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iio: st_pressure: Export sampling frequency for lps25h and lps331ap

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Both devices are using the same iio_chan_spec to define which settings
are exported with sysfs. Both are properly configured to set/get
sampling frequency for pressure and temperature. They also properly
export available sampling frequencies. The only missing thing is
sampling_frequency sysfs file, which allows to set/get this property
from userspace.

Add sampling frequency to iio channel info mask, so sampling_frequency
file is properly exported using sysfs.

Signed-off-by: Marcin Niestroj <m.niestroj@grinn-global.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Marcin Niestroj 2016-12-12 17:58:43 +01:00 committed by Jonathan Cameron
parent 1b211d48ab
commit 7f0d874036
1 changed files with 2 additions and 0 deletions
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2
drivers/iio/pressure/st_pressure_core.c
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@ -143,6 +143,7 @@ static const struct iio_chan_spec st_press_1_channels[] = {
},
.info_mask_separate =
BIT(IIO_CHAN_INFO_RAW) | BIT(IIO_CHAN_INFO_SCALE),
.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),
},
{
.type = IIO_TEMP,
@ -158,6 +159,7 @@ static const struct iio_chan_spec st_press_1_channels[] = {
BIT(IIO_CHAN_INFO_RAW) |
BIT(IIO_CHAN_INFO_SCALE) |
BIT(IIO_CHAN_INFO_OFFSET),
.info_mask_shared_by_all = BIT(IIO_CHAN_INFO_SAMP_FREQ),
},
IIO_CHAN_SOFT_TIMESTAMP(2)
};