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authorLaxman Dewangan <ldewangan@nvidia.com>2016-01-13 09:56:40 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2016-01-13 11:18:05 +0300
commitc4dc5f8c953f23d45329abc8b8e04f0c1e314a75 (patch)
tree75884e1e5d4b786acbfe64cb91b6f3f9f426506e
parent85c017f2f1a6ae213b08c9d694202df8c912c614 (diff)
downloadlinux-c4dc5f8c953f23d45329abc8b8e04f0c1e314a75.tar.xz
Input: gpio-keys - allow setting input device name in DT
Allow specifying name if input device via device tree property. This helps userspace code to get name and perform proper event to key mapping in some cases (for example, on Android). Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-rw-r--r--Documentation/devicetree/bindings/input/gpio-keys.txt1
-rw-r--r--drivers/input/keyboard/gpio_keys.c2
2 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/input/gpio-keys.txt b/Documentation/devicetree/bindings/input/gpio-keys.txt
index cf1333d1dd52..21641236c095 100644
--- a/Documentation/devicetree/bindings/input/gpio-keys.txt
+++ b/Documentation/devicetree/bindings/input/gpio-keys.txt
@@ -6,6 +6,7 @@ Required properties:
Optional properties:
- autorepeat: Boolean, Enable auto repeat feature of Linux input
subsystem.
+ - label: String, name of the input device.
Each button (key) is represented as a sub-node of "gpio-keys":
Subnode properties:
diff --git a/drivers/input/keyboard/gpio_keys.c b/drivers/input/keyboard/gpio_keys.c
index b9f01bd1b7ef..671cdc9a6aea 100644
--- a/drivers/input/keyboard/gpio_keys.c
+++ b/drivers/input/keyboard/gpio_keys.c
@@ -645,6 +645,8 @@ gpio_keys_get_devtree_pdata(struct device *dev)
pdata->rep = !!of_get_property(node, "autorepeat", NULL);
+ of_property_read_string(node, "label", &pdata->name);
+
i = 0;
for_each_child_of_node(node, pp) {
enum of_gpio_flags flags;