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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org,
        Dmitry Torokhov <dmitry.torokhov@gmail.com>,
        Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.19 014/113] HID: input: add mapping for Expose/Overview key
Date:   Wed, 15 May 2019 12:55:05 +0200
Message-Id: <20190515090654.596677937@linuxfoundation.org>
In-Reply-To: <20190515090652.640988966@linuxfoundation.org>
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[ Upstream commit 96dd86871e1fffbc39e4fa61c9c75ec54ee9af0f ]

According to HUTRR77 usage 0x29f from the consumer page is reserved for
the Desktop application to present all running user’s application windows.
Linux defines KEY_SCALE to request Compiz Scale (Expose) mode, so let's
add the mapping.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
 drivers/hid/hid-input.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index e649940e065da..a9892cabe7cd8 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -1026,6 +1026,8 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 		case 0x2cb: map_key_clear(KEY_KBDINPUTASSIST_ACCEPT);	break;
 		case 0x2cc: map_key_clear(KEY_KBDINPUTASSIST_CANCEL);	break;
 
+		case 0x29f: map_key_clear(KEY_SCALE);		break;
+
 		default: map_key_clear(KEY_UNKNOWN);
 		}
 		break;
-- 
2.20.1