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Unverified Commit 471a7ba8 authored by Kuninori Morimoto's avatar Kuninori Morimoto Committed by Mark Brown
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ASoC: pcm3168a: add I2S/Left_J TDM support 



pcm3168a is supporting TDM on I2S/Left_J, but there is no
settings for it. This patch add it.

Signed-off-by: default avatarKuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 594680ea

sound/soc/codecs/pcm3168a.c

+19 −0
Original line number Diff line number Diff line
@@ -33,6 +33,8 @@ 
#define PCM3168A_FMT_RIGHT_J_16		0x3

#define PCM3168A_FMT_DSP_A		0x4

#define PCM3168A_FMT_DSP_B		0x5

#define PCM3168A_FMT_I2S_TDM		0x6

#define PCM3168A_FMT_LEFT_J_TDM		0x7

#define PCM3168A_FMT_DSP_MASK		0x4



#define PCM3168A_NUM_SUPPLIES 6
@@ -401,9 +403,11 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream, 
	bool tx, master_mode;

	u32 val, mask, shift, reg;

	unsigned int rate, fmt, ratio, max_ratio;

	unsigned int chan;

	int i, min_frame_size;



	rate = params_rate(params);

	chan = params_channels(params);



	ratio = pcm3168a->sysclk / rate;
@@ -456,6 +460,21 @@ static int pcm3168a_hw_params(struct snd_pcm_substream *substream, 
		return -EINVAL;

	}



	/* for TDM */

	if (chan > 2) {

		switch (fmt) {

		case PCM3168A_FMT_I2S:

			fmt = PCM3168A_FMT_I2S_TDM;

			break;

		case PCM3168A_FMT_LEFT_J:

			fmt = PCM3168A_FMT_LEFT_J_TDM;

			break;

		default:

			dev_err(component->dev, "TDM is supported under I2S/Left_J only\n");

			return -EINVAL;

		}

	}



	if (master_mode)

		val = ((i + 1) << shift);

	else