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Commit 5c6954f is actually a no-op, since static variables are already zero'ed
by default anyway (but we keep it for clarity). The real difference was that a
build with -O0 wor while a build with -O2 didn't.
Turns out that some ioctls do not actually touch the result buffer in some
cases, so we need to zero the result buffers to avoid interpreting random da as
CD properties.
https://launchpad.net/bugs/559723https://launchpad.net/bugs/561585
In cases where cdrom_id does not go through the entire code path and one of the
probing functions returns -1 or exits early, the remaining variables were never
initialized. This caused effects like "phantom" audio CDs on empty drives, or
bogus data like ID_CDROM_MEDIA_TRACK_COUNT=22528.
Initialize the variables right away to avoid that.
Bug-Ubuntu: https://launchpad.net/bugs/559723
We can not predict the major/minor of non-existing devices:
$ grep . /sys/class/block/sd*/dev
/sys/class/block/sda1/dev:259:524288
/sys/class/block/sda2/dev:259:262144
/sys/class/block/sda3/dev:259:786432
/sys/class/block/sda4/dev:259:131072
/sys/class/block/sda/dev:259:0
/sys/class/block/sdb/dev:259:655360
/sys/class/block/sdc/dev:259:393216
If this functionality is still needed for some broken hardware, it needs to be
solved with a tool not part of the udev package. Because such option is unreliable
and unsafe to use.
We might fight about the device with polling processes, or other
users who probe the device. Retry a few times if the other one goes
away in the meantime.
Based on a patch from Harald Hoyer.
There is another keycode that some Dell machines that are about to ship,
or shipping are using for touchpad toggle. That code is 0x9E.
Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Martin Pitt <martin.pitt@ubuntu.com>
This patch fixes the Dell Studio 1558 to give a key release when a
volume key is pressed. This is the same as the 1557.
Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Martin Pitt <martin.pitt@ubuntu.com>
Now that Dell has changed the functionality of upcoming machines with
touchpad toggle to only use keycode 0xD9 .. and not 0xD8 & 0xD9. It
seems best to add this back to the general map of Dell buttons. Just
incase a machine in the future uses this later.
Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Martin Pitt <martin.pitt@ubuntu.com>
After working very closely with Dell. They have now completely changed
the way they have implemented there touchpad hotkey for upcoming
machines.
It now only generates a single keycode (0xD9). It nolonger does anything
in hardware, nor does it generate more then this keycode.
This patch properly maps this keycode.
Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Martin Pitt <martin.pitt@ubuntu.com>
This patch fixes it so that new upcoming Dell machines will work
correctly if users presses the touchpad toggle key.
Currently 0xD8 is being mapped to sleep. Though this is only done by the
Latitude XT* laptops. Many upcoming Laptops from Dell are mapping this
key to "toogle touchpad off" .. giving the OS notification that it has
just turned off the touchpad.
Though their is an issue in that if this key is mapped the hardware
first toogles .. then the software tries to do the samething after, if
they fall out of sync ... no more touchpad. So leave out mapping these
keys for now.
Signed-off-by: Jerone Young <jerone.young@canonical.com>
Signed-off-by: Martin Pitt <martin.pitt@ubuntu.com>
extras/gudev/docs/Makefile.am:4: require Automake 1.10, but have 1.9.6
libudev/docs/Makefile.am:4: require Automake 1.10, but have 1.9.6
Signed-off-by: Martin Pitt <martin.pitt@ubuntu.com>
When a custom rule sets ACL_MANAGE to 0 to disable ACL management for a
particular device, handle this as "disabled", by explicitly checking against
"1" instead of "nonempty".
Thanks to Rafał Rzepecki for pointing this out.
