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Commit 188edc59 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Mark Brown
Browse files

ASoC: davinci-mcasp: Support for DSP_A format 



DSP_A is like DSP_B mode but with one bit delay after the FS.

Signed-off-by: default avatarPeter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: default avatarMark Brown <broonie@linaro.org>
parent 6dfa9a4e

sound/soc/davinci/davinci-mcasp.c

+7 −0
Original line number Diff line number Diff line
@@ -275,6 +275,13 @@ static int davinci_mcasp_set_dai_fmt(struct snd_soc_dai *cpu_dai, 


	pm_runtime_get_sync(mcasp->dev);

	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {

	case SND_SOC_DAIFMT_DSP_A:

		mcasp_clr_bits(mcasp, DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);

		mcasp_clr_bits(mcasp, DAVINCI_MCASP_RXFMCTL_REG, FSRDUR);



		/* 1st data bit occur one ACLK cycle after the frame sync */

		data_delay = 1;

		break;

	case SND_SOC_DAIFMT_DSP_B:

	case SND_SOC_DAIFMT_AC97:

		mcasp_clr_bits(mcasp, DAVINCI_MCASP_TXFMCTL_REG, FSXDUR);