linux-kernel - [PATCH AUTOSEL 5.15 043/188] HID: apple: Do not reset quirks when the Fn key is not found

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Message-Id: <20220118023152.1948105-43-sashal@kernel.org>
Date:   Mon, 17 Jan 2022 21:29:27 -0500
From:   Sasha Levin <sashal@...nel.org>
To:     linux-kernel@...r.kernel.org, stable@...r.kernel.org
Cc:     José Expósito <jose.exposito89@...il.com>,
        Jiri Kosina <jkosina@...e.cz>, Sasha Levin <sashal@...nel.org>,
        jikos@...nel.org, benjamin.tissoires@...hat.com,
        linux-input@...r.kernel.org
Subject: [PATCH AUTOSEL 5.15 043/188] 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 6ccfa0cb997ab..b683c0e8557d4 100644
--- a/drivers/hid/hid-apple.c
+++ b/drivers/hid/hid-apple.c
@@ -429,7 +429,7 @@ 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