[PATCH v2 1/8] ASoC: soc-core: add snd_soc_daifmt_clock_provider_from_bitmap()
Kuninori Morimoto
kuninori.morimoto.gx at renesas.com
Wed Jun 9 04:13:46 CEST 2021
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
This patch adds snd_soc_daifmt_clock_provider_from_bitmap() function
to judge clock/frame master from its bitmap.
This is prepare for snd_soc_of_parse_daifmt() cleanup.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
include/sound/soc.h | 1 +
sound/soc/soc-core.c | 33 +++++++++++++++++++--------------
2 files changed, 20 insertions(+), 14 deletions(-)
diff --git a/include/sound/soc.h b/include/sound/soc.h
index e746da996351..ea35e431e04e 100644
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1232,6 +1232,7 @@ void snd_soc_of_parse_audio_prefix(struct snd_soc_card *card,
int snd_soc_of_parse_audio_routing(struct snd_soc_card *card,
const char *propname);
int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname);
+unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame);
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
const char *prefix,
struct device_node **bitclkmaster,
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index 44e65f984a5c..f271202f4049 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -3017,6 +3017,24 @@ int snd_soc_of_parse_aux_devs(struct snd_soc_card *card, const char *propname)
}
EXPORT_SYMBOL_GPL(snd_soc_of_parse_aux_devs);
+unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame)
+{
+ /* Codec base */
+ switch (bit_frame) {
+ case 0x11:
+ return SND_SOC_DAIFMT_CBP_CFP;
+ case 0x10:
+ return SND_SOC_DAIFMT_CBP_CFC;
+ case 0x01:
+ return SND_SOC_DAIFMT_CBC_CFP;
+ default:
+ return SND_SOC_DAIFMT_CBC_CFC;
+ }
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(snd_soc_daifmt_clock_provider_from_bitmap);
+
unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
const char *prefix,
struct device_node **bitclkmaster,
@@ -3115,20 +3133,7 @@ unsigned int snd_soc_of_parse_daifmt(struct device_node *np,
if (frame && framemaster)
*framemaster = of_parse_phandle(np, prop, 0);
- switch ((bit << 4) + frame) {
- case 0x11:
- format |= SND_SOC_DAIFMT_CBM_CFM;
- break;
- case 0x10:
- format |= SND_SOC_DAIFMT_CBM_CFS;
- break;
- case 0x01:
- format |= SND_SOC_DAIFMT_CBS_CFM;
- break;
- default:
- format |= SND_SOC_DAIFMT_CBS_CFS;
- break;
- }
+ format |= snd_soc_daifmt_clock_provider_from_bitmap((bit << 4) + frame);
return format;
}
--
2.25.1
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