On 08/17/2011 12:59 PM, Jaikumar Ganesh wrote:

From: Jiri Kosina <redacted>

23746a introduced this commit but was reverted in c3a492.
The trackpad uses report Ids which are not present in the
report descriptor. These reports ids are not documented
anywhere. There are devices in the market (Apple magic tracpkad,
BT version 2.0 is one such device) with the same device id,
which fail when we use 0xd7 as the report id. So we need the EIO
change of 23746a as a failsafe to work with these devices.

Original Author: Jiri Kosina [off-list ref]

Signed-off-by: Jaikumar Ganesh <redacted>

I worry this may just be papering over a bug elsewhere in the system
again. I'm going to try to git bisect this today.

-- Chase