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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2021-06-14 03:56:46 +0300
committerMark Brown <broonie@kernel.org>2021-06-21 15:05:15 +0300
commit91ae447762517c814672e2e5ff2383348101a032 (patch)
tree58cf780066746b0e1a74da0e9088196933b406b4 /sound/soc/soc-core.c
parent45ce213392df07b9e2443666c0910e1617882cf3 (diff)
downloadlinux-91ae447762517c814672e2e5ff2383348101a032.tar.xz
ASoC: soc-core: add snd_soc_daifmt_clock_provider_from_bitmap()
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@renesas.com> Link: https://lore.kernel.org/r/87a6ntw9f5.wl-kuninori.morimoto.gx@renesas.com Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/soc-core.c')
-rw-r--r--sound/soc/soc-core.c33
1 files changed, 19 insertions, 14 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index da3cd7cf5808..bbbdf62b371b 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;
}