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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>
This commit is contained in:
Peter Ujfalusi 2010-04-23 10:09:59 +03:00 committed by Liam Girdwood
parent 55abb59c9a
commit 4260393e71
1 changed files with 6 additions and 5 deletions
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11
sound/soc/codecs/tlv320dac33.c
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@ -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;