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Commit 3fd5b30c authored by Bo Shen's avatar Bo Shen Committed by Mark Brown
Browse files

ASoC: atmel_ssc_dai: only clean PDC when using PDC 



Only using PDC, it needs to clean PDC registers.

Signed-off-by: default avatarBo Shen <voice.shen@atmel.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent cbaadf0f

sound/soc/atmel/atmel_ssc_dai.c

+11 −9
Original line number Original line Diff line number Diff line
@@ -627,6 +627,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, 
			rcmr, rfmr, tcmr, tfmr);

			rcmr, rfmr, tcmr, tfmr);





	if (!ssc_p->initialized) {

	if (!ssc_p->initialized) {

		if (!ssc_p->ssc->pdata->use_dma) {

			ssc_writel(ssc_p->ssc->regs, PDC_RPR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_RPR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_RCR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_RCR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_RNPR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_RNPR, 0);
@@ -636,6 +637,7 @@ static int atmel_ssc_hw_params(struct snd_pcm_substream *substream, 
			ssc_writel(ssc_p->ssc->regs, PDC_TCR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_TCR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_TNPR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_TNPR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_TNCR, 0);

			ssc_writel(ssc_p->ssc->regs, PDC_TNCR, 0);

		}





		ret = request_irq(ssc_p->ssc->irq, atmel_ssc_interrupt, 0,

		ret = request_irq(ssc_p->ssc->irq, atmel_ssc_interrupt, 0,

				ssc_p->name, ssc_p);

				ssc_p->name, ssc_p);