diff options
author | Phil Reid <preid@electromag.com.au> | 2017-01-16 16:38:24 +0800 |
---|---|---|
committer | Jonathan Cameron <jic23@kernel.org> | 2017-01-22 13:21:28 +0000 |
commit | ac2bec9d587c6a423a00c7a2d21a8a5928dfedf5 (patch) | |
tree | 84fd27c6fb2daeb02b0485067bbd700e56c2a16f /drivers/iio/adc/max11100.c | |
parent | 0dbe71c274550a4a848f0b0753337a57f9125c92 (diff) |
iio: adc: tlc4541: add support for TI tlc4541 adc
This adds TI's tlc4541 16-bit ADC driver. Which is a single channel
ADC. Supports raw and trigger buffer access.
Also supports the tlc3541 14-bit device, which has not been tested.
Implementation of the tlc3541 is fairly straight forward thou.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
Diffstat (limited to 'drivers/iio/adc/max11100.c')
-rw-r--r-- | drivers/iio/adc/max11100.c | 17 |
1 files changed, 3 insertions, 14 deletions
diff --git a/drivers/iio/adc/max11100.c b/drivers/iio/adc/max11100.c index b738ecf1b234..a088cf99bfe1 100644 --- a/drivers/iio/adc/max11100.c +++ b/drivers/iio/adc/max11100.c @@ -30,7 +30,6 @@ #define MAX11100_LSB_DIV (1 << 16) struct max11100_state { - const struct max11100_chip_desc *desc; struct regulator *vref_reg; struct spi_device *spi; @@ -49,14 +48,6 @@ static struct iio_chan_spec max11100_channels[] = { }, }; -static struct max11100_chip_desc { - unsigned int num_chan; - const struct iio_chan_spec *channels; -} max11100_desc = { - .num_chan = ARRAY_SIZE(max11100_channels), - .channels = max11100_channels, -}; - static int max11100_read_single(struct iio_dev *indio_dev, int *val) { int ret; @@ -127,15 +118,14 @@ static int max11100_probe(struct spi_device *spi) state = iio_priv(indio_dev); state->spi = spi; - state->desc = &max11100_desc; indio_dev->dev.parent = &spi->dev; indio_dev->dev.of_node = spi->dev.of_node; indio_dev->name = "max11100"; indio_dev->info = &max11100_info; indio_dev->modes = INDIO_DIRECT_MODE; - indio_dev->channels = state->desc->channels; - indio_dev->num_channels = state->desc->num_chan; + indio_dev->channels = max11100_channels, + indio_dev->num_channels = ARRAY_SIZE(max11100_channels), state->vref_reg = devm_regulator_get(&spi->dev, "vref"); if (IS_ERR(state->vref_reg)) @@ -162,9 +152,8 @@ static int max11100_remove(struct spi_device *spi) struct iio_dev *indio_dev = spi_get_drvdata(spi); struct max11100_state *state = iio_priv(indio_dev); - regulator_disable(state->vref_reg); - iio_device_unregister(indio_dev); + regulator_disable(state->vref_reg); return 0; } |