[alsa-devel] [PATCH v3] ASoC CS4270 codec device driver
Takashi Iwai
tiwai at suse.de
Tue Jul 31 18:17:33 CEST 2007
At Tue, 31 Jul 2007 11:12:44 -0500,
Timur Tabi wrote:
>
> Takashi Iwai wrote:
> > At Tue, 31 Jul 2007 10:46:52 -0500,
> > Timur Tabi wrote:
> >> This patch adds ALSA SoC support for the Cirrus Logic CS4270 codec. The
> >> following features are suppored:
> >>
> >> 1) Stand-alone and software mode
> >> 2) Software mode via I2C only
> >> 3) Master mode, not Slave
> >> 4) No power management
> >>
> >> Signed-off-by: Timur Tabi <timur at freescale.com>
> >
> > Thanks, it can be now applied fine.
> >
> > The only thing I noticed is below (oh I should have mentioned it
> > before...):
> >
> >> diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
> >> index e5fb437..7824880 100644
> >> --- a/sound/soc/codecs/Kconfig
> >> +++ b/sound/soc/codecs/Kconfig
> >> @@ -17,3 +17,23 @@ config SND_SOC_WM8753
> >> config SND_SOC_WM9712
> >> tristate
> >> depends on SND_SOC
> >> +
> >> +# Cirrus Logic CS4270 Codec
> >> +config SND_SOC_CS4270
> >> + tristate
> >> + depends on SND_SOC
> >> +
> >> +# Cirrus Logic CS4270 Codec Hardware Mute Support
> >> +# Select if you have external muting circuitry attached to your CS4270.
> >> +config SND_SOC_CS4270_HWMUTE
> >> + bool
> >> + depends on SND_SOC_CS4270
> >> +
> >> +# Cirrus Logic CS4270 Codec VD = 3.3V Errata
> >> +# Select if you are affected by the errata where the part will not function
> >> +# if MCLK divide-by-1.5 is selected and VD is set to 3.3V. The driver will
> >> +# not select any sample rates that require MCLK to be divided by 1.5.
> >> +config SND_SOC_CS4270_VD33_ERRATA
> >> + bool
> >> + depends on SND_SOC_CS4270
> >> +
> >
> > I'd suggest to convert these comments to help texts.
> > Also, usually the items to be chosen via menuconfig have
> > tristate "XXXX"
> > or
> > bool "XXX"
> >
> > Could you fix them, then I'll finally merge it to upstream?
>
> I am following the model of the other Kconfig options. If I add the "XXXX" and the help
> text, then they become selectable from "make menuconfig", but they would be the only ones
> to show up like that.
>
> I think the reason why they are like this is because they're supposed to be selected from
> the machine driver that uses them, like this:
Doh, I see, these are codecs only for reverse selections.
Sorry for confusion. Then I'll merge it as it is.
Takashi
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