From patchwork Tue Jan 3 13:12:55 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Andy Shevchenko X-Patchwork-Id: 13087459 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 29B45C54EBD for ; Tue, 3 Jan 2023 13:13:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237168AbjACNNO (ORCPT ); Tue, 3 Jan 2023 08:13:14 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53364 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233191AbjACNNI (ORCPT ); Tue, 3 Jan 2023 08:13:08 -0500 Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id DA1FF10FC9; Tue, 3 Jan 2023 05:12:40 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1672751560; x=1704287560; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=jvEYSO7lW++ymJ0bBLH7ZRL0Q9IiAhclprxNUtYU6Os=; b=TEbDYR+oV1uojHKgWUEqXAOt51pjF6ap4o8qCwFTaGCpZj/n6Bj+MH27 hf1syD06MQ0/o1O5xxBM5k2ALNkN7stv4inr2rLFalJtmzFUxkuTW+wc5 uOblp9lFvznKO9HZAoAHn0/ukQAGKJFS30TlRrsbS8Lf4NsCje7s7JFJD UIgYo2RvtwZ+ICCTbg13D2rk+BedEFYYfnHlIWxP6JZAz3oqNsbMgCF3Y 0bG9oyde7cuG+7qfxW8hIgWxwvewXqGZULqR4yv2eNGLpJBndOGmhIVLF xjAUDk6ce+5nfr9/MaHr47LYZtSInnRuG9ikWQio39JRfa+05KVW78SE0 Q==; X-IronPort-AV: E=McAfee;i="6500,9779,10579"; a="322887965" X-IronPort-AV: E=Sophos;i="5.96,297,1665471600"; d="scan'208";a="322887965" Received: from orsmga008.jf.intel.com ([10.7.209.65]) by orsmga102.jf.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 03 Jan 2023 05:12:39 -0800 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6500,9779,10579"; a="685397946" X-IronPort-AV: E=Sophos;i="5.96,297,1665471600"; d="scan'208";a="685397946" Received: from black.fi.intel.com ([10.237.72.28]) by orsmga008.jf.intel.com with ESMTP; 03 Jan 2023 05:12:34 -0800 Received: by black.fi.intel.com (Postfix, from userid 1003) id E24663BC; Tue, 3 Jan 2023 15:13:00 +0200 (EET) From: Andy Shevchenko To: Andy Shevchenko , Gene Chen , 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: Pavel Machek , Lee Jones , Matthias Brugger , Sean Wang , Kurt Kanzenbach , Andrew Lunn , Florian Fainelli , Vladimir Oltean , "David S. Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni Subject: [PATCH v4 10/11] leds: syscon: Get rid of custom led_init_default_state_get() Date: Tue, 3 Jan 2023 15:12:55 +0200 Message-Id: <20230103131256.33894-11-andriy.shevchenko@linux.intel.com> X-Mailer: git-send-email 2.35.1 In-Reply-To: <20230103131256.33894-1-andriy.shevchenko@linux.intel.com> References: <20230103131256.33894-1-andriy.shevchenko@linux.intel.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.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;