[alsa-devel] [PATCH 3/3] Add ALSA driver for Atmel AC97 controller

Sedji Gaouaou sedji.gaouaou at atmel.com
Wed Feb 4 14:11:38 CET 2009

Hans-Christian Egtvedt a écrit :
>> Actually there are some differences, AT91 does not use a DMA, we use
>> a specific IP(PDC) to transer the data...
> PDC is still DMA ;) I guess AT91 uses the "old" PDC and not PDCA?
I don't know about any PDCA...so yes I guess we are using the old one...
>> Maybe we could share the same code we some #define in it?
> Yes, it should be simple to add an additional #define in kconfig.
> config SND_ATMEL_AC97C_PDC
> 	bool
> 	depends on ARCH_AT91
> And then have some ifdefs/else around the DMA stuff, much like the
> atmel-mci driver does today.
I don't know which solution is the dest: ifdef or as Mark's one...


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