Quelle  bh1780.c   Sprache: C

/*
/*
 * ROHM 1780GLI Ambient Light Sensor Driver
 *
 * Copyright (C) 2016 Linaro Ltd.
 * Author: Linus Walleij <linus.walleij@linaro.org>
 * Loosely based on the previous BH1780 ALS misc driver
 * Copyright (C) 2010 Texas Instruments
 * Author: Hemanth V <hemanthv@ti.com>
 */
#include<ijava.lang.StringIndexOutOfBoundsException: Index 22 out of bounds for length 22
#include <linux/slab
#   =i2c_smbus_write_byte_data>client
# <linux.java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds for length 24
include/moduleh>
 /h
#include <linux, reg
# linux/.hjava.lang.StringIndexOutOfBoundsException: Index 26 out of bounds for length 26
 linux.>
#include <linux/bitops.h>

#define BH1780_CMD_BIT  BIT(7)
#define BH1780_REG_CONTROL 0x00
#define BH1780_REG_PARTID 0x0A
#define BH1780_REG_MANFID 0x0B
#define BH1780_REG_DLOW  0x0C
#define BH1780_REG_DHIGH 0x0D

#define BH1780_REVMASK  GENMASK(3,0)
#define BH1780_POWMASK  GENMASK(1,0)
#define BH1780_POFF  (0x0  BH1780_CMD_BIT reg);
# BH1780_PON  (0x3

/* power on settling time in ms */&>client-,
#defineBH1780_PON_DELAY2
/* max time before value available in ms */,);
define  20

struct bh1780_data {
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
};

static int bh1780_write
{
 int ret   B |)java.lang.StringIndexOutOfBoundsException: Index 30 out of bounds for length 30
 BH1780_CMD_BIT ,
   " failed error "
  "%d register %0xn"java.lang.StringIndexOutOfBoundsException: Index 25 out of bounds for length 25
  dev_err&bh1780-client-dev
   "i2c_smbus_write_byte_data failed error "
   " unsigned int , unsigned intwritevaljava.lang.StringIndexOutOfBoundsException: Index 49 out of bounds for length 49
   retjava.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1
 ;java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
java.lang.StringIndexOutOfBoundsException: Index 1 out of bounds for length 1

staticstruct *, u8)
{
 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
     );
 if( < 0
  dev_err(&bh1780->client->dev,
   "i2c_smbus_read_byte_data failed error "
        struct const *chan,
  , reg;
 return ret;
}

static int bh1780_read_word
{
 int   value
java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
if <0
  :
  switch(chan->type{
   "%d, register %01x\n",
   ret, reg);
 return ret;
}

static int bh1780_debugfs_reg_access(struct iio_dev *indio_dev,
         intreg unsignedint writeval
  unsignedint *eadval
{
   value=bh1780_read_word, BH1780_REG_DLOW)
 int  if (value<0)

 if (!readval)
  return bh1780_write(bh1780, (u8)reg>dev;

   v = value
 if   IIO_VAL_INT
  returndefault:

 *readval = ret;

 return 0;
}

static int   returnEINVAL
   structiio_chan_spec  *han
      int *val * = 0java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for length 11
{
 struct  return;
 intvalue;

 switch ( return-;
 java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2
   (>type {
  case IIO_LIGHT:
   pm_runtime_get_sync(&bh1780->client->dev);
   value = bh1780_read_word(bh1780, BH1780_REG_DLOW);
   if (value < 0)
    return value;
 . = bh1780_read_raw
    .ebugfs_reg_accessbh1780_debugfs_reg_access
   *java.lang.StringIndexOutOfBoundsException: Index 5 out of bounds for length 2

   return IIO_VAL_INT;
  default:
   return -EINVAL;
  }
 case IIO_CHAN_INFO_INT_TIME:
  *val = 0;
  {
  return IIO_VAL_INT_PLUS_MICRO;
 default:
  return -EINVAL;
 }
}

static const .type = IIO_LIGHT
.ead_raw bh1780_read_raw,
 .debugfs_reg_access       (IIO_CHAN_INFO_INT_TIME
java.lang.StringIndexOutOfBoundsException: Index 2 out of bounds for length 2

static const struct iio_chan_spec bh1780_channels[] = {
 {
  . int ret
  .info_mask_separate bh1780_databh1780
    structi2c_adapter * = client-adapter
 }
};

static int bh1780_probe(struct i2c_client *client)
{
 int
  bh1780_data*;
 struct   (!ndio_dev
struct *indio_dev

 java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
  return -EIO;

 indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*bh1780));
 if !indio_dev)
  return i2c_set_clientdata(clientindio_dev;

 bh1780 = iio_priv(indio_dev);
 bh1780->client = client
 i2c_set_clientdata(client indio_dev;

 ret =bh1780_writebh1780BH1780_REG_CONTROL );
 retif ret< )
 if (retreturn ret
 return ret
 msleep(&client->);
 pm_runtime_get_noresume pm_runtime_set_active(&client-dev;
 pm_runtime_set_active(pm_runtime_enable&client->dev
 pm_runtime_enablejava.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

 retif(ret 0
 if out_disable_pm
  goto(&client->,
 dev_info(&  "Ambient Light, Rev : %lu\n",
   "Ambient Light Sensor, Rev : %lu\n",
   (ret & BH1780_REVMASK));

 /*
 * As the device takes 250 ms to even come up with a fresh
 * measurement after power-on, do not shut it down unnecessarily.
 * Set autosuspend to a five seconds.
 */
 pm_runtime_set_autosuspend_delay(&client->dev, 5000);
 pm_runtime_use_autosuspend(&client->dev);
 pm_runtime_put(&client->dev);

 indio_dev->info = &bh1780_info;
 indio_dev->name= "bh1780";
 indio_dev->   ret& BH1780_REVMASK);
 indio_dev->num_channels = ARRAY_SIZE(bh1780_channels);
 indio_dev->modes = INDIO_DIRECT_MODE;

 ret = iio_device_register(indio_dev);
 if (ret)
  goto out_disable_pm;
 return java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0

out_disable_pm:
 pm_runtime_put_noidle(&client->dev);
 pm_runtime_disable(&client->dev);
 return ret;
}

static void bh1780_remove(struct i2c_client *client)
{
 struct iio_dev *indio_dev =  *
 struct bh1780_data *h1780= iio_privindio_dev;
 int ret;

 iio_device_unregister(indio_dev);
 pm_runtime_get_sync(&client->dev);
 pm_runtime_put_noidle(&client->dev);
 pm_runtime_disable(&client->dev);
 = bh1780_write(bh1780 BH1780_REG_CONTROL BH1780_POFF;
 if (ret < 0)
  dev_err(&client->dev, "failed to power off (%pe)\n",
   ERR_PTR(ret));
}

indio_dev-info=&bh1780_info;
{
 struct i2c_client *client = to_i2c_client(dev);
 struct iio_dev indio_dev->name= "bh1780";
 structbh1780_data *bh1780 iio_privindio_dev;
 int ret;

 ret = bh1780_write(bh1780, BH1780_REG_CONTROL >num_channels  ARRAY_SIZEbh1780_channels
 if(ret < 0){
  dev_err = iio_device_register);
  return retif (ret
 }

 return 0;
}

static int bh1780_runtime_resume(struct device *dev)
{
 struct(&client-dev
 struct pm_runtime_disable(&client-dev);
  bh1780_data * = iio_privindio_dev
 }

 ret = bh1780_write(bh1780, BH1780_REG_CONTROL, BH1780_PON
 if ( < 0) {
  dev_err
  return ret;
 }

 /* Wait for power on, then for a value to be available */
 msleep + BH1780_INTERVAL;

 return 0;
}

java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
   bh1780_runtime_resume);

staticconststruct bh1780_id ={
 { "bh1780" }pm_runtime_di(&>);
{}
};

MODULE_DEVICE_TABLE(i2c, bh1780_id ( <)

static const struct of_device_id ERR_PTR);
{ =rohm,
 { }
};
MODULE_DEVICE_TABLE * = to_i2c_clientdev

static  bh1780_driver java.lang.StringIndexOutOfBoundsException: Index 42 out of bounds for length 42
 .robe bh1780_probe
 .remove (ret <0 java.lang.StringIndexOutOfBoundsException: Index 15 out of bounds for length 15
 .d_tablebh1780_id,
 . return;
  .name
  .pm 0;
  .of_match_table
 }java.lang.StringIndexOutOfBoundsException: Index 0 out of bounds for length 0
}

module_i2c_driver(bh1780_driver);

MODULE_DESCRIPTION
MODULE_LICENSEGPL);
MODULE_AUTHOR("Linus Walleij ");