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ASoC: ab8500-codec: Set rx dai slots from rx_mask

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Replace hard coded rx slot numbers from ab8500_codec_set_dai_tdm_slot
using the ones requested by the machine driver in rx_mask instead.

Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Fabio Baltieri 2013-05-21 12:04:09 +02:00 committed by Mark Brown
parent 4510dbe324
commit da33d723bc
2 changed files with 35 additions and 29 deletions
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29
sound/soc/codecs/ab8500-codec.c
View file

@ -2334,25 +2334,36 @@ static int ab8500_codec_set_dai_tdm_slot(struct snd_soc_dai *dai,
}
/* Setup TDM AD according to active RX-slots */
if (rx_mask & ~0xff)
return -EINVAL;
rx_mask = rx_mask << AB8500_AD_DATA0_OFFSET;
slots_active = hweight32(rx_mask);
dev_dbg(dai->codec->dev, "%s: Slots, active, RX: %d\n", __func__,
slots_active);
switch (slots_active) {
case 0:
break;
case 1:
/* AD_OUT3 -> slot 0 & 1 */
snd_soc_update_bits(codec, AB8500_ADSLOTSEL1, AB8500_MASK_ALL,
AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN |
AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_ODD);
slot = find_first_bit((unsigned long *)&rx_mask, 32);
snd_soc_update_bits(codec, AB8500_ADSLOTSEL(slot),
AB8500_MASK_SLOT(slot),
AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT3, slot));
break;
case 2:
/* AD_OUT3 -> slot 0, AD_OUT2 -> slot 1 */
slot = find_first_bit((unsigned long *)&rx_mask, 32);
snd_soc_update_bits(codec,
AB8500_ADSLOTSEL1,
AB8500_MASK_ALL,
AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN |
AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_ODD);
AB8500_ADSLOTSEL(slot),
AB8500_MASK_SLOT(slot),
AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT3, slot));
slot = find_next_bit((unsigned long *)&rx_mask, 32, slot + 1);
snd_soc_update_bits(codec,
AB8500_ADSLOTSEL(slot),
AB8500_MASK_SLOT(slot),
AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(AB8500_AD_OUT2, slot));
break;
case 8:
dev_dbg(dai->codec->dev,

35
sound/soc/codecs/ab8500-codec.h
View file

@ -80,6 +80,7 @@
#define AB8500_ADSLOTSEL14 0x2C
#define AB8500_ADSLOTSEL15 0x2D
#define AB8500_ADSLOTSEL16 0x2E
#define AB8500_ADSLOTSEL(slot) (AB8500_ADSLOTSEL1 + (slot >> 1))
#define AB8500_ADSLOTHIZCTRL1 0x2F
#define AB8500_ADSLOTHIZCTRL2 0x30
#define AB8500_ADSLOTHIZCTRL3 0x31
@ -151,6 +152,7 @@
#define AB8500_CACHEREGNUM (AB8500_LAST_REG + 1)
#define AB8500_MASK_ALL 0xFF
#define AB8500_MASK_SLOT(slot) ((slot & 1) ? 0xF0 : 0x0F)
#define AB8500_MASK_NONE 0x00
/* AB8500_POWERUP */
@ -354,28 +356,21 @@
#define AB8500_DIGIFCONF4_IF1WL0 0
/* AB8500_ADSLOTSELX */
#define AB8500_ADSLOTSELX_AD_OUT1_TO_SLOT_ODD 0x00
#define AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_ODD 0x10
#define AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_ODD 0x20
#define AB8500_ADSLOTSELX_AD_OUT4_TO_SLOT_ODD 0x30
#define AB8500_ADSLOTSELX_AD_OUT5_TO_SLOT_ODD 0x40
#define AB8500_ADSLOTSELX_AD_OUT6_TO_SLOT_ODD 0x50
#define AB8500_ADSLOTSELX_AD_OUT7_TO_SLOT_ODD 0x60
#define AB8500_ADSLOTSELX_AD_OUT8_TO_SLOT_ODD 0x70
#define AB8500_ADSLOTSELX_ZEROES_TO_SLOT_ODD 0x80
#define AB8500_ADSLOTSELX_TRISTATE_TO_SLOT_ODD 0xF0
#define AB8500_ADSLOTSELX_AD_OUT1_TO_SLOT_EVEN 0x00
#define AB8500_ADSLOTSELX_AD_OUT2_TO_SLOT_EVEN 0x01
#define AB8500_ADSLOTSELX_AD_OUT3_TO_SLOT_EVEN 0x02
#define AB8500_ADSLOTSELX_AD_OUT4_TO_SLOT_EVEN 0x03
#define AB8500_ADSLOTSELX_AD_OUT5_TO_SLOT_EVEN 0x04
#define AB8500_ADSLOTSELX_AD_OUT6_TO_SLOT_EVEN 0x05
#define AB8500_ADSLOTSELX_AD_OUT7_TO_SLOT_EVEN 0x06
#define AB8500_ADSLOTSELX_AD_OUT8_TO_SLOT_EVEN 0x07
#define AB8500_ADSLOTSELX_ZEROES_TO_SLOT_EVEN 0x08
#define AB8500_ADSLOTSELX_TRISTATE_TO_SLOT_EVEN 0x0F
#define AB8500_AD_OUT1 0x0
#define AB8500_AD_OUT2 0x1
#define AB8500_AD_OUT3 0x2
#define AB8500_AD_OUT4 0x3
#define AB8500_AD_OUT5 0x4
#define AB8500_AD_OUT6 0x5
#define AB8500_AD_OUT7 0x6
#define AB8500_AD_OUT8 0x7
#define AB8500_ZEROES 0x8
#define AB8500_TRISTATE 0xF
#define AB8500_ADSLOTSELX_EVEN_SHIFT 0
#define AB8500_ADSLOTSELX_ODD_SHIFT 4
#define AB8500_ADSLOTSELX_AD_OUT_TO_SLOT(out, slot) \
((out) << (((slot) & 1) ? \
AB8500_ADSLOTSELX_ODD_SHIFT : AB8500_ADSLOTSELX_EVEN_SHIFT))
/* AB8500_ADSLOTHIZCTRL1 */
/* AB8500_ADSLOTHIZCTRL2 */