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ASoC: core: Fix check before defaulting to regmap
Check if the chip has provided a write operation (which is mandatory for I/O) rather than looking for control data as some of the MFDs use a global for this. Also skip the attempt if there's no regmap available by device in case things get confused by the attempt to default. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Tested-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
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@ -1096,7 +1096,7 @@ static int soc_probe_codec(struct snd_soc_card *card,
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}
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/* If the driver didn't set I/O up try regmap */
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if (!codec->control_data)
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if (!codec->write && dev_get_regmap(codec->dev, NULL))
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snd_soc_codec_set_cache_io(codec, 0, 0, SND_SOC_REGMAP);
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if (driver->controls)
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