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