drivers/iio/adc/ltc2309.c

142

static int ltc2309_read_raw_channel(struct ltc2309 *ltc2309,

drivers/iio/adc/ltc2309.c

153

ret = i2c_smbus_write_byte(ltc2309->client, din);

drivers/iio/adc/ltc2309.c

155

dev_err(ltc2309->dev, "i2c command failed: %pe\n",

drivers/iio/adc/ltc2309.c

160

if (ltc2309->read_delay_us)

drivers/iio/adc/ltc2309.c

161

fsleep(ltc2309->read_delay_us);

drivers/iio/adc/ltc2309.c

163

ret = i2c_master_recv(ltc2309->client, (char *)&buf, 2);

drivers/iio/adc/ltc2309.c

165

dev_err(ltc2309->dev, "i2c read failed: %pe\n", ERR_PTR(ret));

drivers/iio/adc/ltc2309.c

178

struct ltc2309 *ltc2309 = iio_priv(indio_dev);

drivers/iio/adc/ltc2309.c

183

mutex_lock(&ltc2309->lock);

drivers/iio/adc/ltc2309.c

184

ret = ltc2309_read_raw_channel(ltc2309, chan->address, val);

drivers/iio/adc/ltc2309.c

185

mutex_unlock(&ltc2309->lock);

drivers/iio/adc/ltc2309.c

190

*val = ltc2309->vref_mv;

drivers/iio/adc/ltc2309.c

206

struct ltc2309 *ltc2309;

drivers/iio/adc/ltc2309.c

209

indio_dev = devm_iio_device_alloc(&client->dev, sizeof(*ltc2309));

drivers/iio/adc/ltc2309.c

213

ltc2309 = iio_priv(indio_dev);

drivers/iio/adc/ltc2309.c

216

ltc2309->dev = &indio_dev->dev;

drivers/iio/adc/ltc2309.c

217

ltc2309->client = client;

drivers/iio/adc/ltc2309.c

218

ltc2309->read_delay_us = chip_info->read_delay_us;

drivers/iio/adc/ltc2309.c

228

return dev_err_probe(ltc2309->dev, ret,

drivers/iio/adc/ltc2309.c

231

ltc2309->vref_mv = ret == -ENODEV ? LTC2309_INTERNAL_REF_MV : ret / 1000;

drivers/iio/adc/ltc2309.c

233

mutex_init(&ltc2309->lock);