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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,
        =?UTF-8?q?Jos=C3=A9=20Exp=C3=B3sito?= <jose.exposito89@gmail.com>,
        Jiri Kosina <jkosina@suse.cz>, Sasha Levin <sashal@kernel.org>
Subject: [PATCH 4.9 077/157] HID: apple: Do not reset quirks when the Fn key is not found
Date:   Mon, 24 Jan 2022 19:42:47 +0100
Message-Id: <20220124183935.228809192@linuxfoundation.org>
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From: José Expósito <jose.exposito89@gmail.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@gmail.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Sasha Levin <sashal@kernel.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 149902619cbc8..0074091c27aa2 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -390,7 +390,7 @@ 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