cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sysfs-bus-iio-dfsdm-adc-stm32 (642B)

      1What:		/sys/bus/iio/devices/iio:deviceX/in_voltage_spi_clk_freq
      2KernelVersion:	4.14
      3Contact:	arnaud.pouliquen@st.com
      4Description:
      5		For audio purpose only.
      6
      7		Used by audio driver to set/get the spi input frequency.
      8
      9		This is mandatory if DFSDM is slave on SPI bus, to
     10		provide information on the SPI clock frequency during runtime
     11		Notice that the SPI frequency should be a multiple of sample
     12		frequency to ensure the precision.
     13
     14		if DFSDM input is SPI master:
     15
     16			Reading  SPI clkout frequency,
     17			error on writing
     18
     19		If DFSDM input is SPI Slave:
     20
     21			Reading returns value previously set.
     22			Writing value before starting conversions.