From nobody Fri Sep 20 04:03:36 2024 Received: from madrid.collaboradmins.com (madrid.collaboradmins.com [46.235.227.194]) (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 5837C12BF02; Thu, 7 Mar 2024 11:45:04 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=46.235.227.194 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709811906; cv=none; b=XVYGkQtGBYoP222jNBYX+bd2MAPviOm9nYgKlGOTIVg27k7CWwG8odCAK43EgmwdrO/8jx2tjNzb5XWJ5CzIhUXjWY6QkoSYLBoEMStnE+d/UkWABFL1cKIT1RBeQhyXFsp3xBcxHg9YLAfLnCpZ8E0NuNIMP5QPZ8+trkptlIs= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1709811906; c=relaxed/simple; bh=/pS8nnncjy2TDDWZ2CUchnxDIc/k7Kdx/uqwdwe7Xs0=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=EY+mqFc3GeoamCFSqDyFADv0ugedkc2To+721B2NiY71T/VzmPmVTxdgSTeJP05ke75dKlRfBG6Ss7jFTMCPQiG/k1yn+E5Xv9XGwflSofwPHS+vBILogXLX4PU/+ZuDZohZFFIK0ShEUSWM2z0VC/U/AeAmZS35BbO0gJo1VJU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com; spf=pass smtp.mailfrom=collabora.com; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b=SFka2ONl; arc=none smtp.client-ip=46.235.227.194 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=collabora.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=collabora.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=collabora.com header.i=@collabora.com header.b="SFka2ONl" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1709811902; bh=/pS8nnncjy2TDDWZ2CUchnxDIc/k7Kdx/uqwdwe7Xs0=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=SFka2ONl+IW1KD+u2U5you9zacfumzJ0PTggp7r10/VXjdt/m6dS9N6ShYk6Nyh55 M1lQcQwPyAswbBsyhozWMpKjf0OQ+0F5YUR2TXgdJGkuqxgivzxXxN8rXojVhTV8Vc bew0iaiL5+jBDdbDdNoXDVwkp08EQBSqmSC3VVQBN3dDpTFmopQtB0pKvC814O8pEr 1DtWA+9cdNU6B5wyEC8RT+tBlXXcHK1vB0qQ0G+OyCyJn9NCyNrwBaAFdI7Le5Bj// 9/MTe/uk1uYMSZ7BqyprEHrk2Lq7m0dggzVB/qd/2wZqzjUzn2uDjiNJN0kOWMlEsD 7ZJGp3+p6kosQ== Received: from IcarusMOD.eternityproject.eu (cola.collaboradmins.com [195.201.22.229]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: kholk11) by madrid.collaboradmins.com (Postfix) with ESMTPSA id 7279C37820ED; Thu, 7 Mar 2024 11:45:00 +0000 (UTC) From: AngeloGioacchino Del Regno To: broonie@kernel.org Cc: wenst@chromium.org, lgirdwood@gmail.com, robh@kernel.org, krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org, matthias.bgg@gmail.com, perex@perex.cz, tiwai@suse.com, trevor.wu@mediatek.com, maso.huang@mediatek.com, xiazhengqiao@huaqin.corp-partner.google.com, arnd@arndb.de, kuninori.morimoto.gx@renesas.com, shraash@google.com, amergnat@baylibre.com, nicolas.ferre@microchip.com, u.kleine-koenig@pengutronix.de, dianders@chromium.org, frank.li@vivo.com, allen-kh.cheng@mediatek.com, eugen.hristev@collabora.com, claudiu.beznea@tuxon.dev, jarkko.nikula@bitmer.com, jiaxin.yu@mediatek.com, alpernebiyasak@gmail.com, ckeepax@opensource.cirrus.com, zhourui@huaqin.corp-partner.google.com, nfraprado@collabora.com, alsa-devel@alsa-project.org, shane.chien@mediatek.com, linux-sound@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, kernel@collabora.com, AngeloGioacchino Del Regno Subject: [PATCH v2 04/22] ASoC: mediatek: Assign dummy when codec not specified for a DAI link Date: Thu, 7 Mar 2024 12:44:27 +0100 Message-ID: <20240307114445.196981-5-angelogioacchino.delregno@collabora.com> X-Mailer: git-send-email 2.44.0 In-Reply-To: <20240307114445.196981-1-angelogioacchino.delregno@collabora.com> References: <20240307114445.196981-1-angelogioacchino.delregno@collabora.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" MediaTek sound card drivers are checking whether a DAI link is present and used on a board to assign the correct parameters and this is done by checking the codec DAI names at probe time. If no real codec is present, assign the dummy codec to the DAI link to avoid NULL pointer during string comparison. Fixes: 4302187d955f ("ASoC: mediatek: common: add soundcard driver common c= ode") Signed-off-by: AngeloGioacchino Del Regno --- sound/soc/mediatek/common/mtk-soundcard-driver.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/sound/soc/mediatek/common/mtk-soundcard-driver.c b/sound/soc/m= ediatek/common/mtk-soundcard-driver.c index a58e1e3674de..000a086a8cf4 100644 --- a/sound/soc/mediatek/common/mtk-soundcard-driver.c +++ b/sound/soc/mediatek/common/mtk-soundcard-driver.c @@ -22,7 +22,11 @@ static int set_card_codec_info(struct snd_soc_card *card, =20 codec_node =3D of_get_child_by_name(sub_node, "codec"); if (!codec_node) { - dev_dbg(dev, "%s no specified codec\n", dai_link->name); + dev_dbg(dev, "%s no specified codec: setting dummy.\n", dai_link->name); + + dai_link->codecs =3D &snd_soc_dummy_dlc; + dai_link->num_codecs =3D 1; + dai_link->dynamic =3D 1; return 0; } =20 --=20 2.44.0