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Commit b2962633 authored by Fabio Baltieri's avatar Fabio Baltieri Committed by Mark Brown
Browse files

ASoC: ab8500-codec: Set tx dai slots from tx_mask 



Replace hard-coded tx slot numbers from ab8500_codec_set_dai_tdm_slot
using the ones requested by the machine driver in tx_mask instead.

Signed-off-by: default avatarFabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: default avatarMark Brown <broonie@opensource.wolfsonmicro.com>
parent aba1e2be

sound/soc/codecs/ab8500-codec.c

+19 −12
Original line number Diff line number Diff line
@@ -2236,7 +2236,7 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai, 
		int slots, int slot_width)

{

	struct snd_soc_codec *codec = dai->codec;

	unsigned int val, mask, slots_active;

	unsigned int val, mask, slot, slots_active;



	mask = BIT(AB8500_DIGIFCONF2_IF0WL0) |

		BIT(AB8500_DIGIFCONF2_IF0WL1);
@@ -2292,27 +2292,34 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai, 
	snd_soc_update_bits(codec, AB8500_DIGIFCONF1, mask, val);



	/* Setup TDM DA according to active tx slots */



	if (tx_mask & ~0xff)

		return -EINVAL;



	mask = AB8500_DASLOTCONFX_SLTODAX_MASK;

	tx_mask = tx_mask << AB8500_DA_DATA0_OFFSET;

	slots_active = hweight32(tx_mask);



	dev_dbg(dai->codec->dev, "%s: Slots, active, TX: %d\n", __func__,

		slots_active);



	switch (slots_active) {

	case 0:

		break;

	case 1:

		/* Slot 9 -> DA_IN1 & DA_IN3 */

		snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, 11);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, 11);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, 11);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, 11);

		slot = find_first_bit((unsigned long *)&tx_mask, 32);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, slot);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, slot);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, slot);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, slot);

		break;

	case 2:

		/* Slot 9 -> DA_IN1 & DA_IN3, Slot 11 -> DA_IN2 & DA_IN4 */

		snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, 9);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, 9);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, 11);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, 11);



		slot = find_first_bit((unsigned long *)&tx_mask, 32);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF1, mask, slot);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF3, mask, slot);

		slot = find_next_bit((unsigned long *)&tx_mask, 32, slot + 1);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF2, mask, slot);

		snd_soc_update_bits(codec, AB8500_DASLOTCONF4, mask, slot);

		break;

	case 8:

		dev_dbg(dai->codec->dev,

sound/soc/codecs/ab8500-codec.h

+7 −0
Original line number Diff line number Diff line
@@ -24,6 +24,13 @@ 
#define AB8500_SUPPORTED_RATE			(SNDRV_PCM_RATE_48000)

#define AB8500_SUPPORTED_FMT			(SNDRV_PCM_FMTBIT_S16_LE)



/* AB8500 interface slot offset definitions */



#define AB8500_AD_DATA0_OFFSET	0

#define AB8500_DA_DATA0_OFFSET	8

#define AB8500_AD_DATA1_OFFSET	16

#define AB8500_DA_DATA1_OFFSET	24



/* AB8500 audio bank (0x0d) register definitions */



#define AB8500_POWERUP				0x00