ASoC: tlv320dac33: Change magic numbers used in Mode7

Upper and Lower threshold values are used as magic
numbers. Replace them with defines for later use.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@nokia.com>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Liam Girdwood <lrg@slimlogic.co.uk>

diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index b101cbd..fa19942 100644 (file)
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -50,6 +50,9 @@
 
 #define LATENCY_TIME_MS                20
 
+#define MODE7_LTHR             10
+#define MODE7_UTHR             (DAC33_BUFFER_SIZE_SAMPLES - 10)
+
 static struct snd_soc_codec *tlv320dac33_codec;
 
 enum dac33_state {
@@ -567,7 +570,7 @@ static inline void dac33_prefill_handler(struct tlv320dac33_priv *dac33)
                break;
        case DAC33_FIFO_MODE7:
                dac33_write16(codec, DAC33_PREFILL_MSB,
-                               DAC33_THRREG(10));
+                               DAC33_THRREG(MODE7_LTHR));
                break;
        default:
                dev_warn(codec->dev, "Unhandled FIFO mode: %d\n",
@@ -867,10 +870,8 @@ static int dac33_prepare_chip(struct snd_pcm_substream *substream)
                 * Configure the threshold levels, and leave 10 sample space
                 * at the bottom, and also at the top of the FIFO
                 */
-               dac33_write16(codec, DAC33_UTHR_MSB,
-                       DAC33_THRREG(DAC33_BUFFER_SIZE_SAMPLES - 10));
-               dac33_write16(codec, DAC33_LTHR_MSB,
-                       DAC33_THRREG(10));
+               dac33_write16(codec, DAC33_UTHR_MSB, DAC33_THRREG(MODE7_UTHR));
+               dac33_write16(codec, DAC33_LTHR_MSB, DAC33_THRREG(MODE7_LTHR));
                break;
        default:
                break;