ASoC: Add CODEC volatile register operation
authorMark Brown <broonie@opensource.wolfsonmicro.com>
Sun, 5 Jul 2009 14:12:22 +0000 (15:12 +0100)
committerMark Brown <broonie@opensource.wolfsonmicro.com>
Sun, 5 Jul 2009 14:12:22 +0000 (15:12 +0100)
Add a volatile_register() operation to the CODEC structure providing a
standard operation to query if a register is volatile. This will be used
to factor out the register cache I/O operations for the CODECs.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

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