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Match alignment information in composite type declarations used by packed
HOSTCMD report structures. Compiler packing attribute is not recursive for
inner declarations. Mismatched alignment information can cause undefined
behavior in code generated for accessing composite type members. struct
pointers passed to thunderstrike_parse_board_info_payload and
thunderstrike_parse_haptics_payload are an example of this being
potentially problematic since alignment information from the packed HOSTCMD
report is lost.
Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202307041500.6bKn7nCl-lkp@intel.com/
Link: https://github.com/llvm/llvm-project/issues/55520#issuecomment-1128617570
Link: https://gcc.gnu.org/onlinedocs/gcc-13.1.0/gcc/Common-Type-Attributes.html#index-packed-type-attribute
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Link: https://lore.kernel.org/r/20230705060414.581468-1-rrameshbabu@nvidia.com
Signed-off-by: Benjamin Tissoires <bentiss@kernel.org>
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Expose the 2017 SHIELD controller (Thunderstrike) LED through the kernel
LED API.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Map Android Home, Back, Search, VolumeUp, VolumeDown, and PlayPause buttons
to the appropriate input event codes.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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Supports the Thunderstrike (SHIELD 2017) controller. Implements support for
the Thunderstrike HOSTCMD firmware interface. Adds sysfs attributes about a
SHIELD device and introduces haptics support for controllers.
Signed-off-by: Rahul Rameshbabu <rrameshbabu@nvidia.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
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