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ASoC: sgtl5000: Improve the error message on slave mode setting

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For sgtl5000 to operate in slave mode it can only work in "Synchronous
SYS_MCLK input" mode.

In this mode only the following rates can be supported: 256*Fs, 384*Fs, 512*Fs.

Improve the error message to give a better indication as to why the clocking
failed for slave mode:

[   12.515399] sgtl5000 1-000a: PLL not supported in slave mode
[   12.524124] sgtl5000 1-000a: 233 ratio is not supported. SYS_MCLK needs to be 256, 384 or 512 * fs
[   12.535938] sgtl5000 1-000a: ASoC: can't set sgtl5000 hw params: -22

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Fabio Estevam 2014-10-02 16:16:50 -03:00 committed by Mark Brown
parent 7d1311b93e
commit fa558d0130
1 changed files with 3 additions and 0 deletions
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3
sound/soc/codecs/sgtl5000.c
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@ -626,6 +626,9 @@ static int sgtl5000_set_clock(struct snd_soc_codec *codec, int frame_rate)
} else {
dev_err(codec->dev,
"PLL not supported in slave mode\n");
dev_err(codec->dev, "%d ratio is not supported. "
"SYS_MCLK needs to be 256, 384 or 512 * fs\n",
sgtl5000->sysclk / sys_fs);
return -EINVAL;
}
}