From patchwork Sat May 4 16:41:03 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: 794791 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 CABA753361 for ; Sat, 4 May 2024 16:41:28 +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=1714840890; cv=none; b=QThWmsYepGFabD3qYrn3eDdUidw4GZde6F8fLHgdD9B36u5ySPu5je/1X2nYbUDfYbw2PRHBg2CrfnDkOAva26S+E8UWGyvKqqJjbrzPDSfQoUOOYuYvX1SksQRmDY8jMDp3F8CeRch4stSuQnrwgIjQn/i6qKlRlUwF2R0n4A8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1714840890; c=relaxed/simple; bh=5rSI6KNjYGDtmtl+QEPb+3Xm6sOYaNSP5UQLYni0s1g=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=kHWMAyq4dGDoYVmP3W9wTIi4t/7s5ONsIuw3aJ1Opo1LCDdAw8N2Mo7738QXW61OC1EhFtLnFLmef+Xy3iaiNqGnejhrk5V1Zi7IuHPk4VzivnBr7okBUMiMolIplmXhPq6YfgkFSPNBJMLCFjS/UhDcxIOzHwEOXWDj4G6mLeo= 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=YCK0Rvlz; 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="YCK0Rvlz" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1714840887; 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=neQpUmMTVRy/ge3nnnYttmc7IrWyiPpmnFd2224kk0Y=; b=YCK0Rvlzy5cXEjWnx9wyZ7WuD1/cMRCUFJp5iBm3HdqZPUYIICCFEbOk6XPimUwiAJ7rgW NGssPJX7SHX2UtIZFqsyb5bcm6TpXhZU8OVxBpekcPbUPw/WzFV0gJdPUbHgzZZN9XXydL nfpGFBPPGu5lUcnV7L8Q7PWM/zKrehM= 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-588-qd2kxRX3PVKYT0_n1Q5h_Q-1; Sat, 04 May 2024 12:41:25 -0400 X-MC-Unique: qd2kxRX3PVKYT0_n1Q5h_Q-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.rdu2.redhat.com [10.11.54.5]) (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 43D9C8032FA; Sat, 4 May 2024 16:41:25 +0000 (UTC) Received: from localhost.localdomain (unknown [10.39.192.41]) by smtp.corp.redhat.com (Postfix) with ESMTP id CA433EC680; Sat, 4 May 2024 16:41:23 +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 v9 5/7] leds: trigger: Add led_mc_trigger_event() function Date: Sat, 4 May 2024 18:41:03 +0200 Message-ID: <20240504164105.114017-6-hdegoede@redhat.com> In-Reply-To: <20240504164105.114017-1-hdegoede@redhat.com> References: <20240504164105.114017-1-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 10.11.54.5 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 Reviewed-by: Andy Shevchenko 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 f0f5c925b23f..6d535a7fd075 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) {}