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(parent: 7c41fe5) | patch
drm/panel/raspberrypi-touchscreen: Handle I2C errors.
authorDave Stevenson <dave.stevenson@raspberrypi.com>
Wed, 8 Sep 2021 13:21:38 +0000 (14:21 +0100)
committerPhil Elwell <8911409+pelwell@users.noreply.github.com>
Tue, 14 Sep 2021 12:04:20 +0000 (13:04 +0100)
commit5dcd3048b251423d26a122c14177a8b74d7a0bcd
tree7327544e4fe501a798c19c98404397fc36647438tree | snapshot
parent7c41fe5e1e906c189dfa0e06ee599b6510582adecommit | diff
drm/panel/raspberrypi-touchscreen: Handle I2C errors.

rpi_touchscreen_i2c_read returns any errors from i2c_transfer,
or the 8 bit received value.
Check for error values before trying to process the data as
valid.

Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
drivers/gpu/drm/panel/panel-raspberrypi-touchscreen.c diff | blob | history
Domain: System / Kernel;