ASoC: soc-core: add snd_soc_daifmt_clock_provider_fliped()

Sometimes we want to get CLOCK_PROVIDER fliped dai_fmt.
This patch adds new snd_soc_daifmt_clock_provider_fliped() for it.

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Link: https://lore.kernel.org/r/878s3dw9ex.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/include/sound/soc.h b/include/sound/soc.h
index ea35e43..45f3da2 100644 (file)
--- a/include/sound/soc.h
+++ b/include/sound/soc.h
@@ -1232,6 +1232,8 @@ 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_fliped(unsigned int dai_fmt);
 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,

diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index bbbdf62..6050f44 100644 (file)
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -1249,21 +1249,8 @@ int snd_soc_runtime_set_dai_fmt(struct snd_soc_pcm_runtime *rtd,
         * Flip the polarity for the "CPU" end of a CODEC<->CODEC link
         * the component which has non_legacy_dai_naming is Codec
         */
-       inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_MASTER_MASK;
-       switch (dai_fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-       case SND_SOC_DAIFMT_CBM_CFM:
-               inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFS;
-               break;
-       case SND_SOC_DAIFMT_CBM_CFS:
-               inv_dai_fmt |= SND_SOC_DAIFMT_CBS_CFM;
-               break;
-       case SND_SOC_DAIFMT_CBS_CFM:
-               inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFS;
-               break;
-       case SND_SOC_DAIFMT_CBS_CFS:
-               inv_dai_fmt |= SND_SOC_DAIFMT_CBM_CFM;
-               break;
-       }
+       inv_dai_fmt = snd_soc_daifmt_clock_provider_fliped(dai_fmt);
+
        for_each_rtd_cpu_dais(rtd, i, cpu_dai) {
                unsigned int fmt = dai_fmt;
 
@@ -3017,6 +3004,29 @@ 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_fliped(unsigned int dai_fmt)
+{
+       unsigned int inv_dai_fmt = dai_fmt & ~SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK;
+
+       switch (dai_fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {
+       case SND_SOC_DAIFMT_CBP_CFP:
+               inv_dai_fmt |= SND_SOC_DAIFMT_CBC_CFC;
+               break;
+       case SND_SOC_DAIFMT_CBP_CFC:
+               inv_dai_fmt |= SND_SOC_DAIFMT_CBC_CFP;
+               break;
+       case SND_SOC_DAIFMT_CBC_CFP:
+               inv_dai_fmt |= SND_SOC_DAIFMT_CBP_CFC;
+               break;
+       case SND_SOC_DAIFMT_CBC_CFC:
+               inv_dai_fmt |= SND_SOC_DAIFMT_CBP_CFP;
+               break;
+       }
+
+       return inv_dai_fmt;
+}
+EXPORT_SYMBOL_GPL(snd_soc_daifmt_clock_provider_fliped);
+
 unsigned int snd_soc_daifmt_clock_provider_from_bitmap(unsigned int bit_frame)
 {
        /* Codec base */