From: Kuninori Morimoto <[email protected]> simple-card like driver is supporting DPCM FE/BE. This patch makes this method simple style standard.
Signed-off-by: Kuninori Morimoto <[email protected]> --- include/sound/simple_card_core.h | 7 +++++++ sound/soc/generic/simple-card-core.c | 29 +++++++++++++++++++++++++++++ 2 files changed, 36 insertions(+) diff --git a/include/sound/simple_card_core.h b/include/sound/simple_card_core.h index 8155001..5e2e824 100644 --- a/include/sound/simple_card_core.h +++ b/include/sound/simple_card_core.h @@ -69,4 +69,11 @@ int asoc_simple_card_parse_endpoint(struct device_node *port_np, const char *cells_name, int *is_single_links); +#define asoc_simple_card_parse_dpcm_fe(dai_link) \ + asoc_simple_card_parse_dpcm(dai_link, NULL) +#define asoc_simple_card_parse_dpcm_be(dai_link, fixup) \ + asoc_simple_card_parse_dpcm(dai_link, fixup) +void asoc_simple_card_parse_dpcm(struct snd_soc_dai_link *dai_link, + int (*be_fixup)(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params)); #endif /* __SIMPLE_CARD_CORE_H */ diff --git a/sound/soc/generic/simple-card-core.c b/sound/soc/generic/simple-card-core.c index d9285df..d3aab6d 100644 --- a/sound/soc/generic/simple-card-core.c +++ b/sound/soc/generic/simple-card-core.c @@ -242,3 +242,32 @@ int asoc_simple_card_parse_endpoint(struct device_node *port_np, return 0; } EXPORT_SYMBOL_GPL(asoc_simple_card_parse_endpoint); + +void asoc_simple_card_parse_dpcm(struct snd_soc_dai_link *dai_link, + int (*be_fixup)(struct snd_soc_pcm_runtime *rtd, + struct snd_pcm_hw_params *params)) +{ + if (be_fixup) { + /* FE is dummy */ + dai_link->cpu_of_node = NULL; + dai_link->cpu_dai_name = "snd-soc-dummy-dai"; + dai_link->cpu_name = "snd-soc-dummy"; + + /* BE settings */ + dai_link->no_pcm = 1; + dai_link->be_hw_params_fixup = be_fixup; + } else { + /* BE is dummy */ + dai_link->codec_of_node = NULL; + dai_link->codec_dai_name = "snd-soc-dummy-dai"; + dai_link->codec_name = "snd-soc-dummy"; + + /* FE settings */ + dai_link->dynamic = 1; + dai_link->dpcm_merged_format = 1; + } + + dai_link->dpcm_playback = 1; + dai_link->dpcm_capture = 1; +} +EXPORT_SYMBOL_GPL(asoc_simple_card_parse_dpcm); -- 1.9.1
