This is a note to let you know that I've just added the patch titled
ASoC: audio-graph: respawn Platform Support
to the 5.14-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
asoc-audio-graph-respawn-platform-support.patch
and it can be found in the queue-5.14 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 2739905c0f34a9550a69f1387a82ca600f7679f2
Author: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Date: Mon Aug 30 09:44:44 2021 +0900
ASoC: audio-graph: respawn Platform Support
[ Upstream commit 5f939f49771002f347039edf984aca42f30fc31a ]
commit 63f2f9cceb09f8 ("ASoC: audio-graph: remove Platform support")
removed Platform support from audio-graph, because it doesn't have
"plat" support on DT (simple-card has).
But, Platform support is needed if user is using
snd_dmaengine_pcm_register() which adds generic DMA as Platform.
And this Platform dev is using CPU dev.
Without this patch, at least STM32MP15 audio sound card is no more
functional (v5.13 or later). This patch respawn Platform Support on
audio-graph again.
Reported-by: Olivier MOYSAN <olivier.moysan@xxxxxxxxxxx>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
Tested-by: Olivier MOYSAN <olivier.moysan@xxxxxxxxxxx>
Link: https://lore.kernel.org/r/878s0jzrpf.wl-kuninori.morimoto.gx@xxxxxxxxxxx
Signed-off-by: Mark Brown <broonie@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index 5e71382467e8..546f6fd0609e 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -285,6 +285,7 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
if (li->cpu) {
struct snd_soc_card *card = simple_priv_to_card(priv);
struct snd_soc_dai_link_component *cpus = asoc_link_to_cpu(dai_link, 0);
+ struct snd_soc_dai_link_component *platforms = asoc_link_to_platform(dai_link, 0);
int is_single_links = 0;
/* Codec is dummy */
@@ -313,6 +314,7 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv,
dai_link->no_pcm = 1;
asoc_simple_canonicalize_cpu(cpus, is_single_links);
+ asoc_simple_canonicalize_platform(platforms, cpus);
} else {
struct snd_soc_codec_conf *cconf = simple_props_to_codec_conf(dai_props, 0);
struct snd_soc_dai_link_component *codecs = asoc_link_to_codec(dai_link, 0);
@@ -366,6 +368,7 @@ static int graph_dai_link_of(struct asoc_simple_priv *priv,
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, li->link);
struct snd_soc_dai_link_component *cpus = asoc_link_to_cpu(dai_link, 0);
struct snd_soc_dai_link_component *codecs = asoc_link_to_codec(dai_link, 0);
+ struct snd_soc_dai_link_component *platforms = asoc_link_to_platform(dai_link, 0);
char dai_name[64];
int ret, is_single_links = 0;
@@ -383,6 +386,7 @@ static int graph_dai_link_of(struct asoc_simple_priv *priv,
"%s-%s", cpus->dai_name, codecs->dai_name);
asoc_simple_canonicalize_cpu(cpus, is_single_links);
+ asoc_simple_canonicalize_platform(platforms, cpus);
ret = graph_link_init(priv, cpu_ep, codec_ep, li, dai_name);
if (ret < 0)
@@ -608,6 +612,7 @@ static int graph_count_noml(struct asoc_simple_priv *priv,
li->num[li->link].cpus = 1;
li->num[li->link].codecs = 1;
+ li->num[li->link].platforms = 1;
li->link += 1; /* 1xCPU-Codec */
@@ -630,6 +635,7 @@ static int graph_count_dpcm(struct asoc_simple_priv *priv,
if (li->cpu) {
li->num[li->link].cpus = 1;
+ li->num[li->link].platforms = 1;
li->link++; /* 1xCPU-dummy */
} else {
