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authorHans de Goede <hdegoede@redhat.com>2017-02-12 12:33:22 +0100
committerHans de Goede <hdegoede@redhat.com>2017-02-12 12:43:23 +0100
commit57bb707d48131f4daad2b1b746eab586eb66b4f3 (patch)
treeb5bffb062f6b8d223a31992a72cf49785a4be75a /rules
parent6818c54ca6663c008fad77d2677c61758c7215f5 (diff)
rules: Add extended evdev/input match rules for event nodes with the same name
Sometimes a system may have 2 input event nodes with the same name where we only want to apply keyboard hwdb rules to 1 of the 2 devices. This problem happens e.g. on devices where the soc_button_array driver is used (e.g. intel atom based tablets) which registers 2 event nodes with the name "gpio-keys". This commit adds a new extended match rule which extends the match to also check $attr{phys} and $attr{capabilities/ev}, allowing to differentiate between devices with an identical name. Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'rules')
-rw-r--r--rules/60-evdev.rules4
1 files changed, 4 insertions, 0 deletions
diff --git a/rules/60-evdev.rules b/rules/60-evdev.rules
index ade7e7f646..f5d5ba6a5f 100644
--- a/rules/60-evdev.rules
+++ b/rules/60-evdev.rules
@@ -12,6 +12,10 @@ ENV{ID_INPUT_KEY}=="?*", DRIVERS=="atkbd", \
IMPORT{builtin}="hwdb 'evdev:atkbd:$attr{[dmi/id]modalias}'", \
RUN{builtin}+="keyboard", GOTO="evdev_end"
+# device matching the input device name + properties + the machine's DMI data
+KERNELS=="input*", IMPORT{builtin}="hwdb 'evdev:name:$attr{name}:phys:$attr{phys}:ev:$attr{capabilities/ev}:$attr{[dmi/id]modalias}'", \
+ RUN{builtin}+="keyboard", GOTO="evdev_end"
+
# device matching the input device name and the machine's DMI data
KERNELS=="input*", IMPORT{builtin}="hwdb 'evdev:name:$attr{name}:$attr{[dmi/id]modalias}'", \
RUN{builtin}+="keyboard", GOTO="evdev_end"