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

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>

1 files changed, 20 insertions, 9 deletions

diff --git a/sound/soc/codecs/ab8500-codec.c b/sound/soc/codecs/ab8500-codec.c
index bace321a83dd..4ca45b9d9625 100644
--- a/sound/soc/codecs/ab8500-codec.c
+++ b/sound/soc/codecs/ab8500-codec.c
@@ -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_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_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_OUT2, slot));
                 break;
         case 8:
                 dev_dbg(dai->codec->dev,