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authorJiri Kosina <jkosina@suse.cz>2011-08-25 14:21:37 +0200
committerJiri Kosina <jkosina@suse.cz>2011-08-25 14:21:37 +0200
commit35d851df23b093ee027f827fed2213ae5e88fc7a (patch)
tree5d58433eb825ef78243ce2b67f4367598a2daf0f /drivers/base/regmap/regmap-spi.c
parentHID: magicmouse: Set resolution of touch surfaces (diff)
downloadlinux-dev-35d851df23b093ee027f827fed2213ae5e88fc7a.tar.xz
linux-dev-35d851df23b093ee027f827fed2213ae5e88fc7a.zip
HID: magicmouse: ignore 'ivalid report id' while switching modes, v2
This is basically a more generic respin of 23746a6 ("HID: magicmouse: ignore 'ivalid report id' while switching modes") which got reverted later by c3a492. It turns out that on some configurations, this is actually still the case and we are not able to detect in runtime. The device reponds with 'invalid report id' when feature report switching it into multitouch mode is sent to it. This has been silently ignored before 0825411ade ("HID: bt: Wait for ACK on Sent Reports"), but since this commit, it propagates -EIO from the _raw callback . So let the driver ignore -EIO as response to 0xd7,0x01 report, as that's how the device reacts in normal mode. Sad, but following reality. This fixes https://bugzilla.kernel.org/show_bug.cgi?id=35022 Reported-by: Chase Douglas <chase.douglas@canonical.com> Reported-by: Jaikumar Ganesh <jaikumarg@android.com> Tested-by: Chase Douglas <chase.douglas@canonical.com> Tested-by: Jaikumar Ganesh <jaikumarg@android.com> Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'drivers/base/regmap/regmap-spi.c')
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