diff options
| author | William Lai <b04597@freescale.com> | 2009-06-30 16:30:13 +0800 |
|---|---|---|
| committer | Justin Waters <justin.waters@timesys.com> | 2009-10-13 11:04:22 -0400 |
| commit | 17984758820b3e6cc4ae22b3e695093eef8237a0 (patch) | |
| tree | d25f152e88df2ff90bf98ccccebd9d83897643d4 /sound | |
| parent | 4788ca1d40c85cd0e11efd40990c76b7781110aa (diff) | |
ENGR00113676 ESAI: Cann't support playing Mono file
1. The original ESAI driver treats the mono data as stereo,
and it seems playing fater than normal speed, and the
sound is not correct either.
2. Correctly set the Slot Mask Register to disable the undesired
slot, and get the mono output.
Signed-off-by: William Lai <b04597@freescale.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/imx/imx-3stack-wm8580.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/sound/soc/imx/imx-3stack-wm8580.c b/sound/soc/imx/imx-3stack-wm8580.c index 5c09fa27a964..29f61a884fc8 100644 --- a/sound/soc/imx/imx-3stack-wm8580.c +++ b/sound/soc/imx/imx-3stack-wm8580.c @@ -127,6 +127,7 @@ static int imx_3stack_surround_hw_params(struct snd_pcm_substream *substream, unsigned int rate = params_rate(params); u32 dai_format; unsigned int pll_out = 0, lrclk_ratio = 0; + unsigned int channel = params_channels(params); if (clk_state.lr_clk_active > 1) return 0; @@ -134,7 +135,6 @@ static int imx_3stack_surround_hw_params(struct snd_pcm_substream *substream, #if defined(CONFIG_MXC_ASRC) || defined(CONFIG_MXC_ASRC_MODULE) if (asrc_esai_data.output_sample_rate != 0) { unsigned int asrc_input_rate = rate; - unsigned int channel = params_channels(params); struct mxc_runtime_data *pcm_data = substream->runtime->private_data; struct asrc_config config; @@ -235,7 +235,7 @@ static int imx_3stack_surround_hw_params(struct snd_pcm_substream *substream, snd_soc_dai_set_fmt(cpu_dai, dai_format); /* set i.MX active slot mask */ - snd_soc_dai_set_tdm_slot(cpu_dai, 0xffffffff, 32); + snd_soc_dai_set_tdm_slot(cpu_dai, channel == 1 ? 0x1 : 0x3, 2); /* set the ESAI system clock as input (unused) */ snd_soc_dai_set_sysclk(cpu_dai, 0, 0, SND_SOC_CLOCK_IN); |