From patchwork Sun Mar 24 15:01:05 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kate Hsuan X-Patchwork-Id: 782301 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 958C81A28C for ; Sun, 24 Mar 2024 15:02:34 +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=1711292556; cv=none; b=tuoaaJI4FFHE1YbUiURenR2MY7Hf0EEdmWtvHJ3MqR36o0WXGc0aSoMcMpx2h5LtJxc+HOigJsXiGNDg9VH/GTYHeF4hRbgMhpBj7vQ1+D5M6pFw3PWpkTgYg8wDg1xO9AjoMWlDtLvpSepyBbq5On6B9TELKFJ2r6viU2DpvV0= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711292556; c=relaxed/simple; bh=f5/bJ67Sv0EFeJIOjhY7goPpZbgR8OLgYaO4aKMajrg=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=MMjVxlPz5o7NBO07GMDoq/nYtQXq3nV1KinwIMM4U4jbo8Nf7SMA3pKCQetf6aqjw0yAAxdMV1HkgJ0rSiuP/L0HoisoZ+TkUxdSDgcfLYzR+doaiD9pmSICpnHcQthtWO54FtUITO2kGEp7d8QvDGNoXMTBxsyYHQJGKRTYUvM= 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=I1LaRGzm; 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="I1LaRGzm" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1711292553; 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=I1LaRGzmbUrdn6z33itmp0U8iH6Gtcj9LjTaFCR+pFHNVXHeMuDWFaagn+DzxFmJO8XoLM D1xcr4x9WWoGviwQg64k+eb6KkfEJ360XRPptlPsR9rAx+k4c/+xWGZFZY5vNuwBFDYcBp YoIgfqFbtx7vd72KJ4C5KL12ukzN84A= 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-119-8dT4ycs1P9-VDhyW7_Runw-1; Sun, 24 Mar 2024 11:02:29 -0400 X-MC-Unique: 8dT4ycs1P9-VDhyW7_Runw-1 Received: from smtp.corp.redhat.com (int-mx02.intmail.prod.int.rdu2.redhat.com [10.11.54.2]) (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 50FB9380008B; Sun, 24 Mar 2024 15:02:28 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.39.192.75]) by smtp.corp.redhat.com (Postfix) with ESMTP id 3EF9C40C6DAE; Sun, 24 Mar 2024 15:02:21 +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 Subject: [PATCH v5 RESEND 4/6] leds: trigger: Add led_mc_trigger_event() function Date: Sun, 24 Mar 2024 23:01:05 +0800 Message-ID: <20240324150107.976025-5-hpa@redhat.com> In-Reply-To: <20240324150107.976025-1-hpa@redhat.com> References: <20240324150107.976025-1-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 10.11.54.2 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) {}