linux-kernel - [PATCH] HID: corsair: fix mapping of non-keyboard usages

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Date:	Tue, 16 Feb 2016 18:38:24 +0100
From:	=?UTF-8?q?Cl=C3=A9ment=20Vuchener?= 
	<clement.vuchener@...il.com>
To:	Jiri Kosina <jikos@...nel.org>
Cc:	Benjamin Tissoires <benjamin.tissoires@...hat.com>,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: [PATCH] HID: corsair: fix mapping of non-keyboard usages

This fixes a bug where the Volume Up key was ignored because it uses the same usage code as G18. Special Corsair usage codes are in the keyboard page, other pages should be left to the generic driver.

Signed-off-by: Clément Vuchener <clement.vuchener@...il.com>
---
 drivers/hid/hid-corsair.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/hid/hid-corsair.c b/drivers/hid/hid-corsair.c
index 5855196..717704e 100644
--- a/drivers/hid/hid-corsair.c
+++ b/drivers/hid/hid-corsair.c
@@ -595,6 +595,9 @@ static int corsair_input_mapping(struct hid_device *dev,
 {
 	int gkey;
 
+	if ((usage->hid & HID_USAGE_PAGE) != HID_UP_KEYBOARD)
+		return 0;
+
 	gkey = corsair_usage_to_gkey(usage->hid & HID_USAGE);
 	if (gkey != 0) {
 		hid_map_usage_clear(input, usage, bit, max, EV_KEY,
-- 
2.5.0