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| author | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2020-10-30 10:40:39 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-10-30 15:07:01 +0300 |
| commit | 34433332841de2787f903fcf7de8dc3e06780f4a (patch) | |
| tree | 77f3ceec7fbb1a5d8def1fc501233ee0bbd9b950 /Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 | |
| parent | 98913408c5465ac477f80da7affe347b413edaa4 (diff) | |
| download | linux-34433332841de2787f903fcf7de8dc3e06780f4a.tar.xz | |
docs: ABI: testing: make the files compatible with ReST output
Some files over there won't parse well by Sphinx.
Fix them.
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com> # for IIO
Acked-by: Fabrice Gasnier <fabrice.gasnier@st.com>
Acked-by: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/58cf3c2d611e0197fb215652719ebd82ca2658db.1604042072.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32')
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 index 0e66ae9b0071..91439d6d60b5 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 +++ b/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 @@ -3,14 +3,20 @@ KernelVersion: 4.14 Contact: arnaud.pouliquen@st.com Description: For audio purpose only. + Used by audio driver to set/get the spi input frequency. + This is mandatory if DFSDM is slave on SPI bus, to provide information on the SPI clock frequency during runtime Notice that the SPI frequency should be a multiple of sample frequency to ensure the precision. - if DFSDM input is SPI master + + if DFSDM input is SPI master: + Reading SPI clkout frequency, error on writing + If DFSDM input is SPI Slave: + Reading returns value previously set. Writing value before starting conversions. |