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ASoC: core: Try to use regmap if the driver doesn't set up any I/O

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Since most new drivers are expected to use regmap and since frequently the
only thing we need to do in the CODEC probe function is configure the I/O
try to initialise the register I/O using regmap if the driver hasn't done
so after probe().

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@ti.com>
This commit is contained in:
Mark Brown 2012-06-22 13:04:02 +01:00
parent 081413f206
commit 38cbf9598f
1 changed files with 4 additions and 0 deletions
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4
sound/soc/soc-core.c
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@ -1095,6 +1095,10 @@ static int soc_probe_codec(struct snd_soc_card *card,
}
}
/* If the driver didn't set I/O up try regmap */
if (!codec->control_data)
snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
if (driver->controls)
snd_soc_add_codec_controls(codec, driver->controls,
driver->num_controls);