From patchwork Thu Mar 6 22:55:24 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Craig McQueen X-Patchwork-Id: 870994 Received: from sender4-op-o12.zoho.com (sender4-op-o12.zoho.com [136.143.188.12]) (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 50E9CA2D for ; Thu, 6 Mar 2025 22:55:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=pass smtp.client-ip=136.143.188.12 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741301751; cv=pass; b=a5naxoWlGRXwOX6WlAQnYz3RSDH5GTPO5gwpVKgQJWOJJ+nN/kZGPbcmAHYOriaox/TJlnxDwBAXfRwWMm4vGcki4bR9srp/zIeoYFWOFU5CQRFutuoXpUI2JMofTC1VC3UbczZDxvJ849+snj0aeSon8RMIqJpPBcJhFewHcF0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741301751; c=relaxed/simple; bh=/TYPyW77awcK7TCcuUAbkOwueTXoVYgiFyASeXOAnGw=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=PdYxYaE6MgWUyMG+VJwBKnFc/UtmmF9nYBZ0gsSnBrpDIGoCmQVxKYX1AkruE1We474IhLX/fobR87dyAnV78rlP28q831TCjqjt0oFTShJjdpj2ajSw/nxByADurVrmz2Y+5IOgvdzXYfSUnHCNj31gntkNQHOyNA6Hg/zQuTY= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mcqueen.au; spf=pass smtp.mailfrom=mcqueen.au; dkim=pass (1024-bit key) header.d=mcqueen.au header.i=craig@mcqueen.au header.b=OpprRC3w; arc=pass smtp.client-ip=136.143.188.12 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=mcqueen.au Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=mcqueen.au Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=mcqueen.au header.i=craig@mcqueen.au header.b="OpprRC3w" ARC-Seal: i=1; a=rsa-sha256; t=1741301745; cv=none; d=zohomail.com; s=zohoarc; b=lLVPBkffol18pnvq8KE8MAJ5Rs10QopPzu9m/PXu1fGFcEuFgtezGC/NN+XB31iECiK9plR9JBiV6YUHVgJSCrEC+xW9i9huFO/m573zkDIZXhbMvibNp0u33Cjpe7WIDUuLBgtaNk9yFvS0da1PZoNi5tqse6iZy5o0aeFqg7E= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1741301745; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=+oiX73kFsl/BvL/KbrcYE6UPwQgDvkc1oPTT042M7Gc=; b=g82VXNYwGrfQyehqqZexUkchZDiWQxwWXJJky7b/qFcqgR+h4Bj3iMgETuNrsUXO6C/oACUiIEz0yz/zbVhSehKs8Mil/uJDi8nKHclpWn9dj9LFsD7j5T0GB6FrOXrb+eS3Dn5X5tlY58gFXl4aBwUmZRZNaB4QmTI4q1WdnNQ= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass header.i=mcqueen.au; spf=pass smtp.mailfrom=craig@mcqueen.au; dmarc=pass header.from= DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; t=1741301745; s=zmail; d=mcqueen.au; i=craig@mcqueen.au; h=From:From:To:To:Cc:Cc:Subject:Subject:Date:Date:Message-ID:MIME-Version:Content-Transfer-Encoding:Message-Id:Reply-To; bh=+oiX73kFsl/BvL/KbrcYE6UPwQgDvkc1oPTT042M7Gc=; b=OpprRC3wwqOPBIq9QpjOmW0LL66MJVduC5zQZihcO+GzWvoy2OBq8syhxpcB3tpW 4Dvpx2F3/m7hah1GfYGNvjouYvqdrH3I1a+HeBOJjtBi5HGnZOKgvk7Y4UNrpLi5BDu 0u3BtNDqfMe24T+1ZjvYfiKtt92lnJzIrAlomsvA= Received: by mx.zohomail.com with SMTPS id 1741301744081992.4832449095018; Thu, 6 Mar 2025 14:55:44 -0800 (PST) From: Craig McQueen To: linux-leds@vger.kernel.org Cc: Craig McQueen Subject: [PATCH] led-triggers: accept "default" written to sysfs trigger attr Date: Fri, 7 Mar 2025 09:55:24 +1100 Message-ID: <20250306225524.318562-1-craig@mcqueen.au> X-Mailer: git-send-email 2.48.1 Precedence: bulk X-Mailing-List: linux-leds@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ZohoMailClient: External If the text "default" is written to the LED's sysfs 'trigger' attr, then call led_trigger_set_default() to set the LED to its default trigger. --- drivers/leds/led-triggers.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/leds/led-triggers.c b/drivers/leds/led-triggers.c index b2d40f87a5ff..f2bc3bb5062d 100644 --- a/drivers/leds/led-triggers.c +++ b/drivers/leds/led-triggers.c @@ -54,6 +54,11 @@ ssize_t led_trigger_write(struct file *filp, struct kobject *kobj, goto unlock; } + if (sysfs_streq(buf, "default")) { + led_trigger_set_default(led_cdev); + goto unlock; + } + down_read(&triggers_list_lock); list_for_each_entry(trig, &trigger_list, next_trig) { if (sysfs_streq(buf, trig->name) && trigger_relevant(led_cdev, trig)) {