diff options
Diffstat (limited to 'drivers/iio/temperature')
| -rw-r--r-- | drivers/iio/temperature/ltc2983.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/iio/temperature/ltc2983.c b/drivers/iio/temperature/ltc2983.c index 3b4a0e60e605..22e6a26ce6b1 100644 --- a/drivers/iio/temperature/ltc2983.c +++ b/drivers/iio/temperature/ltc2983.c @@ -1470,6 +1470,7 @@ static int ltc2983_probe(struct spi_device *spi) { struct ltc2983_data *st; struct iio_dev *indio_dev; + struct gpio_desc *gpio; const char *name = spi_get_device_id(spi)->name; int ret; @@ -1494,6 +1495,16 @@ static int ltc2983_probe(struct spi_device *spi) if (ret) return ret; + gpio = devm_gpiod_get_optional(&st->spi->dev, "reset", GPIOD_OUT_HIGH); + if (IS_ERR(gpio)) + return PTR_ERR(gpio); + + if (gpio) { + /* bring the device out of reset */ + usleep_range(1000, 1200); + gpiod_set_value_cansleep(gpio, 0); + } + ret = ltc2983_setup(st, true); if (ret) return ret; |