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authorZhang Rui <rui.zhang@intel.com>2009-06-22 05:31:14 +0200
committerLen Brown <len.brown@intel.com>2009-06-24 05:19:13 +0200
commit056c308d3e4859334b519033d62ef050f0e0e261 (patch)
tree8d7a995782d043c6417aef7740edf617c2431de1 /drivers/input/misc/ati_remote2.c
parentLinux 2.6.30 (diff)
downloadlinux-056c308d3e4859334b519033d62ef050f0e0e261.tar.xz
linux-056c308d3e4859334b519033d62ef050f0e0e261.zip
Show the physical device node of backlight class device.
Create symbol link from backlight class device to ACPI video device. More and more laptops are shipped with multiple ACPI video devices, while we export only one of them to userspace. With this patch applied, we can know which ACPI video device is used by "cat /sys/class/backlight/acpi_video0/device/path". Signed-off-by: Zhang Rui <rui.zhang@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/input/misc/ati_remote2.c')
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