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authorIan Abbott <abbotti@mev.co.uk>2021-03-01 19:57:53 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2021-03-10 11:25:31 +0300
commit46ffba0622f7171208fa2ec9d9d4ddc51c9ae1b4 (patch)
tree6c12698d20062426a6eac1ea7ec28882c2f42ef9 /scripts
parent7a3f3a7005cba9cfc1a0d50978f3eb7f3094e02f (diff)
downloadlinux-46ffba0622f7171208fa2ec9d9d4ddc51c9ae1b4.tar.xz
staging: comedi: dt2814: Don't wait for conversion in interrupt handler
When the interrupt handler decides the final sample has been acquired, it turns off the timer enable (ENB) bit in the Command register. That triggers another A/D conversion. The interrupt handler currently waits for that to finish and then reads the resulting, unwanted sample. Since the functions for handling Comedi read instructions and for setting up asynchronous commands now call `dt2814_ai_clear()` to wait for and discard any spurious A/D conversion, let's remove that code from the interrupt handler. Signed-off-by: Ian Abbott <abbotti@mev.co.uk> Link: https://lore.kernel.org/r/20210301165757.243065-3-abbotti@mev.co.uk Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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