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[v2,0/2] iio/adc-joystick: buffer data parsing fixes

Message ID 20230521225901.388455-1-contact@artur-rojek.eu
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Series iio/adc-joystick: buffer data parsing fixes | expand

Message

Artur Rojek May 21, 2023, 10:58 p.m. UTC 
Hi all,

this is a long overdue v2 for fixes [1] related to adc-joystick channel
parsing.

Patch [1/2] now also addresses a case where a readout of ADC data
containing samples for two channels, where only one channel is active,
would push the data into a buffer without discarding the disabled
channel first.

Patch [2/2] addresses concerns about exposure to channels the clients
shouldn't know about. The IIO helpers from v1 are gone and the offsets
are now calculated based only on the channels adc-joystick has access
to.

Tested on GCW Zero (by me) and on Anbernic RG350 (by Paul).

[1] https://lore.kernel.org/all/20220817105643.95710-1-contact@artur-rojek.eu/ 

Cheers,
Artur

Artur Rojek (2):
  iio/adc: ingenic: Fix channel offsets in buffer
  input: joystick: Fix buffer data parsing

 drivers/iio/adc/ingenic-adc.c         |  20 +++--
 drivers/input/joystick/adc-joystick.c | 102 +++++++++++++++++++++++---
 2 files changed, 103 insertions(+), 19 deletions(-)