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| author | Mark Brown <broonie@kernel.org> | 2015-03-04 21:42:38 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-03-04 21:42:38 +0100 |
| commit | 9d22fd3ca7dba0027a3f121d0ba525f65f8b13fb (patch) | |
| tree | 9dcd15024165d6aeeb39b8a3747a4fd6d85e5839 /sound | |
| parent | Merge remote-tracking branch 'asoc/fix/cirrus' into asoc-linus (diff) | |
| parent | ASoC: fsl_ssi: Fix the incorrect limitation of the bit clock rate (diff) | |
| download | linux-9d22fd3ca7dba0027a3f121d0ba525f65f8b13fb.tar.xz linux-9d22fd3ca7dba0027a3f121d0ba525f65f8b13fb.zip | |
Merge remote-tracking branch 'asoc/fix/fsl-ssi' into asoc-linus
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/soc/fsl/fsl_ssi.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/sound/soc/fsl/fsl_ssi.c b/sound/soc/fsl/fsl_ssi.c index 2595611e8a6d..b9fabbf69db6 100644 --- a/sound/soc/fsl/fsl_ssi.c +++ b/sound/soc/fsl/fsl_ssi.c @@ -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); |