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Unverified Commit 60fb4be5 authored by Andrew F. Davis's avatar Andrew F. Davis Committed by Mark Brown
Browse files

ASoC: tlv320aic32x4: Use snd_soc_update_bits() in aic32x4_set_dai_fmt() 



Make the code easier to read by using snd_soc_update_bits() over
read/modify/write sequences.

Signed-off-by: default avatarAndrew F. Davis <afd@ti.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 64aab899

sound/soc/codecs/tlv320aic32x4.c

+13 −15
Original line number Diff line number Diff line
@@ -614,16 +614,9 @@ static int aic32x4_set_dai_sysclk(struct snd_soc_dai *codec_dai, 
static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt)

{

	struct snd_soc_codec *codec = codec_dai->codec;

	u8 iface_reg_1;

	u8 iface_reg_2;

	u8 iface_reg_3;



	iface_reg_1 = snd_soc_read(codec, AIC32X4_IFACE1);

	iface_reg_1 = iface_reg_1 & ~(3 << 6 | 3 << 2);

	iface_reg_2 = snd_soc_read(codec, AIC32X4_IFACE2);

	iface_reg_2 = 0;

	iface_reg_3 = snd_soc_read(codec, AIC32X4_IFACE3);

	iface_reg_3 = iface_reg_3 & ~(1 << 3);

	u8 iface_reg_1 = 0;

	u8 iface_reg_2 = 0;

	u8 iface_reg_3 = 0;



	/* set master/slave audio interface */

	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
@@ -643,13 +636,13 @@ static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 
	case SND_SOC_DAIFMT_DSP_A:

		iface_reg_1 |= (AIC32X4_DSP_MODE <<

				AIC32X4_IFACE1_DATATYPE_SHIFT);

		iface_reg_3 |= (1 << 3); /* invert bit clock */

		iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */

		iface_reg_2 = 0x01; /* add offset 1 */

		break;

	case SND_SOC_DAIFMT_DSP_B:

		iface_reg_1 |= (AIC32X4_DSP_MODE <<

				AIC32X4_IFACE1_DATATYPE_SHIFT);

		iface_reg_3 |= (1 << 3); /* invert bit clock */

		iface_reg_3 |= AIC32X4_BCLKINV_MASK; /* invert bit clock */

		break;

	case SND_SOC_DAIFMT_RIGHT_J:

		iface_reg_1 |= (AIC32X4_RIGHT_JUSTIFIED_MODE <<
@@ -664,9 +657,14 @@ static int aic32x4_set_dai_fmt(struct snd_soc_dai *codec_dai, unsigned int fmt) 
		return -EINVAL;

	}



	snd_soc_write(codec, AIC32X4_IFACE1, iface_reg_1);

	snd_soc_write(codec, AIC32X4_IFACE2, iface_reg_2);

	snd_soc_write(codec, AIC32X4_IFACE3, iface_reg_3);

	snd_soc_update_bits(codec, AIC32X4_IFACE1,

			    AIC32X4_IFACE1_DATATYPE_MASK |

			    AIC32X4_IFACE1_MASTER_MASK, iface_reg_1);

	snd_soc_update_bits(codec, AIC32X4_IFACE2,

			    AIC32X4_DATA_OFFSET_MASK, iface_reg_2);

	snd_soc_update_bits(codec, AIC32X4_IFACE3,

			    AIC32X4_BCLKINV_MASK, iface_reg_3);



	return 0;

}