Re: [PATCH] ASoC: cpcap: Implement set_tdm_slot for voice call support

[Mark Brown]

On Tue, Feb 18, 2020 at 06:06:28PM +0100, Sebastian Reichel wrote:

> simple-graph-card is the current machine driver. We might have to
> introduce a Droid 4 specific driver instead. I used simple(-graph)-card
> instead of introducing a new driver, since the setup was simple enough
> without modem and bluetooth. The simple card was perfect to test the CPCAP
> codec driver. The TDM things might be complex enough to create
> a new machine driver (as I mentioned in the original patchset
> adding CPCAP codec support).

I tend to agree here, phones are generally one of the most complicated
classes of system for clocking and interconnects and the CODECs they use
often the most complex too so they're really stretching the generic
cards.  It'd be nice to be able to handle things with generic cards but
it's likely you'll run into issues that it'd be unreasonable to force
you to address for system enablement.  OTOH if you manage to get one of
the generic cards working well that'd be excellent!

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