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Tue, 22 Sep 2026 14:04:59 -0700 (PDT) Received: from fedora ([2607:fb92:3080:83e3:3c6f:fd76:69b:10ff]) by smtp.gmail.com with ESMTPSA id 98e67ed59e1d1-3a081324d24sm38262a91.3.2026.09.22.14.04.57 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Sep 2026 14:04:58 -0700 (PDT) From: Ping Cheng X-Google-Original-From: Ping Cheng To: lee@kernel.org, jikos@kernel.org, bentiss@kernel.org, linux-input@vger.kernel.org Cc: stable@vger.kernel.org, Ping Cheng Subject: [PATCH 1/2] HID: wacom: Write shared touch initial status only once Date: Tue, 22 Sep 2026 14:04:54 -0700 Message-ID: <20260922210454.22351-1-ping.cheng@wacom.com> X-Mailer: git-send-email 2.55.0 Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Ping Cheng For consistency with how the shared has_mute_touch_switch is handled during registration, let's apply WRITE_ONCE to is_touch_on too. Cc: stable@vger.kernel.org Fixes: ba16e5ffbaa1 ("HID: wacom: Advertise SW_MUTE_DEVICE capability prior to registration") Reviewed-by: Lee Jones Signed-off-by: Ping Cheng --- drivers/hid/wacom_sys.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/hid/wacom_sys.c b/drivers/hid/wacom_sys.c index 8dc7aa1c0a26..33fa491fba92 100644 --- a/drivers/hid/wacom_sys.c +++ b/drivers/hid/wacom_sys.c @@ -2386,7 +2386,7 @@ static void wacom_set_shared_values(struct wacom_wac *wacom_wac) * match historic default. */ if (wacom_wac->is_soft_touch_switch) - wacom_wac->shared->is_touch_on = true; + WRITE_ONCE(wacom_wac->shared->is_touch_on, true); } if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH) { -- 2.55.0