diff options
Diffstat (limited to 'sound/soc/fsl/fsl_ssi.c')
-rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 21 |
1 files changed, 12 insertions, 9 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 059496ed9ad7..b9fabbf69db6 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -160,7 +160,7 @@ struct fsl_ssi_soc_data { */ struct fsl_ssi_private { struct regmap *regs; - unsigned int irq; + int irq; struct snd_soc_dai_driver cpu_dai_drv; unsigned int dai_fmt; @@ -603,10 +603,6 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, factor = (div2 + 1) * (7 * psr + 1) * 2; for (i = 0; i < 255; i++) { - /* The bclk rate must be smaller than 1/5 sysclk rate */ - if (factor * (i + 1) < 5) - continue; - tmprate = freq * factor * (i + 2); if (baudclk_is_used) @@ -614,6 +610,13 @@ static int fsl_ssi_set_bclk(struct snd_pcm_substream *substream, else clkrate = clk_round_rate(ssi_private->baudclk, tmprate); + /* + * Hardware limitation: The bclk rate must be + * never greater than 1/5 IPG clock rate + */ + if (clkrate * 5 > clk_get_rate(ssi_private->clk)) + continue; + clkrate /= factor; afreq = clkrate / (i + 1); @@ -992,8 +995,8 @@ static int fsl_ssi_set_dai_tdm_slot(struct snd_soc_dai *cpu_dai, u32 tx_mask, regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN, CCSR_SSI_SCR_SSIEN); - regmap_write(regs, CCSR_SSI_STMSK, tx_mask); - regmap_write(regs, CCSR_SSI_SRMSK, rx_mask); + regmap_write(regs, CCSR_SSI_STMSK, ~tx_mask); + regmap_write(regs, CCSR_SSI_SRMSK, ~rx_mask); regmap_update_bits(regs, CCSR_SSI_SCR, CCSR_SSI_SCR_SSIEN, val); @@ -1362,8 +1365,8 @@ static int fsl_ssi_probe(struct platform_device *pdev) } ssi_private->irq = platform_get_irq(pdev, 0); - if (ssi_private->irq < 0) { - dev_err(&pdev->dev, "no irq for node %s\n", np->full_name); + if (!ssi_private->irq) { + dev_err(&pdev->dev, "no irq for node %s\n", pdev->name); return ssi_private->irq; } |