After user space writes the fw_file attribute to push new firmware
to the device, the driver calls iqs5xx_dev_init() to re-initialize
the device with the updated firmware or recover the device in case
the update failed.
In the case of the latter, however, iqs5xx_fw_file_write() returns
zero (success) so long as iqs5xx_dev_init() does not fail, and any
error encountered during the update process is lost. Solve this by
saving the error before calling iqs5xx_dev_init().
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/1611002626-5889-3-git-send-email-jeff@labundy.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Copyrights are generally followed by the name of a person or a
company (i.e. the copyright holder) but that was not done here.
Fix this by squashing the 'copyright' and 'author' lines.
Also, trim some leading whitespace ahead of the parameters for
the fw_file_store() function and re-align them for readability.
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/1611002626-5889-2-git-send-email-jeff@labundy.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'v5.2' into next
Sync up with mainline to resolve conflicts in iforce driver.
Calling input_mt_init_slots() copies ABS_MT_POSITION_X to ABS_X and
so on, but doing so before calling touchscreen_parse_properties()
leaves ABS_X min = max = 0 which may prompt an X server to ignore
the device.
To solve this problem, wait to call input_mt_init_slots() until all
absolute axis information has been resolved (whether that's through
device tree via touchscreen_parse_properties() or from reading from
the device directly).
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Calling i2c_set_clientdata() is enough.
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Acked-by: Jeff LaBundy <jeff@labundy.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This patch adds support for the Azoteq IQS550/572/525 family of
trackpad/touchscreen controllers.
The driver has been tested with an IQS550EV02 evaluation board. A
demonstration of the driver's capabilities is available here:
https://youtu.be/sRNNx4XZBts
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Jeff LaBundy