ASoC: Handle read failures in codec_reg

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When a device is powered down volatile registers can't be read so
attempts to display codec_reg will show error values, and obviously
it is also possible for there to be hardware errors too. Check for
errors from reads and display them more clearly when formatting
codec_reg.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>

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Mark Brown 2010-07-14 16:14:33 +01:00

parent 03b0dc02cf

commit 5164d74d74

1 changed files with 17 additions and 5 deletions

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sound/soc/soc-core.c

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