[PATCH] Input: hid-input: Add suport for the brightness control keys on HP keyboards
From: Keng-Yu Lin
Date: Fri Jul 06 2012 - 06:06:17 EST
The keys are found on the keyboards bundled with HP All-In-One machines
with USB VID/PID of 04ca:004d and 04f2:1061.
Signed-off-by: Keng-Yu Lin <kengyu@xxxxxxxxxxxxx>
---
drivers/hid/hid-input.c | 9 +++++++++
include/linux/hid.h | 1 +
2 files changed, 10 insertions(+)
diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index f333139..ecb8e48 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -648,6 +648,15 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
}
break;
+ case HID_UP_HPVENDOR2:
+ set_bit(EV_REP, input->evbit);
+ switch (usage->hid & HID_USAGE) {
+ case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break;
+ case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break;
+ default: goto ignore;
+ }
+ break;
+
case HID_UP_MSVENDOR:
goto ignore;
diff --git a/include/linux/hid.h b/include/linux/hid.h
index c235e4e..4365959 100644
--- a/include/linux/hid.h
+++ b/include/linux/hid.h
@@ -198,6 +198,7 @@ struct hid_item {
#define HID_UP_DIGITIZER 0x000d0000
#define HID_UP_PID 0x000f0000
#define HID_UP_HPVENDOR 0xff7f0000
+#define HID_UP_HPVENDOR2 0xff010000
#define HID_UP_MSVENDOR 0xff000000
#define HID_UP_CUSTOM 0x00ff0000
#define HID_UP_LOGIVENDOR 0xffbc0000
--
1.7.9.5
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