Forgot to mention-
Only omap hsmmc driver is using regulator_set_mode() which will call
twlreg_set_mode().
> -----Original Message-----
> From: Lesly Arackal Manuel [mailto:[email protected]]
> Sent: Thursday, November 04, 2010 3:01 PM
> To: 'Nayak, Rajendra'; 'Liam Girdwood'
> Cc: 'Axel Lin'; 'linux-kernel'; 'Juha Keski-Saari'; 'Mark Brown'
> Subject: RE: [PATCH] regulator: twl-regulator - fix twlreg_set_mode
>
>
> I have tested it with MMC card inserted on OMAP3630SDP board (using OMAP3
> integration tree).
>
> The changes seem to be valid.
>
> The i2c_transfer() returns '1' on success and the twl_i2c_write() which
> calls i2c_transfer returns '0' if success and err value if it fails.
>
> After writing the MSB if it returns with check:
> if (status >= 0)
> return status;
> It is not writing the LSB.
>
> So it should be:
> if (status < 0)
> return status;
>
> Regards,
> Lesly AM
>
> > -----Original Message-----
> > From: Nayak, Rajendra [mailto:[email protected]]
> > Sent: Tuesday, October 26, 2010 3:40 PM
> > To: Liam Girdwood
> > Cc: Axel Lin; linux-kernel; Juha Keski-Saari; Mark Brown; Manuel, Lesly
> > Arackal
> > Subject: RE: [PATCH] regulator: twl-regulator - fix twlreg_set_mode
> >
> >
> >
> > > -----Original Message-----
> > > From: Liam Girdwood [mailto:[email protected]]
> > > Sent: Saturday, October 23, 2010 7:17 PM
> > > To: Nayak, Rajendra
> > > Cc: Axel Lin; linux-kernel; Juha Keski-Saari; Mark Brown
> > > Subject: Re: [PATCH] regulator: twl-regulator - fix twlreg_set_mode
> > >
> > > On Fri, 2010-10-22 at 08:30 -0700, Mark Brown wrote:
> > > > On Fri, Oct 22, 2010 at 04:38:22PM +0800, Axel Lin wrote:
> > > > > The Singular Message is 16 bits:
> > > > > DEV_GRP[15:13] MT[12] RES_ID[11:4] RES_STATE[3:0]
> > > > >
> > > > > Current implementation return immedially after sucessfuly write
> MSB
> > part.
> > > > > To properly set mode, we need to write the complete message ( MSB
> > and LSB ).
> > > > >
> > > > > In twl.h, now we have defines for PM Master module register
> offsets,
> > > > > use it instead of hard coded 0x15/0x16.
> > > > >
> > > > > Use "message & 0xff" to ensure we send correct value for LSB.
> > > > >
> > > > > Signed-off-by: Axel Lin <[email protected]>
> > > >
> > > > Acked-by: Mark Brown <[email protected]>
> > > >
> > > > > I don't have this hardware handy, I appreciate if someone who has
> > the
> > > > > hardware can test this patch.
> > > >
> > > > I beleive Liam has appropriate hardware.
> > >
> > > Rejendra, care to test this ?
> >
> > Sure, either me or Lesly will test this on one of the twl4030 based
> > platforms
> > and update.
> >
> > >
> > > Thanks
> > >
> > > Liam
> > > --
> > > Freelance Developer, SlimLogic Ltd
> > > ASoC and Voltage Regulator Maintainer.
> > > http://www.slimlogic.co.uk
On Thu, 2010-11-04 at 15:08 +0530, Lesly Arackal Manuel wrote:
> Forgot to mention-
>
> Only omap hsmmc driver is using regulator_set_mode() which will call
> twlreg_set_mode().
>
> > -----Original Message-----
> > From: Lesly Arackal Manuel [mailto:[email protected]]
> > Sent: Thursday, November 04, 2010 3:01 PM
> > To: 'Nayak, Rajendra'; 'Liam Girdwood'
> > Cc: 'Axel Lin'; 'linux-kernel'; 'Juha Keski-Saari'; 'Mark Brown'
> > Subject: RE: [PATCH] regulator: twl-regulator - fix twlreg_set_mode
> >
> >
> > I have tested it with MMC card inserted on OMAP3630SDP board (using OMAP3
> > integration tree).
> >
> > The changes seem to be valid.
> >
> > The i2c_transfer() returns '1' on success and the twl_i2c_write() which
> > calls i2c_transfer returns '0' if success and err value if it fails.
> >
> > After writing the MSB if it returns with check:
> > if (status >= 0)
> > return status;
> > It is not writing the LSB.
> >
> > So it should be:
> > if (status < 0)
> > return status;
> >
> > Regards,
> > Lesly AM
> >
Applied.
Thanks
Liam
--
Freelance Developer, SlimLogic Ltd
ASoC and Voltage Regulator Maintainer.
http://www.slimlogic.co.uk