linux-kernel - [PATCH v1 0/2] Input: ads7846: reduce SPI related CPU load

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Message-Id: <20201110085041.16303-1-o.rempel@pengutronix.de>
Date:   Tue, 10 Nov 2020 09:50:39 +0100
From:   Oleksij Rempel <o.rempel@...gutronix.de>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Alexandru Ardelean <alexandru.ardelean@...log.com>,
        Mark Brown <broonie@...nel.org>
Cc:     Oleksij Rempel <o.rempel@...gutronix.de>, kernel@...gutronix.de,
        linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
        linux-spi@...r.kernel.org, David Jander <david@...tonic.nl>
Subject: [PATCH v1 0/2] Input: ads7846: reduce SPI related CPU load 

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(-)

-- 
2.28.0