From patchwork Wed Apr 24 06:52:10 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kate Hsuan X-Patchwork-Id: 791846 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 A80BB1581E4 for ; Wed, 24 Apr 2024 06:53:49 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713941631; cv=none; b=hQObQY65O2KUtRmTnuWfqd/LglODqEys5Nc3NCRMFvLY9S05P99RolAMNC7RaYDPkSGV2YDE+tAW3rt6cnNkgJZM/UBTHN6Bzsl7oiLaj4CcbrG6N1zWIQelUADeT1DY+VCrSAHlMjqitLppjEhH0ssXxLbLDuXgBgJUVSF18xA= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1713941631; c=relaxed/simple; bh=0KjAMqbHUw3uxZJXlReNduNBiZpdhGndBxByERbdMHc=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=ZkqjPK8k6feUB5NYKL2ZqrtAChQJj+VQxLCBw5h2zdELBTPt/+ITW75Oohum7m6h1yFoom0K6etwmHrUlMKKtUbdny1LSK5bkscjOaGZtmklspDhu7m+Q92V9s+bHns3/w4GqoPoIqIEgTKBQnTOS1Rw3mBmTYePimZ0c7NB4T4= 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=cQIm8xVd; arc=none smtp.client-ip=170.10.129.124 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="cQIm8xVd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1713941628; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=DxmSPRqzwsemR1gX6SjRw8z2Adjkeh77GwpibeqFcKI=; b=cQIm8xVdAGvSmhhaDni2/GC6jizwAdmvuQiE6vFf9xF/NCQidLC2SvUbkeBGjUzlkPlT8Z WFXwfkqGIE3Jlmyxx+rWnvwqsqHVofJgOhzhT9OkHr3zLDpa+ZjTZabIgYduUAoWOpVnb7 4EN94J+UH4WpOHfkE+PqIx8m6a9m0ns= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-263-tVwTTAE9PmeI3K7B11oEMg-1; Wed, 24 Apr 2024 02:53:45 -0400 X-MC-Unique: tVwTTAE9PmeI3K7B11oEMg-1 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.rdu2.redhat.com [10.11.54.8]) (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 EA44B18065B2; Wed, 24 Apr 2024 06:53:44 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.193.73]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3E433C01595; Wed, 24 Apr 2024 06:53:38 +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, Andy Shevchenko , Sebastian Reichel , linux-pm@vger.kernel.org Cc: Jacek Anaszewski Subject: [PATCH v7 4/6] leds: trigger: Add led_mc_trigger_event() function Date: Wed, 24 Apr 2024 14:52:10 +0800 Message-ID: <20240424065212.263784-5-hpa@redhat.com> In-Reply-To: <20240424065212.263784-1-hpa@redhat.com> References: <20240424065212.263784-1-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 10.11.54.8 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 Reviewed-by: Jacek Anaszewski --- 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) {}