Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 5cd15e29 authored by Sascha Hauer's avatar Sascha Hauer Committed by Mark Brown
Browse files

ASoC: ak4642: Add support for extended sysclk frequencies of the ak4648 



Additionally to the ak4642 pll frequencies the ak4648 also supports 13MHz,
19.2MHz and 26MHz. This adds support for these frequencies.

Signed-off-by: default avatarSascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent d815c703

sound/soc/codecs/ak4642.c

+20 −0
Original line number Diff line number Diff line
@@ -136,6 +136,7 @@ 


struct ak4642_drvdata {

	const struct regmap_config *regmap_config;

	int extended_frequencies;

};



struct ak4642_priv {
@@ -297,7 +298,9 @@ static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai, 
	int clk_id, unsigned int freq, int dir)

{

	struct snd_soc_codec *codec = codec_dai->codec;

	struct ak4642_priv *priv = snd_soc_codec_get_drvdata(codec);

	u8 pll;

	int extended_freq = 0;



	switch (freq) {

	case 11289600:
@@ -318,9 +321,25 @@ static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai, 
	case 27000000:

		pll = PLL3 | PLL2 | PLL0;

		break;

	case 19200000:

		pll = PLL3;

		extended_freq = 1;

		break;

	case 13000000:

		pll = PLL3 | PLL2 | PLL1;

		extended_freq = 1;

		break;

	case 26000000:

		pll = PLL3 | PLL2 | PLL1 | PLL0;

		extended_freq = 1;

		break;

	default:

		return -EINVAL;

	}



	if (extended_freq && !priv->drvdata->extended_frequencies)

		return -EINVAL;



	snd_soc_update_bits(codec, MD_CTL1, PLL_MASK, pll);



	return 0;
@@ -525,6 +544,7 @@ static const struct ak4642_drvdata ak4643_drvdata = { 


static const struct ak4642_drvdata ak4648_drvdata = {

	.regmap_config = &ak4648_regmap,

	.extended_frequencies = 1,

};



static struct of_device_id ak4642_of_match[];