From patchwork Tue Jun 28 10:44:11 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Binding X-Patchwork-Id: 12898063 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 3333DC43334 for ; Tue, 28 Jun 2022 10:46:07 +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 5DD1583A; Tue, 28 Jun 2022 12:45:15 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa0.perex.cz 5DD1583A DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=alsa-project.org; s=default; t=1656413165; bh=mrTY+LhhQN0SUSD9+W/ZTD+DapxlZFWCRwfvGj9VXGs=; h=From:To:Subject:Date:In-Reply-To:References:Cc:List-Id: List-Unsubscribe:List-Archive:List-Post:List-Help:List-Subscribe: From; b=cbDTFECVkyx2cC5ctFkcOGTqbyY+jEF7Ssiw0nk7wt28FpTjWbuD1dDpytTbGi1sB nnO+VeHQTGiq33MRnCQknix3Gp0zPtYW03vFX1JolccQbw+WkQcixv0D2Rt62PSCXF ax32yGYkKuruG7hI5jVTUT+3+VVSimiVRxM4lH2Y= Received: from alsa1.perex.cz (localhost.localdomain [127.0.0.1]) by alsa1.perex.cz (Postfix) with ESMTP id 9FFD7F8052D; Tue, 28 Jun 2022 12:44:29 +0200 (CEST) Received: by alsa1.perex.cz (Postfix, from userid 50401) id 7D38FF80166; Tue, 28 Jun 2022 12:44:28 +0200 (CEST) Received: from mx0b-001ae601.pphosted.com (mx0b-001ae601.pphosted.com [67.231.152.168]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by alsa1.perex.cz (Postfix) with ESMTPS id 33F9DF80166 for ; Tue, 28 Jun 2022 12:44:17 +0200 (CEST) DKIM-Filter: OpenDKIM Filter v2.11.0 alsa1.perex.cz 33F9DF80166 Authentication-Results: alsa1.perex.cz; dkim=pass (2048-bit key) header.d=cirrus.com header.i=@cirrus.com header.b="iEIo4KlO" Received: from pps.filterd (m0077474.ppops.net [127.0.0.1]) by mx0b-001ae601.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 25S8Aom8002616; Tue, 28 Jun 2022 05:44:16 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cirrus.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=PODMain02222019; bh=LBdjpKTcBhVvtkLLUBtkb/1VdJ7fQ8gDmZFGNTWayfE=; b=iEIo4KlO1TxLHhH1TJ5A7+OiPwNHZJTVUWKC6KC+fvIKu4KwNg7nZcibs3x/I/2rhHxy QrxOhHLScrGTWD3MIz5QAT680oOAXhewHFsXyubkXXJoGsfLZTg6p30RkA7P9Annw0ep L+6pTJr4ZXYAxlFKMcjZav4G7vDAXHY8CKZvDuh5eGF+YV9Igt+55cHqjrRMcBRM+R0k NZDBqXUGYH0ssc+Ort15HSTar7MCD0yll3M5F2PdKaACZxaovvmEIJQaWxE18iIfKEHk 9uHjBjTTniqwwkkRNeBNojR0lc/ebuujwh6865sbbuPjbec9dAoOw4qrFd60Cf8G03Kc iA== Received: from ediex01.ad.cirrus.com ([84.19.233.68]) by mx0b-001ae601.pphosted.com (PPS) with ESMTPS id 3gwxsq3rut-2 (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128 verify=NOT); Tue, 28 Jun 2022 05:44:16 -0500 Received: from EDIEX01.ad.cirrus.com (198.61.84.80) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2375.28; Tue, 28 Jun 2022 11:44:14 +0100 Received: from ediswmail.ad.cirrus.com (198.61.86.93) by EDIEX01.ad.cirrus.com (198.61.84.80) with Microsoft SMTP Server id 15.1.2375.28 via Frontend Transport; Tue, 28 Jun 2022 11:44:14 +0100 Received: from sbinding-cirrus-dsktp.ad.cirrus.com (unknown [198.90.238.163]) by ediswmail.ad.cirrus.com (Postfix) with ESMTP id 8AD852A1; Tue, 28 Jun 2022 10:44:14 +0000 (UTC) From: Stefan Binding To: "Rafael J . Wysocki" , Len Brown , Mark Brown , Liam Girdwood Subject: [PATCH v4 2/2] ASoC: cs35l41: Read System Name from ACPI _SUB to identify firmware Date: Tue, 28 Jun 2022 11:44:11 +0100 Message-ID: <20220628104411.984551-3-sbinding@opensource.cirrus.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220628104411.984551-1-sbinding@opensource.cirrus.com> References: <20220628104411.984551-1-sbinding@opensource.cirrus.com> MIME-Version: 1.0 X-Proofpoint-GUID: NtYvUKnreYSGMU-cQj4apqMn9NVo3X7I X-Proofpoint-ORIG-GUID: NtYvUKnreYSGMU-cQj4apqMn9NVo3X7I X-Proofpoint-Spam-Reason: safe Cc: linux-acpi@vger.kernel.org, alsa-devel@alsa-project.org, Stefan Binding , linux-kernel@vger.kernel.org, patches@opensource.cirrus.com 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" When loading firmware, wm_adsp uses a number of parameters to determine the path of the firmware and tuning files to load. One of these parameters is system_name. Add support in cs35l41 to read this system name from the ACPI _SUB ID in order to uniquely identify the firmware and tuning mapped to a particular system. Signed-off-by: Stefan Binding --- sound/soc/codecs/cs35l41.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/sound/soc/codecs/cs35l41.c b/sound/soc/codecs/cs35l41.c index 8766e19d85f1..9ab016094b32 100644 --- a/sound/soc/codecs/cs35l41.c +++ b/sound/soc/codecs/cs35l41.c @@ -6,6 +6,7 @@ // // Author: David Rhodes +#include #include #include #include @@ -1142,6 +1143,24 @@ static int cs35l41_dsp_init(struct cs35l41_private *cs35l41) return ret; } +static int cs35l41_probe_acpi(struct cs35l41_private *cs35l41) +{ + acpi_handle handle = ACPI_HANDLE(cs35l41->dev); + const char *sub; + + /* If there is no ACPI_HANDLE, there is no ACPI for this system, return 0 */ + if (!handle) + return 0; + + sub = acpi_get_subsystem_id(handle); + if (IS_ERR(sub)) + return PTR_ERR(sub); + + cs35l41->dsp.system_name = sub; + dev_dbg(cs35l41->dev, "Susystem ID: %s\n", cs35l41->dsp.system_name); + return 0; +} + int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg *hw_cfg) { u32 regid, reg_revid, i, mtl_revid, int_status, chipid_match; @@ -1270,6 +1289,10 @@ int cs35l41_probe(struct cs35l41_private *cs35l41, const struct cs35l41_hw_cfg * goto err; } + ret = cs35l41_probe_acpi(cs35l41); + if (ret < 0) + goto err; + ret = cs35l41_dsp_init(cs35l41); if (ret < 0) goto err; @@ -1316,6 +1339,7 @@ void cs35l41_remove(struct cs35l41_private *cs35l41) pm_runtime_disable(cs35l41->dev); regmap_write(cs35l41->regmap, CS35L41_IRQ1_MASK1, 0xFFFFFFFF); + kfree(cs35l41->dsp.system_name); wm_adsp2_remove(&cs35l41->dsp); cs35l41_safe_reset(cs35l41->regmap, cs35l41->hw_cfg.bst_type);