From patchwork Tue Mar 11 01:28:06 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Craig McQueen X-Patchwork-Id: 872969 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 539BF5258 for ; Tue, 11 Mar 2025 01:31:54 +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=1741656717; cv=pass; b=r8uFN0E9LWbgoOjs5yvR6GCLhfvks+gobA6as74FHnM8g26XqTO3vyPoGAuM9Qy2qZ4GJbWFyd20NaCaDw0QW5u8R6GokYDTcO+W9Jxc19lb0rV0hfBMRWCMUxRK2dFmOORDgBk+T1rHU/HwEFt0/YYx5YDQFGXRDPccFr52A9I= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1741656717; c=relaxed/simple; bh=LSMCgpWTFasfp9l5VKL/D5o9zDnwsKoDkOvhfFF5KgE=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ffn8UkYnCFk52efWWf3NCCGUjSkpMTqXF0KIacRItqsie9eW84+uLjvsS1yPtMWYRn3xlpbCzOnGE41lKqV5yTBRXswn29b/bMnizKfwA5HPIdLTG0/YGm7txXNjOOId9LlBcb3QI3T50OukPTRUdjo0Bv/yArkKzhX1OHCJZJ4= 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=AT1JhkF0; 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="AT1JhkF0" ARC-Seal: i=1; a=rsa-sha256; t=1741656713; cv=none; d=zohomail.com; s=zohoarc; b=UyoJD+MulFJ/SbuaV81cvxE6SZxQMgwr4B2cuxCZGPmKmaIGAG2dx7Jt1SC20iQbpb35EavqHlz4jzHDr7EirduPO+jvW7AIuM2qwLYxiVXdyJLHxYafMvFw1udMh5NmukVeZo5Uq/ol6DWowNe/c8oqe2WKiDDm4fm1p04vC/Y= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1741656713; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:MIME-Version:Message-ID:Subject:Subject:To:To:Message-Id:Reply-To; bh=gXkoJz0BHEpL72MVOldGyUT4FDBdKpJJR0DuMpisB80=; b=Jq+v/maLM/o3mkFJRPxx5AdEKeKAc6JJbHPZ5eOI8l0b4Qccv1Ra8l8YphKPBWgMX+HGsGhXsl0arPI0c5gxNx9nc9uWsEWFMVevCQz8+1MUEJCSnoolWV3cLqYkZvdiOxu7S65xlW3/4tjxLJ033sie1NYZVIh5xuvsB5mRjYE= 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=1741656713; 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=gXkoJz0BHEpL72MVOldGyUT4FDBdKpJJR0DuMpisB80=; b=AT1JhkF0g0eKsU9SM65s42qvELCqLVz51O50V5lHiGvPE3t7i8ycuLefbTD5vRiJ bHyZGsaiKPGaSeL9VX+FXEb4ZgPLfs54SVzh6zejTiC2AMmgcjAmwwzKQfsPApLIzdb +Vvs36A9asW8HMbLqJAhRh5EQNG5G2acQQCXVGyM= Received: by mx.zohomail.com with SMTPS id 1741656710141657.3336224073742; Mon, 10 Mar 2025 18:31:50 -0700 (PDT) From: Craig McQueen To: linux-leds@vger.kernel.org Cc: Craig McQueen Subject: [PATCH v2 0/1] Introduce userspace LED triggers driver Date: Tue, 11 Mar 2025 12:28:06 +1100 Message-ID: <20250311013143.371930-1-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 I've done some significant rework since my original submission of this. * Moved and renamed driver to drivers/leds/trigger/ledtrig-user.c, following kernel arrangement of trigger drivers. But note the char device name and uapi header file are still named 'uledtriggers'. * Fixed a mutex reentrancy issue with the 'activate' function. * Code refactoring and add comments. * Add new documentation page to index. Craig McQueen (1): leds: Introduce userspace LED triggers driver Documentation/leds/index.rst | 1 + Documentation/leds/ledtrig-user.rst | 36 +++ drivers/leds/trigger/Kconfig | 10 + drivers/leds/trigger/Makefile | 1 + drivers/leds/trigger/ledtrig-user.c | 348 ++++++++++++++++++++++++++++ include/uapi/linux/uledtriggers.h | 123 ++++++++++ 6 files changed, 519 insertions(+) create mode 100644 Documentation/leds/ledtrig-user.rst create mode 100644 drivers/leds/trigger/ledtrig-user.c create mode 100644 include/uapi/linux/uledtriggers.h