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From:   Dmitry Torokhov <dmitry.torokhov@gmail.com>
To:     Jiri Kosina <jikos@kernel.org>,
        Benjamin Tissoires <benjamin.tissoires@redhat.com>
Cc:     linux-input@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 7/7] HID: input: add mapping for "Toggle Display" key
Date:   Fri, 18 Jan 2019 15:30:37 -0800
Message-Id: <20190118233037.87318-7-dmitry.torokhov@gmail.com>
In-Reply-To: <20190118233037.87318-1-dmitry.torokhov@gmail.com>
References: <20190118233037.87318-1-dmitry.torokhov@gmail.com>
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According to HUT 1.12 usage 0xb5 from the generic desktop page is reserved
for switching between external and internal display, so let's add the
mapping.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
---

This can be applied independently.

 drivers/hid/hid-input.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c
index ecb1b6f26853..da76358cde06 100644
--- a/drivers/hid/hid-input.c
+++ b/drivers/hid/hid-input.c
@@ -677,6 +677,14 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel
 			break;
 		}
 
+		if ((usage->hid & 0xf0) == 0xb0) {	/* SC - Display */
+			switch (usage->hid & 0xf) {
+			case 0x05: map_key_clear(KEY_SWITCHVIDEOMODE); break;
+			default: goto ignore;
+			}
+			break;
+		}
+
 		/*
 		 * Some lazy vendors declare 255 usages for System Control,
 		 * leading to the creation of ABS_X|Y axis and too many others.
-- 
2.20.1.321.g9e740568ce-goog