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Unverified Commit c4a71ff7 authored by Oder Chiou's avatar Oder Chiou Committed by Mark Brown
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ASoC: rt5514-spi: Let the buf_size to align with period_bytes 



The patch lets the buf_size to align with period_bytes to prevent the
buffer reading over the real size of the DSP buffer and also avoid to
calculate the wrong size of remaining data.

Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 28aef24d

sound/soc/codecs/rt5514-spi.c

+9 −0
Original line number Diff line number Diff line
@@ -147,8 +147,13 @@ static void rt5514_spi_copy_work(struct work_struct *work) 


static void rt5514_schedule_copy(struct rt5514_dsp *rt5514_dsp)

{

	size_t period_bytes;

	u8 buf[8];



	if (!rt5514_dsp->substream)

		return;



	period_bytes = snd_pcm_lib_period_bytes(rt5514_dsp->substream);

	rt5514_dsp->get_size = 0;



	/**
@@ -176,6 +181,10 @@ static void rt5514_schedule_copy(struct rt5514_dsp *rt5514_dsp) 


	rt5514_dsp->buf_size = rt5514_dsp->buf_limit - rt5514_dsp->buf_base;



	if (rt5514_dsp->buf_size % period_bytes)

		rt5514_dsp->buf_size = (rt5514_dsp->buf_size / period_bytes) *

			period_bytes;



	if (rt5514_dsp->buf_base && rt5514_dsp->buf_limit &&

		rt5514_dsp->buf_rp && rt5514_dsp->buf_size)

		schedule_delayed_work(&rt5514_dsp->copy_work, 0);