From patchwork Mon Nov 21 12:38:31 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Martin Kurbanov X-Patchwork-Id: 627413 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 1BCD2C4332F for ; Mon, 21 Nov 2022 12:39:59 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230029AbiKUMj6 (ORCPT ); Mon, 21 Nov 2022 07:39:58 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:59778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231574AbiKUMjk (ORCPT ); Mon, 21 Nov 2022 07:39:40 -0500 Received: from mx.sberdevices.ru (mx.sberdevices.ru [45.89.227.171]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D85A53F05B; Mon, 21 Nov 2022 04:39:32 -0800 (PST) Received: from s-lin-edge02.sberdevices.ru (localhost [127.0.0.1]) by mx.sberdevices.ru (Postfix) with ESMTP id 680CE5FD02; Mon, 21 Nov 2022 15:39:29 +0300 (MSK) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sberdevices.ru; s=mail; t=1669034369; bh=9etgnCNzUKNIqOnqnqZtauA6kfSyecw38Vgt+Iketbs=; h=From:To:Subject:Date:Message-ID:MIME-Version:Content-Type; b=efZxRIxX+nCc/9AkkYYU6uAT+sxJsm6KjaYUfmpaDEBxD1NO5j0e8d9FcF/diJXJk BC0Vi2BokU1A1TXPK+OP41bceiVLLN2tp/Rvu+zdpOiIpEHzafBMpGjpJ+1OVZ6UQB WrRUYyD1TY6N2Ez3nfEbLz0wxyr4Tp8SUOROvt/nDCvTpVBShjhrm45OxfzpxVVKTE rL186GlEwqYWLSlAPA9kf3WbZ7cnwgEHM1+JlMDwcyZvqI7kizpH56N0/A+Wwzs29r Z7qMMmoDATKOJdJ82KrSVzao6enbuTj9aNSfHgptlaSp+uMmlsrB3OM0trjiUSHGDR HfhDkZrsk71XA== Received: from S-MS-EXCH01.sberdevices.ru (S-MS-EXCH01.sberdevices.ru [172.16.1.4]) by mx.sberdevices.ru (Postfix) with ESMTP; Mon, 21 Nov 2022 15:39:28 +0300 (MSK) From: Martin Kurbanov To: Pavel Machek , Raphael Teysseyre , Andy Shevchenko CC: , , , Martin Kurbanov Subject: [PATCH v2 0/2] leds: trigger: pattern: notify usespace if pattern finished Date: Mon, 21 Nov 2022 15:38:31 +0300 Message-ID: <20221121123833.164614-1-mmkurbanov@sberdevices.ru> X-Mailer: git-send-email 2.38.1 MIME-Version: 1.0 X-Originating-IP: [172.16.1.6] X-ClientProxiedBy: S-MS-EXCH02.sberdevices.ru (172.16.1.5) To S-MS-EXCH01.sberdevices.ru (172.16.1.4) X-KSMG-Rule-ID: 4 X-KSMG-Message-Action: clean X-KSMG-AntiSpam-Status: not scanned, disabled by settings X-KSMG-AntiSpam-Interceptor-Info: not scanned X-KSMG-AntiPhishing: not scanned, disabled by settings X-KSMG-AntiVirus: Kaspersky Secure Mail Gateway, version 1.1.2.30, bases: 2022/11/21 03:43:00 #20593185 X-KSMG-AntiVirus-Status: Clean, skipped Precedence: bulk List-ID: X-Mailing-List: linux-leds@vger.kernel.org In the current moment, userspace caller can schedule LED pattern with appropriate parameters, but it doesn't have ability to listen to any events indicated pattern finished. This patch series add support for a 'is_running' attribute to signal LED pattern state to userspace. For example of user space code how to use the feature: https://gist.github.com/m-kurbanov/775408521c436a371c3640d49808d08d Changes v1 -> v2: - code style fixes (Andy Shevchenko) - typo fixes (Andy Shevchenko) - add ABI documentation (Andy Shevchenko) - added example on the gist (Andy Shevchenko) Martin Kurbanov (2): leds: trigger: pattern: minor code style changes leds: trigger: pattern: notify usespace if pattern finished .../testing/sysfs-class-led-trigger-pattern | 11 +++ drivers/leds/trigger/ledtrig-pattern.c | 92 ++++++++++++++----- 2 files changed, 80 insertions(+), 23 deletions(-) --- 2.38.1