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

We continue to allow the AB8500 CODEC to be registered via the AB8500
Multi Functional Device API, only this time we extract its configuration
from the Device Tree binary.
Acked-by: NOla Lilja <ola.o.lilja@stericsson.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NLee Jones <lee.jones@linaro.org>

Since commit 98d3088e (SoC: core: Fix check before defaulting to regmap)
, it is not necessary to provide codec->control_data anymore.
Signed-off-by: NFabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

This will be used to enable additional control of the regulators.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NLiam Girdwood <lrg@ti.com>

There's never any need to cast away from void.
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: NLee Jones <lee.jones@linaro.org>

If codec->control_data is not populated SoC Core assumes we want to
use regmap, which fails catastrophically, as we don't have one:

Unable to handle kernel NULL pointer dereference at virtual address 00000080
pgd = c0004000
[00000080] *pgd=00000000
Internal error: Oops: 17 [#1] PREEMPT SMP ARM
Modules linked in:
CPU: 1    Not tainted  (3.5.0-rc6-00884-g0b2419e-dirty #130)
PC is at regmap_read+0x10/0x5c
LR is at hw_read+0x80/0x90
pc : [<c01a91b8>]    lr : [<c0216804>]    psr: 60000013
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

There is a missing mutex_unlock() here.  The cleanup path also has more
debug output.
Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

GPLv2 -> GPL v2
Reported-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NOla Lilja <ola.o.lilja@stericsson.com>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>

Add codec-driver for ST-Ericsson AB8500 mixed-signal ASIC.
Signed-off-by: NOla Lilja <ola.o.lilja@stericsson.com>
Signed-off-by: NMark Brown <broonie@opensource.wolfsonmicro.com>