162a1efb9SPeter Meerwald /* 2*be38866fSTomas Novotny * vcnl4000.c - Support for Vishay VCNL4000/4010/4020/4200 combined ambient 3d978bfddSPeter Meerwald-Stadler * light and proximity sensor 462a1efb9SPeter Meerwald * 562a1efb9SPeter Meerwald * Copyright 2012 Peter Meerwald <pmeerw@pmeerw.net> 662a1efb9SPeter Meerwald * 762a1efb9SPeter Meerwald * This file is subject to the terms and conditions of version 2 of 862a1efb9SPeter Meerwald * the GNU General Public License. See the file COPYING in the main 962a1efb9SPeter Meerwald * directory of this archive for more details. 1062a1efb9SPeter Meerwald * 11*be38866fSTomas Novotny * IIO driver for: 12*be38866fSTomas Novotny * VCNL4000/10/20 (7-bit I2C slave address 0x13) 13*be38866fSTomas Novotny * VCNL4200 (7-bit I2C slave address 0x51) 1462a1efb9SPeter Meerwald * 1562a1efb9SPeter Meerwald * TODO: 1662a1efb9SPeter Meerwald * allow to adjust IR current 1762a1efb9SPeter Meerwald * proximity threshold and event handling 18d978bfddSPeter Meerwald-Stadler * periodic ALS/proximity measurement (VCNL4010/20) 19*be38866fSTomas Novotny * interrupts (VCNL4010/20, VCNL4200) 2062a1efb9SPeter Meerwald */ 2162a1efb9SPeter Meerwald 2262a1efb9SPeter Meerwald #include <linux/module.h> 2362a1efb9SPeter Meerwald #include <linux/i2c.h> 2462a1efb9SPeter Meerwald #include <linux/err.h> 2562a1efb9SPeter Meerwald #include <linux/delay.h> 2662a1efb9SPeter Meerwald 2762a1efb9SPeter Meerwald #include <linux/iio/iio.h> 2862a1efb9SPeter Meerwald #include <linux/iio/sysfs.h> 2962a1efb9SPeter Meerwald 3062a1efb9SPeter Meerwald #define VCNL4000_DRV_NAME "vcnl4000" 311ebc787aSTomas Novotny #define VCNL4000_PROD_ID 0x01 321ebc787aSTomas Novotny #define VCNL4010_PROD_ID 0x02 /* for VCNL4020, VCNL4010 */ 33*be38866fSTomas Novotny #define VCNL4200_PROD_ID 0x58 3462a1efb9SPeter Meerwald 3562a1efb9SPeter Meerwald #define VCNL4000_COMMAND 0x80 /* Command register */ 3662a1efb9SPeter Meerwald #define VCNL4000_PROD_REV 0x81 /* Product ID and Revision ID */ 3762a1efb9SPeter Meerwald #define VCNL4000_LED_CURRENT 0x83 /* IR LED current for proximity mode */ 3862a1efb9SPeter Meerwald #define VCNL4000_AL_PARAM 0x84 /* Ambient light parameter register */ 3962a1efb9SPeter Meerwald #define VCNL4000_AL_RESULT_HI 0x85 /* Ambient light result register, MSB */ 4062a1efb9SPeter Meerwald #define VCNL4000_AL_RESULT_LO 0x86 /* Ambient light result register, LSB */ 4162a1efb9SPeter Meerwald #define VCNL4000_PS_RESULT_HI 0x87 /* Proximity result register, MSB */ 4262a1efb9SPeter Meerwald #define VCNL4000_PS_RESULT_LO 0x88 /* Proximity result register, LSB */ 4362a1efb9SPeter Meerwald #define VCNL4000_PS_MEAS_FREQ 0x89 /* Proximity test signal frequency */ 4462a1efb9SPeter Meerwald #define VCNL4000_PS_MOD_ADJ 0x8a /* Proximity modulator timing adjustment */ 4562a1efb9SPeter Meerwald 46*be38866fSTomas Novotny #define VCNL4200_AL_CONF 0x00 /* Ambient light configuration */ 47*be38866fSTomas Novotny #define VCNL4200_PS_CONF1 0x03 /* Proximity configuration */ 48*be38866fSTomas Novotny #define VCNL4200_PS_DATA 0x08 /* Proximity data */ 49*be38866fSTomas Novotny #define VCNL4200_AL_DATA 0x09 /* Ambient light data */ 50*be38866fSTomas Novotny #define VCNL4200_DEV_ID 0x0e /* Device ID, slave address and version */ 51*be38866fSTomas Novotny 5262a1efb9SPeter Meerwald /* Bit masks for COMMAND register */ 53ff6a5259SPeter Meerwald-Stadler #define VCNL4000_AL_RDY BIT(6) /* ALS data ready? */ 54ff6a5259SPeter Meerwald-Stadler #define VCNL4000_PS_RDY BIT(5) /* proximity data ready? */ 55ff6a5259SPeter Meerwald-Stadler #define VCNL4000_AL_OD BIT(4) /* start on-demand ALS measurement */ 56ff6a5259SPeter Meerwald-Stadler #define VCNL4000_PS_OD BIT(3) /* start on-demand proximity measurement */ 5762a1efb9SPeter Meerwald 581ebc787aSTomas Novotny enum vcnl4000_device_ids { 591ebc787aSTomas Novotny VCNL4000, 6050c50b97STomas Novotny VCNL4010, 61*be38866fSTomas Novotny VCNL4200, 62*be38866fSTomas Novotny }; 63*be38866fSTomas Novotny 64*be38866fSTomas Novotny struct vcnl4200_channel { 65*be38866fSTomas Novotny u8 reg; 66*be38866fSTomas Novotny ktime_t last_measurement; 67*be38866fSTomas Novotny ktime_t sampling_rate; 68*be38866fSTomas Novotny struct mutex lock; 691ebc787aSTomas Novotny }; 701ebc787aSTomas Novotny 7162a1efb9SPeter Meerwald struct vcnl4000_data { 7262a1efb9SPeter Meerwald struct i2c_client *client; 731ebc787aSTomas Novotny enum vcnl4000_device_ids id; 741ebc787aSTomas Novotny int rev; 751ebc787aSTomas Novotny int al_scale; 761ebc787aSTomas Novotny const struct vcnl4000_chip_spec *chip_spec; 77*be38866fSTomas Novotny struct mutex vcnl4000_lock; 78*be38866fSTomas Novotny struct vcnl4200_channel vcnl4200_al; 79*be38866fSTomas Novotny struct vcnl4200_channel vcnl4200_ps; 8062a1efb9SPeter Meerwald }; 8162a1efb9SPeter Meerwald 821ebc787aSTomas Novotny struct vcnl4000_chip_spec { 831ebc787aSTomas Novotny const char *prod; 841ebc787aSTomas Novotny int (*init)(struct vcnl4000_data *data); 851ebc787aSTomas Novotny int (*measure_light)(struct vcnl4000_data *data, int *val); 861ebc787aSTomas Novotny int (*measure_proximity)(struct vcnl4000_data *data, int *val); 871ebc787aSTomas Novotny }; 881ebc787aSTomas Novotny 8962a1efb9SPeter Meerwald static const struct i2c_device_id vcnl4000_id[] = { 901ebc787aSTomas Novotny { "vcnl4000", VCNL4000 }, 9150c50b97STomas Novotny { "vcnl4010", VCNL4010 }, 9250c50b97STomas Novotny { "vcnl4020", VCNL4010 }, 93*be38866fSTomas Novotny { "vcnl4200", VCNL4200 }, 9462a1efb9SPeter Meerwald { } 9562a1efb9SPeter Meerwald }; 9662a1efb9SPeter Meerwald MODULE_DEVICE_TABLE(i2c, vcnl4000_id); 9762a1efb9SPeter Meerwald 981ebc787aSTomas Novotny static int vcnl4000_init(struct vcnl4000_data *data) 991ebc787aSTomas Novotny { 1001ebc787aSTomas Novotny int ret, prod_id; 1011ebc787aSTomas Novotny 1021ebc787aSTomas Novotny ret = i2c_smbus_read_byte_data(data->client, VCNL4000_PROD_REV); 1031ebc787aSTomas Novotny if (ret < 0) 1041ebc787aSTomas Novotny return ret; 1051ebc787aSTomas Novotny 1061ebc787aSTomas Novotny prod_id = ret >> 4; 10758bf9aceSTomas Novotny switch (prod_id) { 10858bf9aceSTomas Novotny case VCNL4000_PROD_ID: 10958bf9aceSTomas Novotny if (data->id != VCNL4000) 11058bf9aceSTomas Novotny dev_warn(&data->client->dev, 11158bf9aceSTomas Novotny "wrong device id, use vcnl4000"); 11258bf9aceSTomas Novotny break; 11358bf9aceSTomas Novotny case VCNL4010_PROD_ID: 11458bf9aceSTomas Novotny if (data->id != VCNL4010) 11558bf9aceSTomas Novotny dev_warn(&data->client->dev, 11658bf9aceSTomas Novotny "wrong device id, use vcnl4010/4020"); 11758bf9aceSTomas Novotny break; 11858bf9aceSTomas Novotny default: 1191ebc787aSTomas Novotny return -ENODEV; 12058bf9aceSTomas Novotny } 1211ebc787aSTomas Novotny 1221ebc787aSTomas Novotny data->rev = ret & 0xf; 1231ebc787aSTomas Novotny data->al_scale = 250000; 124*be38866fSTomas Novotny mutex_init(&data->vcnl4000_lock); 125*be38866fSTomas Novotny 126*be38866fSTomas Novotny return 0; 127*be38866fSTomas Novotny }; 128*be38866fSTomas Novotny 129*be38866fSTomas Novotny static int vcnl4200_init(struct vcnl4000_data *data) 130*be38866fSTomas Novotny { 131*be38866fSTomas Novotny int ret; 132*be38866fSTomas Novotny 133*be38866fSTomas Novotny ret = i2c_smbus_read_word_data(data->client, VCNL4200_DEV_ID); 134*be38866fSTomas Novotny if (ret < 0) 135*be38866fSTomas Novotny return ret; 136*be38866fSTomas Novotny 137*be38866fSTomas Novotny if ((ret & 0xff) != VCNL4200_PROD_ID) 138*be38866fSTomas Novotny return -ENODEV; 139*be38866fSTomas Novotny 140*be38866fSTomas Novotny data->rev = (ret >> 8) & 0xf; 141*be38866fSTomas Novotny 142*be38866fSTomas Novotny /* Set defaults and enable both channels */ 143*be38866fSTomas Novotny ret = i2c_smbus_write_byte_data(data->client, VCNL4200_AL_CONF, 0x00); 144*be38866fSTomas Novotny if (ret < 0) 145*be38866fSTomas Novotny return ret; 146*be38866fSTomas Novotny ret = i2c_smbus_write_byte_data(data->client, VCNL4200_PS_CONF1, 0x00); 147*be38866fSTomas Novotny if (ret < 0) 148*be38866fSTomas Novotny return ret; 149*be38866fSTomas Novotny 150*be38866fSTomas Novotny data->al_scale = 24000; 151*be38866fSTomas Novotny data->vcnl4200_al.reg = VCNL4200_AL_DATA; 152*be38866fSTomas Novotny data->vcnl4200_ps.reg = VCNL4200_PS_DATA; 153*be38866fSTomas Novotny /* Integration time is 50ms, but the experiments show 54ms in total. */ 154*be38866fSTomas Novotny data->vcnl4200_al.sampling_rate = ktime_set(0, 54000 * 1000); 155*be38866fSTomas Novotny data->vcnl4200_ps.sampling_rate = ktime_set(0, 4200 * 1000); 156*be38866fSTomas Novotny data->vcnl4200_al.last_measurement = ktime_set(0, 0); 157*be38866fSTomas Novotny data->vcnl4200_ps.last_measurement = ktime_set(0, 0); 158*be38866fSTomas Novotny mutex_init(&data->vcnl4200_al.lock); 159*be38866fSTomas Novotny mutex_init(&data->vcnl4200_ps.lock); 1601ebc787aSTomas Novotny 1611ebc787aSTomas Novotny return 0; 1621ebc787aSTomas Novotny }; 1631ebc787aSTomas Novotny 16462a1efb9SPeter Meerwald static int vcnl4000_measure(struct vcnl4000_data *data, u8 req_mask, 16562a1efb9SPeter Meerwald u8 rdy_mask, u8 data_reg, int *val) 16662a1efb9SPeter Meerwald { 16762a1efb9SPeter Meerwald int tries = 20; 16891f197e0SLars-Peter Clausen __be16 buf; 16962a1efb9SPeter Meerwald int ret; 17062a1efb9SPeter Meerwald 171*be38866fSTomas Novotny mutex_lock(&data->vcnl4000_lock); 172ff34ed6dSPeter Meerwald-Stadler 17362a1efb9SPeter Meerwald ret = i2c_smbus_write_byte_data(data->client, VCNL4000_COMMAND, 17462a1efb9SPeter Meerwald req_mask); 17562a1efb9SPeter Meerwald if (ret < 0) 176ff34ed6dSPeter Meerwald-Stadler goto fail; 17762a1efb9SPeter Meerwald 17862a1efb9SPeter Meerwald /* wait for data to become ready */ 17962a1efb9SPeter Meerwald while (tries--) { 18062a1efb9SPeter Meerwald ret = i2c_smbus_read_byte_data(data->client, VCNL4000_COMMAND); 18162a1efb9SPeter Meerwald if (ret < 0) 182ff34ed6dSPeter Meerwald-Stadler goto fail; 18362a1efb9SPeter Meerwald if (ret & rdy_mask) 18462a1efb9SPeter Meerwald break; 18562a1efb9SPeter Meerwald msleep(20); /* measurement takes up to 100 ms */ 18662a1efb9SPeter Meerwald } 18762a1efb9SPeter Meerwald 18862a1efb9SPeter Meerwald if (tries < 0) { 18962a1efb9SPeter Meerwald dev_err(&data->client->dev, 19062a1efb9SPeter Meerwald "vcnl4000_measure() failed, data not ready\n"); 191ff34ed6dSPeter Meerwald-Stadler ret = -EIO; 192ff34ed6dSPeter Meerwald-Stadler goto fail; 19362a1efb9SPeter Meerwald } 19462a1efb9SPeter Meerwald 19562a1efb9SPeter Meerwald ret = i2c_smbus_read_i2c_block_data(data->client, 19662a1efb9SPeter Meerwald data_reg, sizeof(buf), (u8 *) &buf); 19762a1efb9SPeter Meerwald if (ret < 0) 198ff34ed6dSPeter Meerwald-Stadler goto fail; 19962a1efb9SPeter Meerwald 200*be38866fSTomas Novotny mutex_unlock(&data->vcnl4000_lock); 20162a1efb9SPeter Meerwald *val = be16_to_cpu(buf); 20262a1efb9SPeter Meerwald 20362a1efb9SPeter Meerwald return 0; 204ff34ed6dSPeter Meerwald-Stadler 205ff34ed6dSPeter Meerwald-Stadler fail: 206*be38866fSTomas Novotny mutex_unlock(&data->vcnl4000_lock); 207ff34ed6dSPeter Meerwald-Stadler return ret; 20862a1efb9SPeter Meerwald } 20962a1efb9SPeter Meerwald 210*be38866fSTomas Novotny static int vcnl4200_measure(struct vcnl4000_data *data, 211*be38866fSTomas Novotny struct vcnl4200_channel *chan, int *val) 212*be38866fSTomas Novotny { 213*be38866fSTomas Novotny int ret; 214*be38866fSTomas Novotny s64 delta; 215*be38866fSTomas Novotny ktime_t next_measurement; 216*be38866fSTomas Novotny 217*be38866fSTomas Novotny mutex_lock(&chan->lock); 218*be38866fSTomas Novotny 219*be38866fSTomas Novotny next_measurement = ktime_add(chan->last_measurement, 220*be38866fSTomas Novotny chan->sampling_rate); 221*be38866fSTomas Novotny delta = ktime_us_delta(next_measurement, ktime_get()); 222*be38866fSTomas Novotny if (delta > 0) 223*be38866fSTomas Novotny usleep_range(delta, delta + 500); 224*be38866fSTomas Novotny chan->last_measurement = ktime_get(); 225*be38866fSTomas Novotny 226*be38866fSTomas Novotny mutex_unlock(&chan->lock); 227*be38866fSTomas Novotny 228*be38866fSTomas Novotny ret = i2c_smbus_read_word_data(data->client, chan->reg); 229*be38866fSTomas Novotny if (ret < 0) 230*be38866fSTomas Novotny return ret; 231*be38866fSTomas Novotny 232*be38866fSTomas Novotny *val = ret; 233*be38866fSTomas Novotny 234*be38866fSTomas Novotny return 0; 235*be38866fSTomas Novotny } 236*be38866fSTomas Novotny 2371ebc787aSTomas Novotny static int vcnl4000_measure_light(struct vcnl4000_data *data, int *val) 2381ebc787aSTomas Novotny { 2391ebc787aSTomas Novotny return vcnl4000_measure(data, 2401ebc787aSTomas Novotny VCNL4000_AL_OD, VCNL4000_AL_RDY, 2411ebc787aSTomas Novotny VCNL4000_AL_RESULT_HI, val); 2421ebc787aSTomas Novotny } 2431ebc787aSTomas Novotny 244*be38866fSTomas Novotny static int vcnl4200_measure_light(struct vcnl4000_data *data, int *val) 245*be38866fSTomas Novotny { 246*be38866fSTomas Novotny return vcnl4200_measure(data, &data->vcnl4200_al, val); 247*be38866fSTomas Novotny } 248*be38866fSTomas Novotny 2491ebc787aSTomas Novotny static int vcnl4000_measure_proximity(struct vcnl4000_data *data, int *val) 2501ebc787aSTomas Novotny { 2511ebc787aSTomas Novotny return vcnl4000_measure(data, 2521ebc787aSTomas Novotny VCNL4000_PS_OD, VCNL4000_PS_RDY, 2531ebc787aSTomas Novotny VCNL4000_PS_RESULT_HI, val); 2541ebc787aSTomas Novotny } 2551ebc787aSTomas Novotny 256*be38866fSTomas Novotny static int vcnl4200_measure_proximity(struct vcnl4000_data *data, int *val) 257*be38866fSTomas Novotny { 258*be38866fSTomas Novotny return vcnl4200_measure(data, &data->vcnl4200_ps, val); 259*be38866fSTomas Novotny } 260*be38866fSTomas Novotny 2611ebc787aSTomas Novotny static const struct vcnl4000_chip_spec vcnl4000_chip_spec_cfg[] = { 2621ebc787aSTomas Novotny [VCNL4000] = { 2631ebc787aSTomas Novotny .prod = "VCNL4000", 2641ebc787aSTomas Novotny .init = vcnl4000_init, 2651ebc787aSTomas Novotny .measure_light = vcnl4000_measure_light, 2661ebc787aSTomas Novotny .measure_proximity = vcnl4000_measure_proximity, 2671ebc787aSTomas Novotny }, 26850c50b97STomas Novotny [VCNL4010] = { 26950c50b97STomas Novotny .prod = "VCNL4010/4020", 27050c50b97STomas Novotny .init = vcnl4000_init, 27150c50b97STomas Novotny .measure_light = vcnl4000_measure_light, 27250c50b97STomas Novotny .measure_proximity = vcnl4000_measure_proximity, 27350c50b97STomas Novotny }, 274*be38866fSTomas Novotny [VCNL4200] = { 275*be38866fSTomas Novotny .prod = "VCNL4200", 276*be38866fSTomas Novotny .init = vcnl4200_init, 277*be38866fSTomas Novotny .measure_light = vcnl4200_measure_light, 278*be38866fSTomas Novotny .measure_proximity = vcnl4200_measure_proximity, 279*be38866fSTomas Novotny }, 2801ebc787aSTomas Novotny }; 2811ebc787aSTomas Novotny 28262a1efb9SPeter Meerwald static const struct iio_chan_spec vcnl4000_channels[] = { 28362a1efb9SPeter Meerwald { 28462a1efb9SPeter Meerwald .type = IIO_LIGHT, 285bb7c5940SJonathan Cameron .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | 286bb7c5940SJonathan Cameron BIT(IIO_CHAN_INFO_SCALE), 28762a1efb9SPeter Meerwald }, { 28862a1efb9SPeter Meerwald .type = IIO_PROXIMITY, 289bb7c5940SJonathan Cameron .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), 29062a1efb9SPeter Meerwald } 29162a1efb9SPeter Meerwald }; 29262a1efb9SPeter Meerwald 29362a1efb9SPeter Meerwald static int vcnl4000_read_raw(struct iio_dev *indio_dev, 29462a1efb9SPeter Meerwald struct iio_chan_spec const *chan, 29562a1efb9SPeter Meerwald int *val, int *val2, long mask) 29662a1efb9SPeter Meerwald { 2975d693139SPeter Meerwald-Stadler int ret; 29862a1efb9SPeter Meerwald struct vcnl4000_data *data = iio_priv(indio_dev); 29962a1efb9SPeter Meerwald 30062a1efb9SPeter Meerwald switch (mask) { 30162a1efb9SPeter Meerwald case IIO_CHAN_INFO_RAW: 30262a1efb9SPeter Meerwald switch (chan->type) { 30362a1efb9SPeter Meerwald case IIO_LIGHT: 3041ebc787aSTomas Novotny ret = data->chip_spec->measure_light(data, val); 30562a1efb9SPeter Meerwald if (ret < 0) 30662a1efb9SPeter Meerwald return ret; 3075d693139SPeter Meerwald-Stadler return IIO_VAL_INT; 30862a1efb9SPeter Meerwald case IIO_PROXIMITY: 3091ebc787aSTomas Novotny ret = data->chip_spec->measure_proximity(data, val); 31062a1efb9SPeter Meerwald if (ret < 0) 31162a1efb9SPeter Meerwald return ret; 3125d693139SPeter Meerwald-Stadler return IIO_VAL_INT; 31362a1efb9SPeter Meerwald default: 3145d693139SPeter Meerwald-Stadler return -EINVAL; 31562a1efb9SPeter Meerwald } 31662a1efb9SPeter Meerwald case IIO_CHAN_INFO_SCALE: 3175d693139SPeter Meerwald-Stadler if (chan->type != IIO_LIGHT) 3185d693139SPeter Meerwald-Stadler return -EINVAL; 3195d693139SPeter Meerwald-Stadler 32062a1efb9SPeter Meerwald *val = 0; 3211ebc787aSTomas Novotny *val2 = data->al_scale; 3225d693139SPeter Meerwald-Stadler return IIO_VAL_INT_PLUS_MICRO; 32362a1efb9SPeter Meerwald default: 3245d693139SPeter Meerwald-Stadler return -EINVAL; 32562a1efb9SPeter Meerwald } 32662a1efb9SPeter Meerwald } 32762a1efb9SPeter Meerwald 32862a1efb9SPeter Meerwald static const struct iio_info vcnl4000_info = { 32962a1efb9SPeter Meerwald .read_raw = vcnl4000_read_raw, 33062a1efb9SPeter Meerwald }; 33162a1efb9SPeter Meerwald 332fc52692cSGreg Kroah-Hartman static int vcnl4000_probe(struct i2c_client *client, 33362a1efb9SPeter Meerwald const struct i2c_device_id *id) 33462a1efb9SPeter Meerwald { 33562a1efb9SPeter Meerwald struct vcnl4000_data *data; 33662a1efb9SPeter Meerwald struct iio_dev *indio_dev; 3371ebc787aSTomas Novotny int ret; 33862a1efb9SPeter Meerwald 3392669d723SPeter Meerwald indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*data)); 34062a1efb9SPeter Meerwald if (!indio_dev) 34162a1efb9SPeter Meerwald return -ENOMEM; 34262a1efb9SPeter Meerwald 34362a1efb9SPeter Meerwald data = iio_priv(indio_dev); 34462a1efb9SPeter Meerwald i2c_set_clientdata(client, indio_dev); 34562a1efb9SPeter Meerwald data->client = client; 3461ebc787aSTomas Novotny data->id = id->driver_data; 3471ebc787aSTomas Novotny data->chip_spec = &vcnl4000_chip_spec_cfg[data->id]; 34862a1efb9SPeter Meerwald 3491ebc787aSTomas Novotny ret = data->chip_spec->init(data); 35062a1efb9SPeter Meerwald if (ret < 0) 3512669d723SPeter Meerwald return ret; 35262a1efb9SPeter Meerwald 353d978bfddSPeter Meerwald-Stadler dev_dbg(&client->dev, "%s Ambient light/proximity sensor, Rev: %02x\n", 3541ebc787aSTomas Novotny data->chip_spec->prod, data->rev); 35562a1efb9SPeter Meerwald 35662a1efb9SPeter Meerwald indio_dev->dev.parent = &client->dev; 35762a1efb9SPeter Meerwald indio_dev->info = &vcnl4000_info; 35862a1efb9SPeter Meerwald indio_dev->channels = vcnl4000_channels; 35962a1efb9SPeter Meerwald indio_dev->num_channels = ARRAY_SIZE(vcnl4000_channels); 36062a1efb9SPeter Meerwald indio_dev->name = VCNL4000_DRV_NAME; 36162a1efb9SPeter Meerwald indio_dev->modes = INDIO_DIRECT_MODE; 36262a1efb9SPeter Meerwald 363691dab42SSachin Kamat return devm_iio_device_register(&client->dev, indio_dev); 36462a1efb9SPeter Meerwald } 36562a1efb9SPeter Meerwald 36662a1efb9SPeter Meerwald static struct i2c_driver vcnl4000_driver = { 36762a1efb9SPeter Meerwald .driver = { 36862a1efb9SPeter Meerwald .name = VCNL4000_DRV_NAME, 36962a1efb9SPeter Meerwald }, 37062a1efb9SPeter Meerwald .probe = vcnl4000_probe, 37162a1efb9SPeter Meerwald .id_table = vcnl4000_id, 37262a1efb9SPeter Meerwald }; 37362a1efb9SPeter Meerwald 37462a1efb9SPeter Meerwald module_i2c_driver(vcnl4000_driver); 37562a1efb9SPeter Meerwald 37662a1efb9SPeter Meerwald MODULE_AUTHOR("Peter Meerwald <pmeerw@pmeerw.net>"); 37762a1efb9SPeter Meerwald MODULE_DESCRIPTION("Vishay VCNL4000 proximity/ambient light sensor driver"); 37862a1efb9SPeter Meerwald MODULE_LICENSE("GPL"); 379