[alsa-devel] [PATCH 2/3] ASoC: DaVinci: pcm, rename variables in prep for ping/pong

[Troy Kisky]

David Brownell wrote:
> On Monday 31 August 2009, Troy Kisky wrote:
>> -       int master_lch;         /* Master DMA channel */
>> -       int slave_lch;          /* linked parameter RAM reload slot */
>> +       int asp_master_lch;     /* Master DMA channel */
>> +       int asp_link_lch[2];    /* asp parameter link channel, ping/pong */
> 
> If you're going to rename things, may I suggest getting
> rid of "lch" ... use either "channel" or "link", since
> those are the two basic hardware roles in EDMA.
> 
> The original "lch" ("logical channel") terminology was
> an IMO misguded attempt to hide the distinction between
> channels and links.  But links can not be used when a
> channel is required, so that attempt was doomed to fail.
> (Channels could double as links, but as a rule that's
> not done since they're relatively scarce.)
> 
> - Dave
> 
> 
> 
I agree, but can that be a separate patch...