Re: Audio support on OMAP 3430LDP or 4430SDP boards

[Russell King - ARM Linux <linux@arm.linux.org.uk>]

On Fri, Apr 27, 2012 at 09:14:23PM +0300, Ujfalusi, Peter wrote:
> On Fri, Apr 27, 2012 at 8:19 PM, Russell King - ARM Linux
> <linux@arm.linux.org.uk> wrote:
> > root@omap-4430sdp:~# lsmod
> > Module                  Size  Used by
> > snd_soc_dmic            1492  0
> > snd_soc_omap4_hdmi      1724  0
> > snd_soc_omap_hdmi       1536  0
> > snd_soc_omap_abe_twl6040     4867  0
> > snd_soc_omap_dmic       4248  0
> > snd_soc_omap_mcpdm      3077  1 snd_soc_omap_abe_twl6040
> > snd_soc_omap            2987  0
> > snd_soc_twl6040        18601  1 snd_soc_omap_abe_twl6040
> > root@omap-4430sdp:~# cat /proc/asound/cards
> > --- no soundcards ---
> > root@omap-4430sdp:~# grep . /sys/kernel/debug/asoc/*
> > /sys/kernel/debug/asoc/codecs:dmic-codec
> > /sys/kernel/debug/asoc/codecs:snd-soc-dummy
> > /sys/kernel/debug/asoc/codecs:omapdss_hdmi
> 
> the twl6040 codec is missing.
> 
> > /sys/kernel/debug/asoc/dais:dmic-hifi
> > /sys/kernel/debug/asoc/dais:omap-dmic
> > /sys/kernel/debug/asoc/dais:omap-mcpdm
> > /sys/kernel/debug/asoc/dais:snd-soc-dummy-dai
> > /sys/kernel/debug/asoc/dais:hdmi-audio-codec
> 
> as well the dai for the twl6040.
> 
> > /sys/kernel/debug/asoc/platforms:omap-pcm-audio
> > /sys/kernel/debug/asoc/platforms:snd-soc-dummy
> >
> > So the answer is... no.
> 
> Hrm.
> I don't think you can build the twl6040 MFD core driver as a module.
> Do you have CONFIG_TWL6040_CORE=y ?
> We have MFD for twl6040 since it provides audio and vibra functionality as well.

CONFIG_TWL6040_CORE=y

> Can you check if you have this commit:
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux.git;a=commit;h=8eaeb9393397be8eb700ab38a69c450975463b77

I don't have that in the branch I'm building because I started the
DMA engine work against v3.4-rc3.

> This is the second patch to separate the twl6040 from twl-core.
> If you are missing this patch twl6040 will not probe (twl core will
> not register the audio if we have twl6030).

So it sounds like if I rebase stuff forward to -rc4, it should start
working?
--
To unsubscribe from this list: send the line "unsubscribe linux-omap" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html