Hi Mark
These patches are DPCM support for simple-card,
and milestone is (*)
* 1. simple DPCM support on DT
2. sampling rate convert support on DPCM
3. multi FE/BE support on DT
4. rsnd multi block IP use multi DPCM
1) - 4) are tidyup patches of simple-card
5) adds DPCM support on simple-card
6) tidyups asoc_simple_card_sub_parse_of() (based on 5)
7) is requred DPCM on Renesas R-Car driver
8) is DT support on dummy driver
5) and 8) are main patch for DPCM on simple-card.
I'm still not 100% understand about DPCM, but 8) patch was needed
to DPCM FE/BE route, but is it wrong solution ?
About 5) patch,
I know Lars-Peter pointed DT idea for DPCM via
http://lxr.free-electrons.com/source/Documentation/devicetree/bindings/media/video-interfaces.txt
My 5) patch used this idea, but, not 100%.
Because DPCM can use multi FE-BE connection (?)
So, it is just pointing BE endpoint via "remote".
/* FrontEnd */
simple-audio-card,dai-link@0 {
remote = <&endpoint>;
cpu { ... };
codec { ... };
};
/* BackEnd */
endpoint: simple-audio-card,dai-link@1 {
cpu { ... };
codec { ... };
};
We can list many DAI in future ?
remote = <&endpoint0, &endpoint1, &endpoint2>;
Kuninori Morimoto (8):
1) ASoC: simple-card: use asoc_simple_xxx prefix
2) ASoC: simple-card: remove dai_link->cpu_dai_name when DT
3) ASoC: simple-card: dai_link->init should be cared when multi DAI
4) ASoC: simple-card: use common for_each_child_of_node() for loop
5) ASoC: simple-card: add DPCM support when DT case
6) ASoC: simple-card: remove is_top_level_node from
asoc_simple_card_sub_parse_of()
7) ASoC: rsnd: add dai_link stream name
8) ASoC: add snd-soc-dummy DT support
.../devicetree/bindings/sound/simple-card.txt | 35 +++++++++
.../devicetree/bindings/sound/snd-soc-dummy | 13 +++
sound/soc/generic/simple-card.c | 83 +++++++++++++-------
sound/soc/sh/rcar/core.c | 8 ++
sound/soc/sh/rcar/rsnd.h | 1 +
sound/soc/soc-utils.c | 12 ++-
6 files changed, 120 insertions(+), 32 deletions(-)
create mode 100644 Documentation/devicetree/bindings/sound/snd-soc-dummy
--
1.7.9.5
Best regards
---
Kuninori Morimoto
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