Re: [PATCH 2/3] ASoC: OMAP4: Add support for McPDM

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On Fri, Dec 18, 2009 at 11:51:30AM +0100, ext Mark Brown wrote:
>On Thu, Dec 17, 2009 at 10:28:21PM +0200, Felipe Balbi wrote:
>> On Thu, Dec 17, 2009 at 08:40:32PM +0100, ext Candelaria Villareal, Jorge wrote:
>
>> >+config SND_OMAP_SOC_MCPDM
>> >+       tristate
>
>> look at how SND_OMAP_SOC_N810 is done, can't you follow that ? put some
>> description ad help ?
>
>This is fine - DAI drivers should be selected by machine drivers rather
>than by users since they are useless without the machine drivers.  This
>means that they shouldn't have a description.
>
>> >+EXPORT_SYMBOL(omap_mcpdm_start);
>> >+EXPORT_SYMBOL(omap_mcpdm_stop);
>> >+EXPORT_SYMBOL(omap_mcpdm_set_uplink);
>> >+EXPORT_SYMBOL(omap_mcpdm_set_downlink);
>> >+EXPORT_SYMBOL(omap_mcpdm_clr_uplink);
>> >+EXPORT_SYMBOL(omap_mcpdm_clr_downlink);
>> >+EXPORT_SYMBOL(omap_mcpdm_request);
>> >+EXPORT_SYMBOL(omap_mcpdm_free);
>
>> way too many exported symbols, no ? Doesn't ALSA API have proper place
>> for this kind of stuff ? I'd need ALSA experts to reply to that but it
>> does smell funny...
>
>With the McBSP these things are all exported because the McBSP isn't
>just used by ALSA, I beleive, but a PDM interface is probably only ever
>going to be used by audio.

thanks for the explanation :-)

-- 
balbi
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