From: Sameer Pujar <spujar@nvidia.com>
To: <broonie@kernel.org>, <lgirdwood@gmail.com>, <robh+dt@kernel.org>,
<kuninori.morimoto.gx@renesas.com>,
<pierre-louis.bossart@linux.intel.com>, <perex@perex.cz>,
<tiwai@suse.com>, <thierry.reding@gmail.com>,
<jonathanh@nvidia.com>
Cc: <alsa-devel@alsa-project.org>, <devicetree@vger.kernel.org>,
<linux-tegra@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<sharadg@nvidia.com>, <mkumard@nvidia.com>,
<viswanathl@nvidia.com>, <rlokhande@nvidia.com>,
<dramesh@nvidia.com>, <atalambedu@nvidia.com>,
<nwartikar@nvidia.com>, <swarren@nvidia.com>,
<nicoleotsuka@gmail.com>, Sameer Pujar <spujar@nvidia.com>
Subject: [PATCH v3 05/13] ASoC: audio-graph: Support empty Codec endpoint
Date: Thu, 1 Oct 2020 23:02:59 +0530 [thread overview]
Message-ID: <1601573587-15288-6-git-send-email-spujar@nvidia.com> (raw)
In-Reply-To: <1601573587-15288-1-git-send-email-spujar@nvidia.com>
For open platforms, which can support pluggable audio cards, Codec
endpoint is not fixed always. It actually depends on the compatible
HW module that is going to be connected. From SoC side the given I/O
interface is always available. Hence such links have fixed CPU endpoint
but no Codec endpoint. This patch helps to support such links where
user can populate Codec endpoint only and its fields in Platform DT
depending on the plugged HW.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
---
sound/soc/generic/audio-graph-card.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index 9b06841..0ba50be9 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -229,6 +229,14 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
struct snd_soc_dai_link_component *codecs = dai_link->codecs;
int ret;
+ /*
+ * Codec endpoint can be NULL for pluggable audio HW.
+ * Platform DT can populate the Codec endpoint depending on the
+ * plugged HW.
+ */
+ if (!li->cpu && !codec_ep)
+ return 0;
+
/* Do it all CPU endpoint, and 1st Codec endpoint */
if (!li->cpu && dup_codec)
return 0;
@@ -565,7 +573,7 @@ static int graph_count_dpcm(struct asoc_simple_priv *priv,
li->link++; /* 1xCPU-dummy */
li->dais++; /* 1xCPU */
- if (!dup_codec) {
+ if (!dup_codec && codec_ep) {
li->link++; /* 1xdummy-Codec */
li->conf++; /* 1xdummy-Codec */
li->dais++; /* 1xCodec */
--
2.7.4
next prev parent reply other threads:[~2020-10-01 17:34 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-01 17:32 [PATCH v3 00/13] Audio graph card updates and usage with Tegra210 audio Sameer Pujar
2020-10-01 17:32 ` [PATCH v3 01/13] ASoC: soc-core: Fix component name_prefix parsing Sameer Pujar
2020-10-01 18:53 ` Michał Mirosław
2020-10-02 8:50 ` Sameer Pujar
2020-10-01 17:32 ` [PATCH v3 02/13] ASoC: soc-pcm: Get all BEs along DAPM path Sameer Pujar
2020-10-01 17:32 ` [PATCH v3 03/13] ASoC: audio-graph: Use of_node and DAI for DPCM DAI link names Sameer Pujar
2020-10-01 17:32 ` [PATCH v3 04/13] ASoC: audio-graph: Identify 'no_pcm' DAI links for DPCM Sameer Pujar
2020-10-01 17:32 ` Sameer Pujar [this message]
2020-10-01 17:33 ` [PATCH v3 06/13] ASoC: simple-card-utils: Expose new members for asoc_simple_priv Sameer Pujar
2020-10-02 1:45 ` Kuninori Morimoto
2020-10-02 8:59 ` Sameer Pujar
2020-10-01 17:33 ` [PATCH v3 07/13] ASoC: audio-graph: Update driver as per new exposed members Sameer Pujar
2020-10-02 1:46 ` Kuninori Morimoto
2020-10-02 9:00 ` Sameer Pujar
2020-10-01 17:33 ` [PATCH v3 08/13] ASoC: audio-graph: Expose helpers from audio graph Sameer Pujar
2020-10-01 17:33 ` [PATCH v3 09/13] ASoC: dt-bindings: tegra: Add schema for audio graph card Sameer Pujar
2020-10-06 20:34 ` Rob Herring
2020-10-07 7:13 ` Sameer Pujar
2020-10-16 5:14 ` Sameer Pujar
2020-10-16 16:42 ` Mark Brown
2020-10-01 17:33 ` [PATCH v3 10/13] ASoC: tegra: Add audio graph based card driver Sameer Pujar
2020-10-01 19:07 ` Michał Mirosław
2020-10-01 19:44 ` Jon Hunter
2020-10-01 20:57 ` Dmitry Osipenko
2020-10-01 21:02 ` Dmitry Osipenko
2020-10-02 8:51 ` Sameer Pujar
2020-10-02 5:34 ` Kuninori Morimoto
2020-10-02 9:08 ` Sameer Pujar
2020-10-04 23:20 ` Kuninori Morimoto
2020-10-01 17:33 ` [PATCH v3 11/13] arm64: defconfig: Enable Tegra audio graph " Sameer Pujar
2020-10-01 17:33 ` [PATCH v3 12/13] arm64: tegra: Audio graph header for Tegra210 Sameer Pujar
2020-10-01 17:33 ` [PATCH v3 13/13] arm64: tegra: Audio graph sound card for Jetson Nano and TX1 Sameer Pujar
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