Commit 0643ce8f authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
Browse files

ASoC: ak4642: Add set_fmt function for snd_soc_dai_ops 



Signed-off-by: default avatarKuninori Morimoto <morimoto.kuninori@renesas.com>
Acked-by: default avatarLiam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent 4b6316b4

sound/soc/codecs/ak4642.c

+45 −24
Original line number Diff line number Diff line
@@ -80,6 +80,17 @@ 


#define AK4642_CACHEREGNUM 	0x25



/* PW_MGMT2 */

#define HPMTN		(1 << 6)

#define PMHPL		(1 << 5)

#define PMHPR		(1 << 4)

#define MS		(1 << 3) /* master/slave select */

#define MCKO		(1 << 1)

#define PMPLL		(1 << 0)



#define PMHP_MASK	(PMHPL | PMHPR)

#define PMHP		PMHP_MASK



/* MD_CTL1 */

#define PLL3		(1 << 7)

#define PLL2		(1 << 6)
@@ -87,6 +98,9 @@ 
#define PLL0		(1 << 4)

#define PLL_MASK	(PLL3 | PLL2 | PLL1 | PLL0)



#define BCKO_MASK	(1 << 3)

#define BCKO_64		BCKO_MASK



struct snd_soc_codec_device soc_codec_dev_ak4642;



/* codec private data */
@@ -188,9 +202,6 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, 
		 *

		 * This operation came from example code of

		 * "ASAHI KASEI AK4642" (japanese) manual p97.

		 *

		 * Example code use 0x39, 0x79 value for 0x01 address,

		 * But we need MCKO (0x02) bit now

		 */

		ak4642_write(codec, 0x05, 0x27);

		ak4642_write(codec, 0x0f, 0x09);
@@ -200,8 +211,8 @@ static int ak4642_dai_startup(struct snd_pcm_substream *substream, 
		ak4642_write(codec, 0x0a, 0x28);

		ak4642_write(codec, 0x0d, 0x28);

		ak4642_write(codec, 0x00, 0x64);

		ak4642_write(codec, 0x01, 0x3b); /* + MCKO bit */

		ak4642_write(codec, 0x01, 0x7b); /* + MCKO bit */

		snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK,	PMHP);

		snd_soc_update_bits(codec, PW_MGMT2, HPMTN,	HPMTN);

	} else {

		/*

		 * start stereo input
@@ -238,8 +249,8 @@ static void ak4642_dai_shutdown(struct snd_pcm_substream *substream, 


	if (is_play) {

		/* stop headphone output */

		ak4642_write(codec, 0x01, 0x3b);

		ak4642_write(codec, 0x01, 0x0b);

		snd_soc_update_bits(codec, PW_MGMT2, HPMTN,	0);

		snd_soc_update_bits(codec, PW_MGMT2, PMHP_MASK,	0);

		ak4642_write(codec, 0x00, 0x40);

		ak4642_write(codec, 0x0e, 0x11);

		ak4642_write(codec, 0x0f, 0x08);
@@ -284,10 +295,37 @@ static int ak4642_dai_set_sysclk(struct snd_soc_dai *codec_dai, 
	return 0;

}



static int ak4642_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)

{

	struct snd_soc_codec *codec = dai->codec;

	u8 data;

	u8 bcko;



	data = MCKO | PMPLL; /* use MCKO */

	bcko = 0;



	/* set master/slave audio interface */

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {

	case SND_SOC_DAIFMT_CBM_CFM:

		data |= MS;

		bcko = BCKO_64;

		break;

	case SND_SOC_DAIFMT_CBS_CFS:

		break;

	default:

		return -EINVAL;

	}

	snd_soc_update_bits(codec, PW_MGMT2, MS, data);

	snd_soc_update_bits(codec, MD_CTL1, BCKO_MASK, bcko);



	return 0;

}



static struct snd_soc_dai_ops ak4642_dai_ops = {

	.startup	= ak4642_dai_startup,

	.shutdown	= ak4642_dai_shutdown,

	.set_sysclk	= ak4642_dai_set_sysclk,

	.set_fmt	= ak4642_dai_set_fmt,

};



struct snd_soc_dai ak4642_dai = {
@@ -366,23 +404,6 @@ static int ak4642_init(struct ak4642_priv *ak4642) 
		goto reg_cache_err;

	}



	/*

	 * clock setting

	 *

	 * Audio I/F Format: MSB justified (ADC & DAC)

	 * BICK frequency at Master Mode: 64fs

	 * MCKO: Enable

	 * Sampling Frequency: 44.1kHz

	 *

	 * This operation came from example code of

	 * "ASAHI KASEI AK4642" (japanese) manual p89.

	 *

	 * please fix-me

	 */

	ak4642_write(codec, 0x01, 0x08);

	ak4642_write(codec, 0x05, 0x27);

	ak4642_write(codec, 0x04, 0x0a);



	return ret;



reg_cache_err:

sound/soc/sh/fsi-ak4642.c

+4 −0
Original line number Diff line number Diff line
@@ -26,6 +26,10 @@ static int fsi_ak4642_dai_init(struct snd_soc_codec *codec) 
{

	int ret;



	ret = snd_soc_dai_set_fmt(&ak4642_dai, SND_SOC_DAIFMT_CBM_CFM);

	if (ret < 0)

		return ret;



	ret = snd_soc_dai_set_sysclk(&ak4642_dai, 0, 11289600, 0);



	return ret;