diff options
| author | Nicolin Chen <nicoleotsuka@gmail.com> | 2018-02-13 01:03:23 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2018-02-21 15:30:58 +0300 |
| commit | badc9595bc15686be3b01e3554421647de348df0 (patch) | |
| tree | 931cb28754c396e3e7df399ad74e18264b0019a0 /sound/soc/fsl/fsl_ssi.c | |
| parent | 26b31f4f7d7905f67b6faa52ef147595341134c5 (diff) | |
| download | linux-badc9595bc15686be3b01e3554421647de348df0.tar.xz | |
ASoC: fsl_ssi: Add bool synchronous to mark synchronous mode
Using symmetric_rates in the cpu_dai_drv is a bit implicit,
so this patch adds a bool synchronous instead.
Signed-off-by: Nicolin Chen <nicoleotsuka@gmail.com>
Tested-by: Caleb Crome <caleb@crome.org>
Tested-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Reviewed-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 13 |
1 files changed, 8 insertions, 5 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index ed9102d91cf5..b58fabe77c6f 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -217,6 +217,7 @@ struct fsl_ssi_soc_data { * @dai_fmt: DAI configuration this device is currently used with * @streams: Mask of current active streams: BIT(TX) and BIT(RX) * @i2s_net: I2S and Network mode configurations of SCR register + * @synchronous: Use synchronous mode - both of TX and RX use STCK and SFCK * @use_dma: DMA is used or FIQ with stream filter * @use_dual_fifo: DMA with support for dual FIFO mode * @has_ipg_clk_name: If "ipg" is in the clock name list of device tree @@ -262,6 +263,7 @@ struct fsl_ssi { unsigned int dai_fmt; u8 streams; u8 i2s_net; + bool synchronous; bool use_dma; bool use_dual_fifo; bool has_ipg_clk_name; @@ -673,7 +675,6 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, bool tx2, tx = substream->stream == SNDRV_PCM_STREAM_PLAYBACK; struct fsl_ssi *ssi = snd_soc_dai_get_drvdata(dai); struct regmap *regs = ssi->regs; - int synchronous = ssi->cpu_dai_drv.symmetric_rates, ret; u32 pm = 999, div2, psr, stccr, mask, afreq, factor, i; unsigned long clkrate, baudrate, tmprate; unsigned int slots = params_channels(hw_params); @@ -681,6 +682,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, u64 sub, savesub = 100000; unsigned int freq; bool baudclk_is_used; + int ret; /* Override slots and slot_width if being specifically set... */ if (ssi->slots) @@ -759,7 +761,7 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, mask = SSI_SxCCR_PM_MASK | SSI_SxCCR_DIV2 | SSI_SxCCR_PSR; /* STCCR is used for RX in synchronous mode */ - tx2 = tx || synchronous; + tx2 = tx || ssi->synchronous; regmap_update_bits(regs, REG_SSI_SxCCR(tx2), mask, stccr); if (!baudclk_is_used) { @@ -807,7 +809,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, * that should set separate configurations for STCCR and SRCCR * despite running in the synchronous mode. */ - if (enabled && ssi->cpu_dai_drv.symmetric_rates) + if (enabled && ssi->synchronous) return 0; if (fsl_ssi_is_i2s_master(ssi)) { @@ -839,7 +841,7 @@ static int fsl_ssi_hw_params(struct snd_pcm_substream *substream, } /* In synchronous mode, the SSI uses STCCR for capture */ - tx2 = tx || ssi->cpu_dai_drv.symmetric_rates; + tx2 = tx || ssi->synchronous; regmap_update_bits(regs, REG_SSI_SxCCR(tx2), SSI_SxCCR_WL_MASK, wl); return 0; @@ -968,7 +970,7 @@ static int _fsl_ssi_set_dai_fmt(struct fsl_ssi *ssi, unsigned int fmt) srcr = strcr; /* Set SYN mode and clear RXDIR bit when using SYN or AC97 mode */ - if (ssi->cpu_dai_drv.symmetric_rates || fsl_ssi_is_ac97(ssi)) { + if (ssi->synchronous || fsl_ssi_is_ac97(ssi)) { srcr &= ~SSI_SRCR_RXDIR; scr |= SSI_SCR_SYN; } @@ -1456,6 +1458,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) if (!fsl_ssi_is_ac97(ssi)) { ssi->cpu_dai_drv.symmetric_rates = 1; ssi->cpu_dai_drv.symmetric_samplebits = 1; + ssi->synchronous = true; } ssi->cpu_dai_drv.symmetric_channels = 1; |