diff options
| author | Lionel Xu <Lionel.Xu@freescale.com> | 2011-09-26 16:46:00 +0800 |
|---|---|---|
| committer | Jason Liu <r64343@freescale.com> | 2012-01-09 20:23:50 +0800 |
| commit | ac7cb5dac7827514aacb93e402d93610955a6406 (patch) | |
| tree | f2763d43acdd412cc04dd3e0a11cbdd8068000d4 /sound | |
| parent | 78b3afec2c8867c28501b0a9e5e584c6f92c32a7 (diff) | |
ENGR00158176 SGTL5000: I/O Error appeared when recording mono wav through HW
When recording mono wav, SSI's network mode should be closed, or it will
influence the internal freq config, making recording fail.
Signed-off-by: Lionel Xu <Lionel.Xu@freescale.com>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/imx/imx-ssi.c | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/sound/soc/imx/imx-ssi.c b/sound/soc/imx/imx-ssi.c index 203548637b2f..933cde56854b 100644 --- a/sound/soc/imx/imx-ssi.c +++ b/sound/soc/imx/imx-ssi.c @@ -89,14 +89,13 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); u32 strcr = 0, scr; - scr = readl(ssi->base + SSI_SCR) & ~(SSI_SCR_SYN | SSI_SCR_NET); + scr = readl(ssi->base + SSI_SCR) & ~SSI_SCR_SYN; /* DAI mode */ switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) { case SND_SOC_DAIFMT_I2S: /* data on rising edge of bclk, frame low 1clk before data */ strcr |= SSI_STCR_TFSI | SSI_STCR_TEFS | SSI_STCR_TXBIT0; - scr |= SSI_SCR_NET; if (ssi->flags & IMX_SSI_USE_I2S_SLAVE) { scr &= ~SSI_I2S_MODE_MASK; scr |= SSI_SCR_I2S_MODE_SLAVE; @@ -145,8 +144,6 @@ static int imx_ssi_set_dai_fmt(struct snd_soc_dai *cpu_dai, unsigned int fmt) strcr |= SSI_STCR_TFEN0; - if (ssi->flags & IMX_SSI_NET) - scr |= SSI_SCR_NET; if (ssi->flags & IMX_SSI_SYN) scr |= SSI_SCR_SYN; @@ -243,7 +240,8 @@ static int imx_ssi_hw_params(struct snd_pcm_substream *substream, { struct imx_ssi *ssi = snd_soc_dai_get_drvdata(cpu_dai); struct imx_pcm_dma_params *dma_data; - u32 reg, sccr; + u32 reg, sccr, scr; + unsigned int channels = params_channels(params); /* Tx/Rx config */ if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { @@ -276,6 +274,14 @@ static int imx_ssi_hw_params(struct snd_pcm_substream *substream, writel(sccr, ssi->base + reg); + scr = readl(ssi->base + SSI_SCR); + + if (channels == 1) + scr &= ~SSI_SCR_NET; + else + scr |= SSI_SCR_NET; + + writel(scr, ssi->base + SSI_SCR); return 0; } |