From patchwork Fri Aug 5 15:49:06 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 12937502 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 62838C00140 for ; Fri, 5 Aug 2022 15:52:34 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From: Reply-To:Content-Type:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=h1QxN/MVkmbtPgFiMVZumDBjcbxGPv7gkFEK3COMvWI=; b=oxGhRvpJrKwO/Fw9WdeyC3AmXf TfBXi8jJMs8Tsxh/Nva3BxBe9JLoUTJGSv0SiCBJxof+Sirx+E0UqC3PuWYmqxe/bhGrRs/XItU6B VJmmk/bx1Rh3U81DNqWwcC/VOMUO2UgRDtoysZrT3KJ/uX1UX2kOw8X8/vh4e5bIpjtC4l9sNf1FL GUQN3XiSB4l+k60VPQXak+gLfCdipUexuCA+7MWGnnzUe4c+cW8cvo29KvlrU2K9cOMX9r3oby9uU AtQgQySlm77sApmHxQU4aqMUZs63txBlvhvFqAeimby5JG0kEhD/6UsZ9qTMJpNfEszpoa4ZuYN+V PT/cXVbQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.94.2 #2 (Red Hat Linux)) id 1oJzce-00GSLQ-Ur; Fri, 05 Aug 2022 15:52:24 +0000 Received: from mga05.intel.com ([192.55.52.43]) by bombadil.infradead.org with esmtps (Exim 4.94.2 #2 (Red Hat Linux)) id 1oJzZd-00GQED-T0; Fri, 05 Aug 2022 15:49:20 +0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1659714557; x=1691250557; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jvEYSO7lW++ymJ0bBLH7ZRL0Q9IiAhclprxNUtYU6Os=; b=k+Q37mw0fhr06w4It0UVo6zrRbeoai3Z5yjp7ClljP6AO5jYhph/jX50 jdss+q1pAnf5H7AxI7VVKU9PQDZzi5lqlN2clNNejMi2jhLm/ZFb27kCb 8uFNjOOoUvS3YakHwx4uo9pDGTCN78ZqSTHEoIqaM44seehoNrguPwysE 2MOJm7EEoNiF7sTSek67HAubymRfiqllByNI851/Mjo8+p+KA8b5B0wZF bzCaDkYrYYK3/BVf0FlvhlKR9iY4EtxUhHUFH+J4n+S1Xyhh2EVDnQ37i KzldRggQ54YIrq0C6p0siCdM2Hxb4a06P6EBW0sMka5gC+cDnFVEFrEUO A==; X-IronPort-AV: E=McAfee;i="6400,9594,10430"; a="376523448" X-IronPort-AV: E=Sophos;i="5.93,216,1654585200"; d="scan'208";a="376523448" Received: from fmsmga002.fm.intel.com ([10.253.24.26]) by fmsmga105.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 05 Aug 2022 08:49:15 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.93,216,1654585200"; d="scan'208";a="706647818" Received: from black.fi.intel.com ([10.237.72.28]) by fmsmga002.fm.intel.com with ESMTP; 05 Aug 2022 08:49:11 -0700 Received: by black.fi.intel.com (Postfix, from userid 1003) id 0458B58E; Fri, 5 Aug 2022 18:49:16 +0300 (EEST) From: Andy Shevchenko To: Gene Chen , Andy Shevchenko , Pavel Machek , Eddie James , Denis Osterland-Heim , linux-leds@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org Cc: Matthias Brugger , Sean Wang , Kurt Kanzenbach , Andrew Lunn , Vivien Didelot , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: [PATCH v2 10/11] leds: syscon: Get rid of custom led_init_default_state_get() Date: Fri, 5 Aug 2022 18:49:06 +0300 Message-Id: <20220805154907.32263-11-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20220805154907.32263-1-andriy.shevchenko@linux.intel.com> References: <20220805154907.32263-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220805_084918_053732_A3043A39 X-CRM114-Status: GOOD ( 15.49 ) X-BeenThere: linux-mediatek@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "Linux-mediatek" Errors-To: linux-mediatek-bounces+linux-mediatek=archiver.kernel.org@lists.infradead.org LED core provides a helper to parse default state from firmware node. Use it instead of custom implementation. Signed-off-by: Andy Shevchenko --- drivers/leds/leds-syscon.c | 49 ++++++++++++++++++-------------------- 1 file changed, 23 insertions(+), 26 deletions(-) diff --git a/drivers/leds/leds-syscon.c b/drivers/leds/leds-syscon.c index 7eddb8ecb44e..e38abb5e60c1 100644 --- a/drivers/leds/leds-syscon.c +++ b/drivers/leds/leds-syscon.c @@ -61,7 +61,8 @@ static int syscon_led_probe(struct platform_device *pdev) struct device *parent; struct regmap *map; struct syscon_led *sled; - const char *state; + enum led_default_state state; + u32 value; int ret; parent = dev->parent; @@ -86,34 +87,30 @@ static int syscon_led_probe(struct platform_device *pdev) if (of_property_read_u32(np, "mask", &sled->mask)) return -EINVAL; - state = of_get_property(np, "default-state", NULL); - if (state) { - if (!strcmp(state, "keep")) { - u32 val; - - ret = regmap_read(map, sled->offset, &val); - if (ret < 0) - return ret; - sled->state = !!(val & sled->mask); - } else if (!strcmp(state, "on")) { - sled->state = true; - ret = regmap_update_bits(map, sled->offset, - sled->mask, - sled->mask); - if (ret < 0) - return ret; - } else { - sled->state = false; - ret = regmap_update_bits(map, sled->offset, - sled->mask, 0); - if (ret < 0) - return ret; - } + init_data.fwnode = of_fwnode_handle(np); + + state = led_init_default_state_get(init_data.fwnode); + switch (state) { + case LEDS_DEFSTATE_ON: + ret = regmap_update_bits(map, sled->offset, sled->mask, sled->mask); + if (ret < 0) + return ret; + sled->state = true; + break; + case LEDS_DEFSTATE_KEEP: + ret = regmap_read(map, sled->offset, &value); + if (ret < 0) + return ret; + sled->state = !!(value & sled->mask); + break; + default: + ret = regmap_update_bits(map, sled->offset, sled->mask, 0); + if (ret < 0) + return ret; + sled->state = false; } sled->cdev.brightness_set = syscon_led_set; - init_data.fwnode = of_fwnode_handle(np); - ret = devm_led_classdev_register_ext(dev, &sled->cdev, &init_data); if (ret < 0) return ret;