[alsa-devel] [PATCH 14/49] ASoC: simple-card-core: add asoc_simple_card_parse_dpcm()

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

simple-card like driver is supporting DPCM FE/BE.
This patch makes this method simple style standard.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
 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