ASoC: Don't use DCS_DATAPATH_BUSY for WM hubs devices

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The DCS_DATAPATH_BUSY bit used to monitor the completion of DC servo
operations has been deprecated and with some more recente revisions
may perform incorrectly, especially when only analogue bypass paths
are in use. Switch to using readback from the DC servo command
register instead, which is supported for all devices. Without this
unacceptably long timeouts may be observed in some circumstances.

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

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Mark Brown 2010-03-29 17:18:41 +01:00

parent ae9d8607fe

commit 4dcc93d0ed

1 changed files with 15 additions and 23 deletions

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sound/soc/codecs/wm_hubs.c

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