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authorFabio Baltieri <fabio.baltieri@linaro.org>2013-05-21 12:04:08 +0200
committerMark Brown <broonie@opensource.wolfsonmicro.com>2013-05-21 18:35:17 +0200
commitb296263398f08d21e68d5d7b2afc43228c208b71 (patch)
treea94d722f574324112b5674fa02ec073389d61178 /sound/soc/codecs/ab8500-codec.c
parentASoC: mop500: Staticize non exported struct (diff)
downloadlinux-b296263398f08d21e68d5d7b2afc43228c208b71.tar.xz
linux-b296263398f08d21e68d5d7b2afc43228c208b71.zip
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: Fabio Baltieri <fabio.baltieri@linaro.org> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc/codecs/ab8500-codec.c')
-rw-r--r--sound/soc/codecs/ab8500-codec.c31
1 files changed, 19 insertions, 12 deletions
diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index 3126cac7b7c8..bace321a83dd 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/sound/soc/codecs/ab8500-codec.c
@@ -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,