[RESEND] ASoC: cs43130: Allow configuration of bit clock and frame inversion

From: Maciej Strozek
Date: Fri Nov 24 2023 - 04:51:13 EST


Signed-off-by: Maciej Strozek <mstrozek@xxxxxxxxxxxxxxxxxxxxx>
---
Resending patch which previously broke x86 allmodconfig [1], now rebased on
for-next branch

[1]: https://lore.kernel.org/all/ZVfLMIbCpShVAYBf@xxxxxxxxxxxxxxxxxxxxxxxx/

sound/soc/codecs/cs43130.c | 42 ++++++++++++++++++++++++++++++++++++--
sound/soc/codecs/cs43130.h | 1 +
2 files changed, 41 insertions(+), 2 deletions(-)

diff --git a/sound/soc/codecs/cs43130.c b/sound/soc/codecs/cs43130.c
index 4f16baf4eafb..0f3ead84665f 100644
--- a/sound/soc/codecs/cs43130.c
+++ b/sound/soc/codecs/cs43130.c
@@ -620,6 +620,27 @@ static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk,
return -EINVAL;
}

+ switch (cs43130->dais[dai_id].dai_invert) {
+ case SND_SOC_DAIFMT_NB_NF:
+ sclk_edge = 1;
+ lrck_edge = 0;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ sclk_edge = 0;
+ lrck_edge = 0;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ sclk_edge = 1;
+ lrck_edge = 1;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ sclk_edge = 0;
+ lrck_edge = 1;
+ break;
+ default:
+ return -EINVAL;
+ }
+
switch (cs43130->dais[dai_id].dai_mode) {
case SND_SOC_DAIFMT_CBS_CFS:
dai_mode_val = 0;
@@ -632,8 +653,6 @@ static int cs43130_set_sp_fmt(int dai_id, unsigned int bitwidth_sclk,
}

frm_size = bitwidth_sclk * params_channels(params);
- sclk_edge = 1;
- lrck_edge = 0;
loc_ch1 = 0;
loc_ch2 = bitwidth_sclk * (params_channels(params) - 1);

@@ -1516,6 +1535,25 @@ static int cs43130_pcm_set_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)
return -EINVAL;
}

+ switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
+ case SND_SOC_DAIFMT_NB_NF:
+ cs43130->dais[codec_dai->id].dai_invert = SND_SOC_DAIFMT_NB_NF;
+ break;
+ case SND_SOC_DAIFMT_IB_NF:
+ cs43130->dais[codec_dai->id].dai_invert = SND_SOC_DAIFMT_IB_NF;
+ break;
+ case SND_SOC_DAIFMT_NB_IF:
+ cs43130->dais[codec_dai->id].dai_invert = SND_SOC_DAIFMT_NB_IF;
+ break;
+ case SND_SOC_DAIFMT_IB_IF:
+ cs43130->dais[codec_dai->id].dai_invert = SND_SOC_DAIFMT_IB_IF;
+ break;
+ default:
+ dev_err(cs43130->dev, "Unsupported invert mode 0x%x\n",
+ fmt & SND_SOC_DAIFMT_INV_MASK);
+ return -EINVAL;
+ }
+
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
cs43130->dais[codec_dai->id].dai_format = SND_SOC_DAIFMT_I2S;
diff --git a/sound/soc/codecs/cs43130.h b/sound/soc/codecs/cs43130.h
index 694286b78d03..dbdb5b262f1b 100644
--- a/sound/soc/codecs/cs43130.h
+++ b/sound/soc/codecs/cs43130.h
@@ -497,6 +497,7 @@ struct cs43130_dai {
unsigned int sclk;
unsigned int dai_format;
unsigned int dai_mode;
+ unsigned int dai_invert;
};

struct cs43130_private {
--
2.34.1