From patchwork Fri Dec 17 17:56:01 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Dmitry Osipenko X-Patchwork-Id: 12685397 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 alsa0.perex.cz (alsa0.perex.cz [77.48.224.243]) (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 36AD8C433EF for ; Fri, 17 Dec 2021 18:01:28 +0000 (UTC) Received: from alsa1.perex.cz (alsa1.perex.cz [207.180.221.201]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by alsa0.perex.cz (Postfix) with ESMTPS id 62BD2289F; Fri, 17 Dec 2021 19:00:36 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 62BD2289F DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1639764086; bh=oStwOQFSzZFNTEX57YYfd7fgakSTr9Y9N0zm1cpE7HU=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=MbKMmdSRhK06fDi2qgqzYTbw50o1YamiK0Hmbso5V5zEXNjjtC9dQkfVOXzLwGvyK OeTYYp8Ug57u3IW7Yir5ZrzCSzM4OGwucT07+Xyr6EFD3tot89/SCsDgsZZBbJVFdT kMvgpOLQF5LMl2GR0M5cJqEJGbIqNlegftHY3BCw= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id EF30FF804F2; Fri, 17 Dec 2021 18:58:27 +0100 (CET) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 9F9FAF804E2; Fri, 17 Dec 2021 18:58:18 +0100 (CET) Received: from mail-lj1-x22b.google.com (mail-lj1-x22b.google.com [IPv6:2a00:1450:4864:20::22b]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 87D29F80163 for ; Fri, 17 Dec 2021 18:58:09 +0100 (CET) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 87D29F80163 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="eVsiYbxg" Received: by mail-lj1-x22b.google.com with SMTP id 207so4557689ljf.10 for ; Fri, 17 Dec 2021 09:58:09 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=eqLuVXC4jwufxGK1dX3uLmtIMBuslaR2IYjyNFht/Gg=; b=eVsiYbxgI3SySynHVDPZjsz0AyNzwxQlGuvam0ExZRcWjLsqMPtnMrX938mJ3xZOtu Jqdh44zdQuqX+HpZQJiTNx1xGLtx/q2IDMBBwEnW3k1qsg0991IRHMmm5xzWyGwDoyGb ZJGFfaQFEYOe4iFSNmFDc+wgYH4RsGWTYzDiiMReUr7JqXUFiRYGUwoCLLX+aP/2ihLn 7nxqZ7ruNTZ1zk6h/73+0b+51k2Pcek0meD56cPUAbmKSRDwMRO5TQY46FT8CqyRA5i/ TmHP8eUFlgOGAzzN0FdzdsZZH/tbnZHvNipUbp2+1qA7aenRwYYn1fdhgegXmN1O6ufw ykZw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=eqLuVXC4jwufxGK1dX3uLmtIMBuslaR2IYjyNFht/Gg=; b=tc9BXF7QvAirMvlC7Nw4xJu2ksKxLUWZI7ZyEGv05TTkDx2xHd2aTrIVOkAwE8GKjO o6qaTKHiSVJ2XcWoJO92cDj9cZwN1imFFwVq6zNBeF/BHV0FASjNpBT3s3ispRiVic7l +7GkUIQqxdJ5s2G9DarTBmQjDWb1tVHGE2+VeBrnx5cB1aHOlq/8z4Cq6PhRX5CitQHj 9K/AKifBQK+YDKI4c10SLnt7HnseClBL7pDDLsOL+J9noICz5v2W8XcNbguRDKsg8kUr FY176JmXOkV+6SiAmMx/l9GvVKIIC89RJ3jm1XkjjM3IuYyhO7PR2JV0ZmTWm+vggWMA z1Sg== X-Gm-Message-State: AOAM530ngaFTYleJ4SIXf3lkV2skSiK8BLGcGwQQHt9/pzeqgIhpDGoX d1pZ5MyzmAFjeeVRgxtsAvXCBzeBVcE= X-Google-Smtp-Source: ABdhPJyOv4C4jOeRdPJOG+B9sXUeBtRuepkZaN8QgUTqZOcmKtNHWB40FMVBmrpbEHpup8ZgQVAvlQ== X-Received: by 2002:a2e:5d7:: with SMTP id 206mr3790803ljf.133.1639763888185; Fri, 17 Dec 2021 09:58:08 -0800 (PST) Received: from localhost.localdomain (94-29-63-156.dynamic.spd-mgts.ru. [94.29.63.156]) by smtp.gmail.com with ESMTPSA id w23sm1479244lfa.191.2021.12.17.09.58.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 17 Dec 2021 09:58:07 -0800 (PST) From: Dmitry Osipenko To: Thierry Reding , Jonathan Hunter , Mark Brown , Takashi Iwai , Jaroslav Kysela , Liam Girdwood , Agneli Subject: [PATCH v5 06/11] ASoC: tegra20: spdif: Improve driver's code Date: Fri, 17 Dec 2021 20:56:01 +0300 Message-Id: <20211217175606.22645-7-digetx@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211217175606.22645-1-digetx@gmail.com> References: <20211217175606.22645-1-digetx@gmail.com> MIME-Version: 1.0 Cc: linux-tegra@vger.kernel.org, devicetree@vger.kernel.org, alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org X-BeenThere: alsa-devel@alsa-project.org X-Mailman-Version: 2.1.15 Precedence: list List-Id: "Alsa-devel mailing list for ALSA developers - http://www.alsa-project.org" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: alsa-devel-bounces@alsa-project.org Sender: "Alsa-devel" - Clean up whitespaces, defines and variables. - Remove obsolete code. - Adhere to upstream coding style. - Don't override returned error code. - Replace pr_err with dev_err. No functional changes are made by this patch. This is a minor code's refactoring that will ease further maintenance of the driver. Acked-by: Thierry Reding Signed-off-by: Dmitry Osipenko --- sound/soc/tegra/tegra20_spdif.c | 49 ++++++++++++--------------------- 1 file changed, 18 insertions(+), 31 deletions(-) diff --git a/sound/soc/tegra/tegra20_spdif.c b/sound/soc/tegra/tegra20_spdif.c index 801784915004..d5c618611dbb 100644 --- a/sound/soc/tegra/tegra20_spdif.c +++ b/sound/soc/tegra/tegra20_spdif.c @@ -23,8 +23,6 @@ #include "tegra20_spdif.h" -#define DRV_NAME "tegra20-spdif" - static __maybe_unused int tegra20_spdif_runtime_suspend(struct device *dev) { struct tegra20_spdif *spdif = dev_get_drvdata(dev); @@ -49,11 +47,10 @@ static __maybe_unused int tegra20_spdif_runtime_resume(struct device *dev) } static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream, - struct snd_pcm_hw_params *params, - struct snd_soc_dai *dai) + struct snd_pcm_hw_params *params, + struct snd_soc_dai *dai) { - struct device *dev = dai->dev; - struct tegra20_spdif *spdif = snd_soc_dai_get_drvdata(dai); + struct tegra20_spdif *spdif = dev_get_drvdata(dai->dev); unsigned int mask = 0, val = 0; int ret, spdifclock; @@ -106,7 +103,7 @@ static int tegra20_spdif_hw_params(struct snd_pcm_substream *substream, ret = clk_set_rate(spdif->clk_spdif_out, spdifclock); if (ret) { - dev_err(dev, "Can't set SPDIF clock rate: %d\n", ret); + dev_err(dai->dev, "Can't set SPDIF clock rate: %d\n", ret); return ret; } @@ -127,9 +124,9 @@ static void tegra20_spdif_stop_playback(struct tegra20_spdif *spdif) } static int tegra20_spdif_trigger(struct snd_pcm_substream *substream, int cmd, - struct snd_soc_dai *dai) + struct snd_soc_dai *dai) { - struct tegra20_spdif *spdif = snd_soc_dai_get_drvdata(dai); + struct tegra20_spdif *spdif = dev_get_drvdata(dai->dev); switch (cmd) { case SNDRV_PCM_TRIGGER_START: @@ -151,7 +148,7 @@ static int tegra20_spdif_trigger(struct snd_pcm_substream *substream, int cmd, static int tegra20_spdif_probe(struct snd_soc_dai *dai) { - struct tegra20_spdif *spdif = snd_soc_dai_get_drvdata(dai); + struct tegra20_spdif *spdif = dev_get_drvdata(dai->dev); dai->capture_dma_data = NULL; dai->playback_dma_data = &spdif->playback_dma_data; @@ -160,26 +157,26 @@ static int tegra20_spdif_probe(struct snd_soc_dai *dai) } static const struct snd_soc_dai_ops tegra20_spdif_dai_ops = { - .hw_params = tegra20_spdif_hw_params, - .trigger = tegra20_spdif_trigger, + .hw_params = tegra20_spdif_hw_params, + .trigger = tegra20_spdif_trigger, }; static struct snd_soc_dai_driver tegra20_spdif_dai = { - .name = DRV_NAME, + .name = "tegra20-spdif", .probe = tegra20_spdif_probe, .playback = { .stream_name = "Playback", .channels_min = 2, .channels_max = 2, .rates = SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | - SNDRV_PCM_RATE_48000, + SNDRV_PCM_RATE_48000, .formats = SNDRV_PCM_FMTBIT_S16_LE, }, .ops = &tegra20_spdif_dai_ops, }; static const struct snd_soc_component_driver tegra20_spdif_component = { - .name = DRV_NAME, + .name = "tegra20-spdif", }; static bool tegra20_spdif_wr_rd_reg(struct device *dev, unsigned int reg) @@ -260,7 +257,7 @@ static const struct regmap_config tegra20_spdif_regmap_config = { static int tegra20_spdif_platform_probe(struct platform_device *pdev) { struct tegra20_spdif *spdif; - struct resource *mem, *dmareq; + struct resource *mem; void __iomem *regs; int ret; @@ -273,27 +270,19 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) spdif->clk_spdif_out = devm_clk_get(&pdev->dev, "out"); if (IS_ERR(spdif->clk_spdif_out)) { - pr_err("Can't retrieve spdif clock\n"); - ret = PTR_ERR(spdif->clk_spdif_out); - return ret; + dev_err(&pdev->dev, "Could not retrieve spdif clock\n"); + return PTR_ERR(spdif->clk_spdif_out); } regs = devm_platform_get_and_ioremap_resource(pdev, 0, &mem); if (IS_ERR(regs)) return PTR_ERR(regs); - dmareq = platform_get_resource(pdev, IORESOURCE_DMA, 0); - if (!dmareq) { - dev_err(&pdev->dev, "No DMA resource\n"); - return -ENODEV; - } - spdif->regmap = devm_regmap_init_mmio(&pdev->dev, regs, - &tegra20_spdif_regmap_config); + &tegra20_spdif_regmap_config); if (IS_ERR(spdif->regmap)) { dev_err(&pdev->dev, "regmap init failed\n"); - ret = PTR_ERR(spdif->regmap); - return ret; + return PTR_ERR(spdif->regmap); } spdif->playback_dma_data.addr = mem->start + TEGRA20_SPDIF_DATA_OUT; @@ -306,7 +295,6 @@ static int tegra20_spdif_platform_probe(struct platform_device *pdev) &tegra20_spdif_dai, 1); if (ret) { dev_err(&pdev->dev, "Could not register DAI: %d\n", ret); - ret = -ENOMEM; goto err_pm_disable; } @@ -349,14 +337,13 @@ MODULE_DEVICE_TABLE(of, tegra20_spdif_of_match); static struct platform_driver tegra20_spdif_driver = { .driver = { - .name = DRV_NAME, + .name = "tegra20-spdif", .pm = &tegra20_spdif_pm_ops, .of_match_table = tegra20_spdif_of_match, }, .probe = tegra20_spdif_platform_probe, .remove = tegra20_spdif_platform_remove, }; - module_platform_driver(tegra20_spdif_driver); MODULE_AUTHOR("Stephen Warren ");