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ASoC: rsnd: fixup SND_SOC_DAIFMT_xB_xF behavior 

In current R-Car rsnd driver,
the SND_SOC_DAIFMT_xB_xF flags are used to HW default behavior,
but, it should be used to specific format.
The waveforms of LEFT_J/RIGHT_J format with
SND_SOC_DAIFMT_NB_NF flag will be
started from "falling edge" without this patch.
But, it should be started from "rising edge".

Reported-by: Jun Watanabe <jun.watanabe.ue@renesas.com>
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Kuninori Morimoto 2014-07-31 18:08:18 -07:00 committed by Mark Brown
parent 7c63f3c02f
commit 1a7889ca8a
1 changed files with 22 additions and 21 deletions
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43
sound/soc/sh/rcar/core.c
View File

@ -624,40 +624,41 @@ static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
return -EINVAL;
}
/* set clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_IF:
rdai->bit_clk_inv = 0;
rdai->frm_clk_inv = 1;
break;
case SND_SOC_DAIFMT_IB_NF:
rdai->bit_clk_inv = 1;
rdai->frm_clk_inv = 0;
break;
case SND_SOC_DAIFMT_IB_IF:
rdai->bit_clk_inv = 1;
rdai->frm_clk_inv = 1;
break;
case SND_SOC_DAIFMT_NB_NF:
default:
rdai->bit_clk_inv = 0;
rdai->frm_clk_inv = 0;
break;
}
/* set format */
switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {
case SND_SOC_DAIFMT_I2S:
rdai->sys_delay = 0;
rdai->data_alignment = 0;
rdai->frm_clk_inv = 0;
break;
case SND_SOC_DAIFMT_LEFT_J:
rdai->sys_delay = 1;
rdai->data_alignment = 0;
rdai->frm_clk_inv = 1;
break;
case SND_SOC_DAIFMT_RIGHT_J:
rdai->sys_delay = 1;
rdai->data_alignment = 1;
rdai->frm_clk_inv = 1;
break;
}
/* set clock inversion */
switch (fmt & SND_SOC_DAIFMT_INV_MASK) {
case SND_SOC_DAIFMT_NB_IF:
rdai->bit_clk_inv = rdai->bit_clk_inv;
rdai->frm_clk_inv = !rdai->frm_clk_inv;
break;
case SND_SOC_DAIFMT_IB_NF:
rdai->bit_clk_inv = !rdai->bit_clk_inv;
rdai->frm_clk_inv = rdai->frm_clk_inv;
break;
case SND_SOC_DAIFMT_IB_IF:
rdai->bit_clk_inv = !rdai->bit_clk_inv;
rdai->frm_clk_inv = !rdai->frm_clk_inv;
break;
case SND_SOC_DAIFMT_NB_NF:
default:
break;
}