From patchwork Thu May 2 21:14:23 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Hans de Goede X-Patchwork-Id: 13652110 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 094C4181CE4 for ; Thu, 2 May 2024 21:14:39 +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=1714684481; cv=none; b=RRNW8Inz90izdoPT7XZmN3gt5AGLRPBTx+AA5deyYDxp7OeLHpVzgRshuOkQrWXZh1unf56ayDWirvKRtNE0E9ADaI6SodLrG4B4Di6dC/rqPrr7tRImgC90fA99ov4UDBRs0PjnT8p6Tf/BzXjnLglFzAQgGsq/UAMlvad3mls= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714684481; c=relaxed/simple; bh=3ysNI5U2U+3tTygWswiPBgv9Q65RxP1D2lXuelGrTOM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=Iwm9tgQfvTbQpXabwQkEwnLdcWaybxiNBCSW0uT/IAae1/iiumRygHzQw3KR94i9nqwaCCNuU3uM25fG80ZKrGTaOd+nLH8xzijF+UX4ZbvdqTXjHtGHfcgUBHnyc+CpdX6+IPKFijj9hqIjCc2w3vzQv7ujlO8MsKcLprUZj/I= 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=KRbEKBMX; 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="KRbEKBMX" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1714684479; 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=+8uVasP40h7loxQdskjKsc5PJFNGed67tjVg7OEiPLY=; b=KRbEKBMXo2FLWraYOLO2pILXmVraDNj25siartVK3Irxlz9RjFxmLmYISRxDb75WzsSmEc SASmu7fb4FgX78PjdgKY5K0j6iisVF2p9wo91gyleDMbuqRG62hPIsm82+f6MtVrdv86wJ i7Ugw8z7a/8/rBGFkPwMR6J139I8W/0= 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-208-3peqZHmVMp6U3pSa7edqrQ-1; Thu, 02 May 2024 17:14:36 -0400 X-MC-Unique: 3peqZHmVMp6U3pSa7edqrQ-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (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 6B93481061A; Thu, 2 May 2024 21:14:35 +0000 (UTC) Received: from shalem.redhat.com (unknown [10.39.192.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0161440BAA2; Thu, 2 May 2024 21:14:33 +0000 (UTC) From: Hans de Goede To: =?utf-8?q?Ilpo_J=C3=A4rvinen?= , Andy Shevchenko , Pavel Machek , Lee Jones , Kate Hsuan , Sebastian Reichel Cc: Hans de Goede , platform-driver-x86@vger.kernel.org, =?utf-8?q?Andr=C3=A9_Apitzsch?= , linux-leds@vger.kernel.org, linux-pm@vger.kernel.org, Jacek Anaszewski Subject: [PATCH v8 5/7] leds: trigger: Add led_mc_trigger_event() function Date: Thu, 2 May 2024 23:14:23 +0200 Message-ID: <20240502211425.8678-6-hdegoede@redhat.com> In-Reply-To: <20240502211425.8678-1-hdegoede@redhat.com> References: <20240502211425.8678-1-hdegoede@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 10.11.54.10 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. Reviewed-by: Jacek Anaszewski 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 0f5ac30053ad..d72c42f38bd4 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -394,6 +394,26 @@ 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 e80a185e255a..acd0aafd603c 100644 --- a/include/linux/leds.h +++ b/include/linux/leds.h @@ -507,6 +507,9 @@ 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, @@ -543,6 +546,9 @@ 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) {}