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[v1,0/2] Input: ads7846: reduce SPI related CPU load

Message ID 20201110085041.16303-1-o.rempel@pengutronix.de (mailing list archive)
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Series Input: ads7846: reduce SPI related CPU load | expand

Message

Oleksij Rempel Nov. 10, 2020, 8:50 a.m. UTC 
changes v2:
- add back settle_delay_usecs support
- execute power down on the end of the main transfer.
- make it work with 2.5MHz SPI clock

This series is optimizing SPI transfer related CPU load.

Oleksij Rempel (2):
  Input: ads7846: convert to full duplex
  Input: ads7846: convert to one message

 drivers/input/touchscreen/ads7846.c | 456 ++++++++++++----------------
 1 file changed, 199 insertions(+), 257 deletions(-)