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Thu, 15 Jul 2021 14:18:37 +0000 From: Daniel Baluta To: alsa-devel@alsa-project.org, pierre-louis.bossart@linux.intel.com, broonie@kernel.org, robh+dt@kernel.org, devicetree@vger.kernel.org Cc: lgirdwood@gmail.com, linux-kernel@vger.kernel.org, ranjani.sridharan@linux.intel.com, kai.vehmanen@linux.intel.com, perex@perex.cz, tiwai@suse.com, daniel.baluta@gmail.com, Daniel Baluta Subject: [PATCH 1/3] ASoC: SOF: Parse fw/tplg filename from DT Date: Thu, 15 Jul 2021 17:18:00 +0300 Message-Id: <20210715141802.880911-2-daniel.baluta@oss.nxp.com> X-Mailer: git-send-email 2.27.0 In-Reply-To: <20210715141802.880911-1-daniel.baluta@oss.nxp.com> References: <20210715141802.880911-1-daniel.baluta@oss.nxp.com> X-ClientProxiedBy: VI1P195CA0085.EURP195.PROD.OUTLOOK.COM (2603:10a6:802:59::38) To AM0PR04MB5140.eurprd04.prod.outlook.com (2603:10a6:208:ca::21) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from localhost.localdomain (2a02:2f08:5503:9f00:58f1:af0b:2fd9:e70) by VI1P195CA0085.EURP195.PROD.OUTLOOK.COM (2603:10a6:802:59::38) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4331.21 via Frontend Transport; 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Signed-off-by: Daniel Baluta --- sound/soc/sof/sof-of-dev.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) -- 2.27.0 diff --git a/sound/soc/sof/sof-of-dev.c b/sound/soc/sof/sof-of-dev.c index d1a21edfa05d..770935191823 100644 --- a/sound/soc/sof/sof-of-dev.c +++ b/sound/soc/sof/sof-of-dev.c @@ -65,11 +65,28 @@ static void sof_of_probe_complete(struct device *dev) pm_runtime_put_autosuspend(dev); } +int sof_of_parse(struct platform_device *pdev) +{ + struct snd_sof_pdata *sof_pdata = platform_get_drvdata(pdev); + struct device_node *np = pdev->dev.of_node; + int ret; + + /* firmware-name is optional in DT */ + of_property_read_string(np, "firmware-name", &sof_pdata->fw_filename); + + ret = of_property_read_string(np, "tplg-name", &sof_pdata->tplg_filename); + if (ret < 0) + return ret; + + return 0; +} + static int sof_of_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; const struct sof_dev_desc *desc; struct snd_sof_pdata *sof_pdata; + int ret; dev_info(&pdev->dev, "DT DSP detected"); @@ -77,6 +94,8 @@ static int sof_of_probe(struct platform_device *pdev) if (!sof_pdata) return -ENOMEM; + platform_set_drvdata(pdev, sof_pdata); + desc = device_get_match_data(dev); if (!desc) return -ENODEV; @@ -94,6 +113,16 @@ static int sof_of_probe(struct platform_device *pdev) sof_pdata->fw_filename_prefix = sof_pdata->desc->default_fw_path; sof_pdata->tplg_filename_prefix = sof_pdata->desc->default_tplg_path; + ret = sof_of_parse(pdev); + if (ret < 0) { + dev_err(dev, "Could not parse SOF OF DSP node\n"); + return ret; + } + + /* use default fw filename if none provided in DT */ + if (!sof_pdata->fw_filename) + sof_pdata->fw_filename = desc->default_fw_filename; + /* set callback to be called on successful device probe to enable runtime_pm */ sof_pdata->sof_probe_complete = sof_of_probe_complete;