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| author | Sameer Pujar <spujar@nvidia.com> | 2021-09-13 22:12:11 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-09-20 13:31:29 +0100 |
| commit | 30b428d02cbc9888d84407306d54dce8c2b8bfbf (patch) | |
| tree | c0169921e606cf63ddae7212c2216a2f3ce1b112 /sound/soc | |
| parent | 7a226f2eabdc2e839d8f07c5ce087136f9c0f35c (diff) | |
| download | linux-30b428d02cbc9888d84407306d54dce8c2b8bfbf.tar.bz2 | |
ASoC: audio-graph: Fixup CPU endpoint hw_params in a BE<->BE link
When multiple components are connected back to back in an audio path,
hw_param fixup may be required for CPU or Codec endpoint of BE<->BE
DAI links. Currently fixup support is available for Codec and this
commit adds similar feature for CPU endpoint of a BE<->BE link.
For example a resampler component can be plugged into an audio path.
[ FE -> BE1 -> ... -> resampler -> ... BEn ]
The resampler DAI links can be:
BEx (CPU) -> resampler input (Codec)
resampler output (CPU) -> BEy (Codec)
Thus input and output sample rate parameters for resampler can be
fixed up as per the resample requirement.
Signed-off-by: Sameer Pujar <spujar@nvidia.com>
Cc: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/1631551342-25469-4-git-send-email-spujar@nvidia.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/generic/audio-graph-card.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c index 546f6fd0609e..7eb027238327 100644 --- a/sound/soc/generic/audio-graph-card.c +++ b/sound/soc/generic/audio-graph-card.c @@ -310,8 +310,10 @@ static int graph_dai_link_of_dpcm(struct asoc_simple_priv *priv, * For example: FE <-> BE1 <-> BE2 <-> ... <-> BEn where * there are 'n' BE components in the path. */ - if (card->component_chaining && !soc_component_is_pcm(cpus)) + if (card->component_chaining && !soc_component_is_pcm(cpus)) { dai_link->no_pcm = 1; + dai_link->be_hw_params_fixup = asoc_simple_be_hw_params_fixup; + } asoc_simple_canonicalize_cpu(cpus, is_single_links); asoc_simple_canonicalize_platform(platforms, cpus); |