From patchwork Mon Dec 18 12:40:52 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Elinor Montmasson X-Patchwork-Id: 756199 Received: from mail.savoirfairelinux.com (mail.savoirfairelinux.com [208.88.110.44]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 4684F80E0B; Mon, 18 Dec 2023 12:42:58 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=savoirfairelinux.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=savoirfairelinux.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=savoirfairelinux.com header.i=@savoirfairelinux.com header.b="METad6L9" Received: from localhost (localhost [127.0.0.1]) by mail.savoirfairelinux.com (Postfix) with ESMTP id 6E4BA9C3FCC; Mon, 18 Dec 2023 07:42:57 -0500 (EST) Received: from mail.savoirfairelinux.com ([127.0.0.1]) by localhost (mail.savoirfairelinux.com [127.0.0.1]) (amavis, port 10032) with ESMTP id h0mG4bj41yIX; Mon, 18 Dec 2023 07:42:57 -0500 (EST) Received: from localhost (localhost [127.0.0.1]) by mail.savoirfairelinux.com (Postfix) with ESMTP id E89589C411B; Mon, 18 Dec 2023 07:42:56 -0500 (EST) DKIM-Filter: OpenDKIM Filter v2.10.3 mail.savoirfairelinux.com E89589C411B DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=savoirfairelinux.com; s=DFC430D2-D198-11EC-948E-34200CB392D2; t=1702903376; bh=UiaPRtB78O/TxKdZ0KogRi45bm5TmsI0TncGDAFUtsc=; h=From:To:Date:Message-Id:MIME-Version; b=METad6L94kc7G4Eakrs0kqCcancv7EvJVq+4UDcclNXM4EE0TtSg5Kpw/ztDRqj5t y/u5VCZHj5FOWfHHTXXGGA5RA9toRPr+ZdwG7BETSsojT5KWdEOn88rQRqpA+qtNax 1RBSp9VjjAS7V/bnPzNYqjD9juaLCg3Jo/XvEOrtbnBj5DRUjzD5sjM4Xq1TpclDsF HGwJsT5YpXTK5qtKvlMNoaBG+yL2GT5CPyUe1J/aueeNAfZJ3ItPuRi5Onowy2AmZx AvTiLvRD5C7dl+6W8tDw5eCBSbYx20WED0In+QDnCLw7NTgouY/F1T/uTE8xAU37pP G5h2To+2yu3gw== X-Virus-Scanned: amavis at mail.savoirfairelinux.com Received: from mail.savoirfairelinux.com ([127.0.0.1]) by localhost (mail.savoirfairelinux.com [127.0.0.1]) (amavis, port 10026) with ESMTP id XTv8GG-jZ0WP; Mon, 18 Dec 2023 07:42:56 -0500 (EST) Received: from gerard.rennes.sfl (unknown [192.168.216.3]) by mail.savoirfairelinux.com (Postfix) with ESMTPSA id E2AC99C3FCC; Mon, 18 Dec 2023 07:42:54 -0500 (EST) From: Elinor Montmasson To: Liam Girdwood , Mark Brown , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shengjiu Wang , Xiubo Li , Fabio Estevam , Nicolin Chen , Jaroslav Kysela , Takashi Iwai Cc: linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org, Elinor Montmasson , Philip-Dylan Subject: [PATCHv3 RESEND 04/10] ASoC: fsl-asoc-card: add new compatible for a generic codec use case Date: Mon, 18 Dec 2023 13:40:52 +0100 Message-Id: <20231218124058.2047167-5-elinor.montmasson@savoirfairelinux.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20231218124058.2047167-1-elinor.montmasson@savoirfairelinux.com> References: <20231218124058.2047167-1-elinor.montmasson@savoirfairelinux.com> Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Add the new compatible "fsl,imx-audio-generic" for a generic codec use case. It allows using the fsl-asoc-card driver with the spdif_receiver and spdif_transmitter codec drivers used as dummy codecs. It can be used for cases where there is no real codec or codecs which do not require declaring controls. Signed-off-by: Elinor Montmasson Co-authored-by: Philip-Dylan Gleonec --- sound/soc/fsl/fsl-asoc-card.c | 29 ++++++++++++++++++++++++++--- 1 file changed, 26 insertions(+), 3 deletions(-) diff --git a/sound/soc/fsl/fsl-asoc-card.c b/sound/soc/fsl/fsl-asoc-card.c index 5dd5493cb931..71048c1250ec 100644 --- a/sound/soc/fsl/fsl-asoc-card.c +++ b/sound/soc/fsl/fsl-asoc-card.c @@ -567,6 +567,7 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) struct platform_device *cpu_pdev; struct fsl_asoc_card_priv *priv; struct device *codec_dev[2] = { NULL, NULL }; + const char *generic_codec_dai_names[2]; const char *codec_dai_name; const char *codec_dev_name[2]; u32 asrc_fmt = 0; @@ -738,6 +739,11 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) priv->dai_fmt |= SND_SOC_DAIFMT_CBM_CFM; if (codec_dev[0]) priv->codec_priv[0].mclk = devm_clk_get(codec_dev[0], NULL); + } else if (of_device_is_compatible(np, "fsl,imx-audio-generic")) { + generic_codec_dai_names[0] = "dit-hifi"; + generic_codec_dai_names[1] = "dir-hifi"; + priv->dai_link[0].num_codecs = 2; + priv->dai_link[2].num_codecs = 2; } else { dev_err(&pdev->dev, "unknown Device Tree compatible\n"); ret = -EINVAL; @@ -792,6 +798,12 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) ret = -EPROBE_DEFER; goto asrc_fail; } + if (of_device_is_compatible(np, "fsl,imx-audio-generic") + && !codec_dev[1]) { + dev_dbg(&pdev->dev, "failed to find second codec device\n"); + ret = -EPROBE_DEFER; + goto asrc_fail; + } /* Common settings for corresponding Freescale CPU DAI driver */ if (of_node_name_eq(cpu_np, "ssi")) { @@ -849,11 +861,21 @@ static int fsl_asoc_card_probe(struct platform_device *pdev) /* Normal DAI Link */ priv->dai_link[0].cpus->of_node = cpu_np; - priv->dai_link[0].codecs[0].dai_name = codec_dai_name; - if (!fsl_asoc_card_is_ac97(priv)) + if (of_device_is_compatible(np, "fsl,imx-audio-generic")) { + priv->dai_link[0].codecs[0].dai_name = + generic_codec_dai_names[0]; + priv->dai_link[0].codecs[1].dai_name = + generic_codec_dai_names[1]; + } else { + priv->dai_link[0].codecs[0].dai_name = codec_dai_name; + } + + if (!fsl_asoc_card_is_ac97(priv)) { priv->dai_link[0].codecs[0].of_node = codec_np[0]; - else { + if (of_device_is_compatible(np, "fsl,imx-audio-generic")) + priv->dai_link[0].codecs[1].of_node = codec_np[1]; + } else { u32 idx; ret = of_property_read_u32(cpu_np, "cell-index", &idx); @@ -983,6 +1005,7 @@ static const struct of_device_id fsl_asoc_card_dt_ids[] = { { .compatible = "fsl,imx-audio-si476x", }, { .compatible = "fsl,imx-audio-wm8958", }, { .compatible = "fsl,imx-audio-nau8822", }, + { .compatible = "fsl,imx-audio-generic", }, {} }; MODULE_DEVICE_TABLE(of, fsl_asoc_card_dt_ids);