Modern style dai_link requests CPU/Codec/Platform component
pointer array and its size, but it will be very verbose code.
To avoid such scene, this patch adds dai_link connection macro.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
include/sound/soc.h | 57 +++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 57 insertions(+)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index 23463ba..fdde69a 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1043,6 +1043,63 @@ struct snd_soc_dai_link {
((i) < link->num_codecs) && ((codec) = &link->codecs[i]); \
(i)++)
+/*
+ * Sample 1 : Single CPU/Codec/Platform
+ *
+ * SND_SOC_DAI_LINK_CCP(single_dsp,
+ * SND_SOC_DAI_LINK(SDL_CPU("xxx")),
+ * SND_SOC_DAI_LINK(SDL_CODEC("xxx", "xxx")),
+ * SND_SOC_DAI_LINK(SDL_PLATFORM("xxx")));
+ *
+ * static struct snd_soc_dai_link xxx = {
+ * ...
+ * SND_SOC_LINK_CCP(single_dsp),
+ * ...
+ * };
+ *
+ * Sample 2 : Multi CPU/Codec, no Platform
+ *
+ * SND_SOC_DAI_LINK_CC(multi_dsp,
+ * SND_SOC_DAI_LINK(SDL_CPU("xxx"),
+ * SDL_CPU("xxx")),
+ * SND_SOC_DAI_LINK(SDL_CODEC("xxx", "xxx"),
+ * SDL_CODEC("xxx", "xxx")))
+ *
+ * static struct snd_soc_dai_link xxx = {
+ * ...
+ * SND_SOC_LINK_CC(multi_dsp),
+ * ...
+ * };
+ */
+#define SND_SOC_DAI_LINK_CC(name, cpu, codec)\
+ static struct snd_soc_dai_link_component name##_cpu[] = cpu;\
+ static struct snd_soc_dai_link_component name##_codec[] = codec
+
+#define SND_SOC_DAI_LINK_CCP(name, cpu, codec, platform)\
+ static struct snd_soc_dai_link_component name##_cpu[] = cpu;\
+ static struct snd_soc_dai_link_component name##_codec[] = codec;\
+ static struct snd_soc_dai_link_component name##_platform[] = platform
+
+#define SND_SOC_DAI_LINK(param...) { param }
+#define SDL_EMPTY() { }
+#define SDL_CPU(_dai) { .dai_name = _dai, }
+#define SDL_CODEC(_name, _dai) { .name = _name, .dai_name = _dai, }
+#define SDL_PLATFORM(_name) { .name = _name }
+
+#define SND_SOC_LINK_CC(name) \
+ .cpus = name##_cpu, \
+ .num_cpus = ARRAY_SIZE(name##_cpu), \
+ .codecs = name##_codec, \
+ .num_codecs = ARRAY_SIZE(name##_codec)
+
+#define SND_SOC_LINK_CCP(name) \
+ .cpus = name##_cpu, \
+ .num_cpus = ARRAY_SIZE(name##_cpu), \
+ .codecs = name##_codec, \
+ .num_codecs = ARRAY_SIZE(name##_codec), \
+ .platforms = name##_platform, \
+ .num_platforms = ARRAY_SIZE(name##_platform)
+
struct snd_soc_codec_conf {
/*
* specify device either by device name, or by
--
2.7.4
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
