| commit | 157378f43faad830e4aa3815bde5fa9f9a9f5be6 | [log] [tgz] |
|---|---|---|
| author | Olivier Deprez <olivier.deprez@arm.com> | Mon Apr 04 15:47:50 2022 +0200 |
| committer | Olivier Deprez <olivier.deprez@arm.com> | Mon Apr 04 17:19:45 2022 +0200 |
| tree | a6c9afae04d547459872e71460db6f8a454a070c | |
| parent | 0e64123141f3854e695eb4924d82b52856691466 [diff] [blame] |
Update Linux to v5.10.109 Sourced from [1] [1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 b/Documentation/ABI/testing/sysfs-bus-iio-dfsdm-adc-stm32 index 0e66ae9..91439d6 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 @@ 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.