From patchwork Mon Jan 15 14:45:32 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Max Staudt X-Patchwork-Id: 13519741 X-Patchwork-Delegate: jikos@jikos.cz Received: from mail.enpas.org (zhong.enpas.org [46.38.239.100]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id E7FAB175B5; Mon, 15 Jan 2024 14:48:53 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=enpas.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=enpas.org Received: from [127.0.0.1] (localhost [127.0.0.1]) by mail.enpas.org (Postfix) with ESMTPSA id 9F44D101601; Mon, 15 Jan 2024 14:48:44 +0000 (UTC) From: Max Staudt To: Roderick Colenbrander , Jiri Kosina , Benjamin Tissoires Cc: linux-input@vger.kernel.org, linux-kernel@vger.kernel.org, max@enpas.org Subject: [PATCH v1 1/7] HID: playstation: DS4: Fix LED blinking Date: Mon, 15 Jan 2024 23:45:32 +0900 Message-Id: <20240115144538.12018-2-max@enpas.org> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20240115144538.12018-1-max@enpas.org> References: <20240115144538.12018-1-max@enpas.org> Precedence: bulk X-Mailing-List: linux-input@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 There was no way to disable blinking once enabled. Disable it on brightness = 0, as per the Linux LED spec. The driver reports back the values it sends to the controller, but they need to be scaled back to milliseconds. Setting the LED blinking via sysfs works as expected now. Signed-off-by: Max Staudt --- drivers/hid/hid-playstation.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/drivers/hid/hid-playstation.c b/drivers/hid/hid-playstation.c index 8ac8f7b8e317..7f50e13601f0 100644 --- a/drivers/hid/hid-playstation.c +++ b/drivers/hid/hid-playstation.c @@ -2037,8 +2037,9 @@ static int dualshock4_led_set_blink(struct led_classdev *led, unsigned long *del dualshock4_schedule_work(ds4); - *delay_on = ds4->lightbar_blink_on; - *delay_off = ds4->lightbar_blink_off; + /* Report scaled values back to LED subsystem */ + *delay_on = ds4->lightbar_blink_on * 10; + *delay_off = ds4->lightbar_blink_off * 10; return 0; } @@ -2065,6 +2066,13 @@ static int dualshock4_led_set_brightness(struct led_classdev *led, enum led_brig break; case 3: ds4->lightbar_enabled = !!value; + + /* brightness = 0 also cancels blinking in Linux. */ + if (!ds4->lightbar_enabled) { + ds4->lightbar_blink_off = 0; + ds4->lightbar_blink_on = 0; + ds4->update_lightbar_blink = true; + } } ds4->update_lightbar = true;