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Commit b56bff43 authored by oder_chiou@realtek.com's avatar oder_chiou@realtek.com Committed by Mark Brown
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ASoC: rt5514: reset dma_offset at hw_params 



dma_offset needs reset every time otherwise for consecutive PCM
open the last dma_offset value will cause incorrect pointer position
be reported to user space.

Signed-off-by: default avatarHsin-Yu Chao <hychao@chromium.org>
Signed-off-by: default avatarOder Chiou <oder_chiou@realtek.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 818010da

sound/soc/codecs/rt5514-spi.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -151,7 +151,6 @@ static irqreturn_t rt5514_spi_irq(int irq, void *data) 
	u8 buf[8];

	u8 buf[8];





	rt5514_dsp->get_size = 0;

	rt5514_dsp->get_size = 0;

	rt5514_dsp->dma_offset = 0;





	/**

	/**

	 * The address area x1800XXXX is the register address, and it cannot

	 * The address area x1800XXXX is the register address, and it cannot
@@ -205,6 +204,7 @@ static int rt5514_spi_hw_params(struct snd_pcm_substream *substream, 
	ret = snd_pcm_lib_alloc_vmalloc_buffer(substream,

	ret = snd_pcm_lib_alloc_vmalloc_buffer(substream,

			params_buffer_bytes(hw_params));

			params_buffer_bytes(hw_params));

	rt5514_dsp->substream = substream;

	rt5514_dsp->substream = substream;

	rt5514_dsp->dma_offset = 0;

	mutex_unlock(&rt5514_dsp->dma_lock);

	mutex_unlock(&rt5514_dsp->dma_lock);





	return ret;

	return ret;