From patchwork Fri Mar 22 03:37:34 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kate Hsuan X-Patchwork-Id: 13599584 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 BBB3910A24 for ; Fri, 22 Mar 2024 03:38:54 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711078736; cv=none; b=fPH7IsaFQ3QtHAaNJ5sc3NR0KYVZ+Vf4CdHzK7Sourn0n1goyQERSN/G39KPymXdYfZ3tB027OkPR3u6GJJmKpeZgsqFd6wu8jqgEcRacQ92da//J9La1dQ/c4DHo7I+2c+vBm/y/jAz3UGx6qyKCA1nqgHLppxs3LZR8Cbe9IY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711078736; c=relaxed/simple; bh=f5/bJ67Sv0EFeJIOjhY7goPpZbgR8OLgYaO4aKMajrg=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=PnbOjEtCiN6HSWagUx3VvriXjI+9w/HFvlMByhAsmOhTb+em8aYGll5EnQpkcyv5CSydZzRZxrv/hsUePuqrPJfCdhO9IjN1X4YhtMmIDPJ7vt9HESiuk2oLOuG2xi6zvlj0AF3FiU5oY1JCMgdkKCBGU7Fbv25Gkxf7rI3Ghbs= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=jDDDu1L0; arc=none smtp.client-ip=170.10.133.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="jDDDu1L0" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1711078733; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=aaThFgoqCnVkRdxTondZNkroyy7Kv7fQbcUMkGLhXZA=; b=jDDDu1L0S6n+XNvnLfXHdaYBTuJ8hw0l4AZKomCZ+rN+KcvsdSo7SY4yqFQ2pPpOV5gWcd ID7liIqZ+evVgAz4f/yHAZo4wOMV10/PdBzLPujtWc6nD4xXQ4NcCSLTYuhvCeFfPx3TAw QoM697xHuY4aatt/fTslZE/9NOe7ffo= Received: from mimecast-mx02.redhat.com (mx-ext.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-418-1cFmZtnjPRiM48klTFqeBw-1; Thu, 21 Mar 2024 23:38:49 -0400 X-MC-Unique: 1cFmZtnjPRiM48klTFqeBw-1 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.rdu2.redhat.com [10.11.54.4]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 6C8A03C0275F; Fri, 22 Mar 2024 03:38:49 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.192.34]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7CBBC2022C23; Fri, 22 Mar 2024 03:38:44 +0000 (UTC) From: Kate Hsuan To: Pavel Machek , Lee Jones , linux-leds@vger.kernel.org, platform-driver-x86@vger.kernel.org, Hans de Goede , =?utf-8?q?Ilpo_J=C3=A4rvinen?= , =?utf-8?q?A?= =?utf-8?q?ndr=C3=A9_Apitzsch?= , linux-kernel@vger.kernel.org, Sebastian Reichel , linux-pm@vger.kernel.org Subject: [PATCH v5 4/6] leds: trigger: Add led_mc_trigger_event() function Date: Fri, 22 Mar 2024 11:37:34 +0800 Message-ID: <20240322033736.9344-5-hpa@redhat.com> In-Reply-To: <20240322033736.9344-1-hpa@redhat.com> References: <20240322033736.9344-1-hpa@redhat.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.4.1 on 10.11.54.4 From: Hans de Goede Add a new led_mc_trigger_event() function for triggers which want to change the color of a multi-color LED based on their trigger conditions. Signed-off-by: Hans de Goede --- drivers/leds/led-triggers.c | 20 ++++++++++++++++++++ include/linux/leds.h | 6 ++++++ 2 files changed, 26 insertions(+) diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index bd59a14a4a90..fcc4e7a7b12b 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -380,6 +380,26 @@ void led_trigger_event(struct led_trigger *trig, } EXPORT_SYMBOL_GPL(led_trigger_event); +void led_mc_trigger_event(struct led_trigger *trig, + unsigned int *intensity_value, unsigned int num_colors, + enum led_brightness brightness) +{ + struct led_classdev *led_cdev; + + if (!trig) + return; + + rcu_read_lock(); + list_for_each_entry_rcu(led_cdev, &trig->led_cdevs, trig_list) { + if (!(led_cdev->flags & LED_MULTI_COLOR)) + continue; + + led_mc_set_brightness(led_cdev, intensity_value, num_colors, brightness); + } + rcu_read_unlock(); +} +EXPORT_SYMBOL_GPL(led_mc_trigger_event); + static void led_trigger_blink_setup(struct led_trigger *trig, unsigned long delay_on, unsigned long delay_off, diff --git a/include/linux/leds.h b/include/linux/leds.h index fed88eb9e170..5378e4cd03ff 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -526,6 +526,9 @@ void led_trigger_register_simple(const char *name, struct led_trigger **trigger); void led_trigger_unregister_simple(struct led_trigger *trigger); void led_trigger_event(struct led_trigger *trigger, enum led_brightness event); +void led_mc_trigger_event(struct led_trigger *trig, + unsigned int *intensity_value, unsigned int num_colors, + enum led_brightness brightness); void led_trigger_blink(struct led_trigger *trigger, unsigned long delay_on, unsigned long delay_off); void led_trigger_blink_oneshot(struct led_trigger *trigger, @@ -562,6 +565,9 @@ static inline void led_trigger_register_simple(const char *name, static inline void led_trigger_unregister_simple(struct led_trigger *trigger) {} static inline void led_trigger_event(struct led_trigger *trigger, enum led_brightness event) {} +static inline void led_mc_trigger_event(struct led_trigger *trig, + unsigned int *intensity_value, unsigned int num_colors, + enum led_brightness brightness) {} static inline void led_trigger_blink(struct led_trigger *trigger, unsigned long delay_on, unsigned long delay_off) {}