drivers in IIO)
Don't really care though so don't worry about a patch for this.
> static int isl29028_write_raw(struct iio_dev *indio_dev,
>                             struct iio_chan_spec const *chan,
>                             int val, int val2, long mask)
> {
>       struct isl29028_chip *chip = iio_priv(indio_dev);
>       struct device *dev = regmap_get_device(chip->regmap);
>       int ret;
> 
>       ret = isl29028_set_pm_runtime_busy(chip, true);
>       if (ret < 0)
>               return ret;
> 
>       mutex_lock(&chip->lock);
> 
>       ret = -EINVAL;
>       switch (chan->type) {
>       case IIO_PROXIMITY:
>               if (mask != IIO_CHAN_INFO_SAMP_FREQ) {
>                       dev_err(dev,
>                               "%s(): proximity: Mask value 0x%08lx is not 
> supported\n",
>                               __func__, mask);
>                       break;
>               }
> 
>               if (val < 1 || val > 100) {
>                       dev_err(dev,
>                               "%s(): proximity: Sampling frequency %d is not 
> in the range [1:100]\n",
>                               __func__, val);
>                       break;
>               }
> 
>               ret = isl29028_set_proxim_sampling(chip, val);
>               break;
>       case IIO_LIGHT:
>               if (mask != IIO_CHAN_INFO_SCALE) {
>                       dev_err(dev,
>                               "%s(): light: Mask value 0x%08lx is not 
> supported\n",
>                               __func__, mask);
>                       break;
>               }
> 
>               if (val != 125 && val != 2000) {
>                       dev_err(dev,
>                               "%s(): light: Lux scale %d is not in the set 
> {125, 2000}\n",
>                               __func__, val);
>                       break;
>               }
> 
>               ret = isl29028_set_als_scale(chip, val);
>               break;
>       default:
>               dev_err(dev, "%s(): Unsupported channel type %x\n",
>                       __func__, chan->type);
>               break;
>       }
> 
>       mutex_unlock(&chip->lock);
> 
>       if (ret < 0)
>               return ret;
> 
>       ret = isl29028_set_pm_runtime_busy(chip, false);
>       if (ret < 0)
>               return ret;
> 
>       return ret;
> }
> 
> static int isl29028_read_raw(struct iio_dev *indio_dev,
>                            struct iio_chan_spec const *chan,
>                            int *val, int *val2, long mask)
> {
>       struct isl29028_chip *chip = iio_priv(indio_dev);
>       struct device *dev = regmap_get_device(chip->regmap);
>       int ret, pm_ret;
> 
>       ret = isl29028_set_pm_runtime_busy(chip, true);
>       if (ret < 0)
>               return ret;
> 
>       mutex_lock(&chip->lock);
> 
>       ret = -EINVAL;
>       switch (mask) {
>       case IIO_CHAN_INFO_RAW:
>       case IIO_CHAN_INFO_PROCESSED:
>               switch (chan->type) {
>               case IIO_LIGHT:
>                       ret = isl29028_als_get(chip, val);
>                       break;
>               case IIO_INTENSITY:
>                       ret = isl29028_ir_get(chip, val);
>                       break;
>               case IIO_PROXIMITY:
>                       ret = isl29028_read_proxim(chip, val);
>                       break;
>               default:
>                       break;
>               }
> 
>               if (ret < 0)
>                       break;
> 
>               ret = IIO_VAL_INT;
>               break;
>       case IIO_CHAN_INFO_SAMP_FREQ:
>               if (chan->type != IIO_PROXIMITY)
>                       break;
> 
>               *val = chip->prox_sampling;
>               ret = IIO_VAL_INT;
>               break;
>       case IIO_CHAN_INFO_SCALE:
>               if (chan->type != IIO_LIGHT)
>                       break;
>               *val = chip->lux_scale;
>               ret = IIO_VAL_INT;
>               break;
>       default:
>               dev_err(dev, "%s(): mask value 0x%08lx is not supported\n",
>                       __func__, mask);
>               break;
>       }
> 
>       mutex_unlock(&chip->lock);
> 
>       if (ret < 0)
>               return ret;
> 
>       /**
>        * Preserve the ret variable if the call to
>        * isl29028_set_pm_runtime_busy() is successful so the reading
>        * (if applicable) is returned to user space.
>        */
>       pm_ret = isl29028_set_pm_runtime_busy(chip, false);
>       if (pm_ret < 0)
>               return pm_ret;
> 
>       return ret;
> }
> 
> static IIO_CONST_ATTR(in_proximity_sampling_frequency_available,
>                               "1.25 2.5 5 10 13.3 20 83.3 100");
> static IIO_CONST_ATTR(in_illuminance_scale_available, "125 2000");
> 
> #define ISL29028_CONST_ATTR(name) (&iio_const_attr_##name.dev_attr.attr)
> static struct attribute *isl29028_attributes[] = {
>       ISL29028_CONST_ATTR(in_proximity_sampling_frequency_available),
>       ISL29028_CONST_ATTR(in_illuminance_scale_available),
>       NULL,
> };
> 
> static const struct attribute_group isl29108_group = {
>       .attrs = isl29028_attributes,
> };
> 
> static const struct iio_chan_spec isl29028_channels[] = {
>       {
>               .type = IIO_LIGHT,
>               .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED) |
>               BIT(IIO_CHAN_INFO_SCALE),
>       }, {
>               .type = IIO_INTENSITY,
>               .info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
>       }, {
>               .type = IIO_PROXIMITY,
>               .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
>               BIT(IIO_CHAN_INFO_SAMP_FREQ),
>       }
> };
> 
> static const struct iio_info isl29028_info = {
>       .attrs = &isl29108_group,
>       .driver_module = THIS_MODULE,
>       .read_raw = isl29028_read_raw,
>       .write_raw = isl29028_write_raw,
> };
> 
> static int isl29028_clear_configure_reg(struct isl29028_chip *chip)
> {
>       struct device *dev = regmap_get_device(chip->regmap);
>       int ret;
> 
>       ret = regmap_write(chip->regmap, ISL29028_REG_CONFIGURE, 0x0);
>       if (ret < 0)
>               dev_err(dev, "%s(): Error %d clearing the CONFIGURE register\n",
>                       __func__, ret);
> 
>       chip->als_ir_mode = ISL29028_MODE_NONE;
>       chip->enable_prox = false;
> 
>       return ret;
> }
> 
> static bool isl29028_is_volatile_reg(struct device *dev, unsigned int reg)
> {
>       switch (reg) {
>       case ISL29028_REG_INTERRUPT:
>       case ISL29028_REG_PROX_DATA:
>       case ISL29028_REG_ALSIR_L:
>       case ISL29028_REG_ALSIR_U:
>               return true;
>       default:
>               return false;
>       }
> }
> 
> static const struct regmap_config isl29028_regmap_config = {
>       .reg_bits = 8,
>       .val_bits = 8,
>       .volatile_reg = isl29028_is_volatile_reg,
>       .max_register = ISL29028_NUM_REGS - 1,
>       .num_reg_defaults_raw = ISL29028_NUM_REGS,
>       .cache_type = REGCACHE_RBTREE,
> };
> 
> static int isl29028_probe(struct i2c_client *client,
>                         const struct i2c_device_id *id)
> {
>       struct isl29028_chip *chip;
>       struct iio_dev *indio_dev;
>       int ret;
> 
>       indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*chip));
>       if (!indio_dev)
>               return -ENOMEM;
> 
>       chip = iio_priv(indio_dev);
> 
>       i2c_set_clientdata(client, indio_dev);
>       mutex_init(&chip->lock);
> 
>       chip->regmap = devm_regmap_init_i2c(client, &isl29028_regmap_config);
>       if (IS_ERR(chip->regmap)) {
>               ret = PTR_ERR(chip->regmap);
>               dev_err(&client->dev, "%s: Error %d initializing regmap\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       chip->enable_prox  = false;
>       chip->prox_sampling = 20;
>       chip->lux_scale = 2000;
> 
>       ret = regmap_write(chip->regmap, ISL29028_REG_TEST1_MODE, 0x0);
>       if (ret < 0) {
>               dev_err(&client->dev,
>                       "%s(): Error %d writing to TEST1_MODE register\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       ret = regmap_write(chip->regmap, ISL29028_REG_TEST2_MODE, 0x0);
>       if (ret < 0) {
>               dev_err(&client->dev,
>                       "%s(): Error %d writing to TEST2_MODE register\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       ret = isl29028_clear_configure_reg(chip);
>       if (ret < 0)
>               return ret;
> 
>       indio_dev->info = &isl29028_info;
>       indio_dev->channels = isl29028_channels;
>       indio_dev->num_channels = ARRAY_SIZE(isl29028_channels);
>       indio_dev->name = id->name;
>       indio_dev->dev.parent = &client->dev;
>       indio_dev->modes = INDIO_DIRECT_MODE;
> 
>       pm_runtime_enable(&client->dev);
>       pm_runtime_set_autosuspend_delay(&client->dev,
>                                        ISL29028_POWER_OFF_DELAY_MS);
>       pm_runtime_use_autosuspend(&client->dev);
> 
>       ret = devm_iio_device_register(indio_dev->dev.parent, indio_dev);
>       if (ret < 0) {
>               dev_err(&client->dev,
>                       "%s(): iio registration failed with error %d\n",
>                       __func__, ret);
>               return ret;
>       }
> 
>       return 0;
> }
> 
> static int isl29028_remove(struct i2c_client *client)
> {
>       struct iio_dev *indio_dev = i2c_get_clientdata(client);
>       struct isl29028_chip *chip = iio_priv(indio_dev);
> 
>       iio_device_unregister(indio_dev);
> 
>       pm_runtime_disable(&client->dev);
>       pm_runtime_set_suspended(&client->dev);
>       pm_runtime_put_noidle(&client->dev);
> 
>       return isl29028_clear_configure_reg(chip);
> }
> 
> static int __maybe_unused isl29028_suspend(struct device *dev)
> {
>       struct iio_dev *indio_dev = i2c_get_clientdata(to_i2c_client(dev));
>       struct isl29028_chip *chip = iio_priv(indio_dev);
>       int ret;
> 
>       mutex_lock(&chip->lock);
> 
>       ret = isl29028_clear_configure_reg(chip);
> 
>       mutex_unlock(&chip->lock);
> 
>       return ret;
> }
> 
> static int __maybe_unused isl29028_resume(struct device *dev)
> {
>       /**
>        * The specific component (ALS/IR or proximity) will enable itself as
>        * needed the next time that the user requests a reading. This is done
>        * above in isl29028_set_als_ir_mode() and isl29028_enable_proximity().
>        */
>       return 0;
> }
> 
> static const struct dev_pm_ops isl29028_pm_ops = {
>       SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend,
>                               pm_runtime_force_resume)
>       SET_RUNTIME_PM_OPS(isl29028_suspend, isl29028_resume, NULL)
> };
> 
> static const struct i2c_device_id isl29028_id[] = {
>       {"isl29028", 0},
>       {}
> };
> MODULE_DEVICE_TABLE(i2c, isl29028_id);
> 
> static const struct of_device_id isl29028_of_match[] = {
>       { .compatible = "isl,isl29028", }, /* for backward compat., don't use */
>       { .compatible = "isil,isl29028", },
>       { },
> };
> MODULE_DEVICE_TABLE(of, isl29028_of_match);
> 
> static struct i2c_driver isl29028_driver = {
>       .driver  = {
>               .name = "isl29028",
>               .pm = &isl29028_pm_ops,
>               .of_match_table = isl29028_of_match,
>       },
>       .probe   = isl29028_probe,
>       .remove  = isl29028_remove,
>       .id_table = isl29028_id,
> };
> 
> module_i2c_driver(isl29028_driver);
> 
> MODULE_DESCRIPTION("ISL29028 Ambient Light and Proximity Sensor driver");
> MODULE_LICENSE("GPL v2");
> MODULE_AUTHOR("Laxman Dewangan <ldewan...@nvidia.com>");
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