The cpu_dai_drv is only used for symmetric_rates. So this patch replaces it with a synchronous boolean flag.
Signed-off-by: Nicolin Chen nicoleotsuka@gmail.com --- sound/soc/fsl/fsl_ssi.c | 32 ++++++++++++++++---------------- 1 file changed, 16 insertions(+), 16 deletions(-)
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 898f837..7d6149d 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -208,11 +208,11 @@ struct fsl_ssi_soc_data { * * @regs: Pointer to the regmap registers * @irq: IRQ of this SSI - * @cpu_dai_drv: CPU DAI driver for this device * * @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 @@ -253,11 +253,11 @@ struct fsl_ssi_soc_data { struct fsl_ssi { struct regmap *regs; int irq; - struct snd_soc_dai_driver cpu_dai_drv;
unsigned int dai_fmt; u8 streams; u8 i2s_net; + bool synchronous; bool use_dma; bool use_dual_fifo; bool has_ipg_clk_name; @@ -663,7 +663,6 @@ 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); @@ -671,6 +670,7 @@ 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) @@ -749,7 +749,7 @@ 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) { @@ -797,7 +797,7 @@ 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)) { @@ -829,7 +829,7 @@ 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; @@ -954,7 +954,7 @@ 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; } @@ -1352,6 +1352,7 @@ static void fsl_ssi_imx_clean(struct platform_device *pdev, struct fsl_ssi *ssi)
static int fsl_ssi_probe(struct platform_device *pdev) { + struct snd_soc_dai_driver *cpu_dai_drv; struct fsl_ssi *ssi; int ret = 0; struct device_node *np = pdev->dev.of_node; @@ -1386,14 +1387,12 @@ static int fsl_ssi_probe(struct platform_device *pdev) ssi->use_dma = !of_property_read_bool(np, "fsl,fiq-stream-filter");
if (fsl_ssi_is_ac97(ssi)) { - memcpy(&ssi->cpu_dai_drv, &fsl_ssi_ac97_dai, - sizeof(fsl_ssi_ac97_dai)); + cpu_dai_drv = &fsl_ssi_ac97_dai; fsl_ac97_data = ssi; } else { - memcpy(&ssi->cpu_dai_drv, &fsl_ssi_dai_template, - sizeof(fsl_ssi_dai_template)); + cpu_dai_drv = &fsl_ssi_dai_template; } - ssi->cpu_dai_drv.name = dev_name(dev); + cpu_dai_drv->name = dev_name(dev);
res = platform_get_resource(pdev, IORESOURCE_MEM, 0); iomem = devm_ioremap_resource(dev, res); @@ -1431,11 +1430,12 @@ static int fsl_ssi_probe(struct platform_device *pdev) /* Set software limitations for synchronous mode */ if (!of_find_property(np, "fsl,ssi-asynchronous", NULL)) { if (!fsl_ssi_is_ac97(ssi)) { - ssi->cpu_dai_drv.symmetric_rates = 1; - ssi->cpu_dai_drv.symmetric_samplebits = 1; + cpu_dai_drv->symmetric_rates = 1; + cpu_dai_drv->symmetric_samplebits = 1; + ssi->synchronous = true; }
- ssi->cpu_dai_drv.symmetric_channels = 1; + cpu_dai_drv->symmetric_channels = 1; }
/* Fetch FIFO depth; Set to 8 for older DT without this property */ @@ -1490,7 +1490,7 @@ static int fsl_ssi_probe(struct platform_device *pdev) }
ret = devm_snd_soc_register_component(dev, &fsl_ssi_component, - &ssi->cpu_dai_drv, 1); + cpu_dai_drv, 1); if (ret) { dev_err(dev, "failed to register DAI: %d\n", ret); goto error_asoc_register;