> > > There are some unused registers in twl4030 at I2C address 0x49 and function
> > > twl4030_49_nop_reg() is used to check accessibility of that registers. These
> > > registers are written in decimal format but the values are correct in
> > > hexadecimal format. (It can be checked few lines above the patched code -
> > > these registers are marked as unused there.)
> > >
> > > As a consequence three registers of audio submodule are treated as
> > > inaccessible (preamplifier carkit right and both handsfree registers).
> > >
> > > CC: Peter Ujfalusi <peter.ujfalusi@xxxxxx>
> > > Signed-off-by: Tomas Novotny <tomas@xxxxxxxxxx>
> > > ---
> > > drivers/mfd/twl-core.c | 10 +++++-----
> > > 1 file changed, 5 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/drivers/mfd/twl-core.c b/drivers/mfd/twl-core.c
> > > index ed71832..e87140b 100644
> > > --- a/drivers/mfd/twl-core.c
> > > +++ b/drivers/mfd/twl-core.c
> > > @@ -282,11 +282,11 @@ static struct reg_default twl4030_49_defaults[] = {
> > > static bool twl4030_49_nop_reg(struct device *dev, unsigned int reg)
> > > {
> > > switch (reg) {
> > > - case 0:
> > > - case 3:
> > > - case 40:
> > > - case 41:
> > > - case 42:
> > > + case 0x00:
> > > + case 0x03:
> > > + case 0x40:
> > > + case 0x41:
> > > + case 0x42:
> >
> > Uhm, I can not be that @#$%^& that I did this... I have no idea how I left out
> > the "0x"
> >
> > Thanks for spotting it!
> >
> > Acked-by Peter Ujfalusi <peter.ujfalusi@xxxxxx>
>
> Peter, if this does not make it to the -rc series, care to send this to
> the stable for inclusion after it hits mainline?
>
> This fixes twl4030 audio regression at least on boards using HandsfreeL
> for audio.
I think it's a little late in the cycle to send this to the -rcs.
Stable will be Cc'ed however.
--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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