linux-kernel - [PATCH 4.19 125/239] HID: apple: Do not reset quirks when the Fn key is not found

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Date:   Mon, 24 Jan 2022 19:42:43 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org,
        José Expósito <jose.exposito89@...il.com>,
        Jiri Kosina <jkosina@...e.cz>, Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.19 125/239] HID: apple: Do not reset quirks when the Fn key is not found

From: José Expósito <jose.exposito89@...il.com>

[ Upstream commit a5fe7864d8ada170f19cc47d176bf8260ffb4263 ]

When a keyboard without a function key is detected, instead of removing
all quirks, remove only the APPLE_HAS_FN quirk.

Signed-off-by: José Expósito <jose.exposito89@...il.com>
Signed-off-by: Jiri Kosina <jkosina@...e.cz>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/hid/hid-apple.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-apple.c b/drivers/hid/hid-apple.c
index 4e3dd3f55a963..80ecbf14d3c82 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -392,7 +392,7 @@ static int apple_input_configured(struct hid_device *hdev,
 
 	if ((asc->quirks & APPLE_HAS_FN) && !asc->fn_found) {
 		hid_info(hdev, "Fn key not found (Apple Wireless Keyboard clone?), disabling Fn key handling\n");
-		asc->quirks = 0;
+		asc->quirks &= ~APPLE_HAS_FN;
 	}
 
 	return 0;
-- 
2.34.1