Re: [PATCH 5/6] dt-bindings: tlv320adcx140: Add slot programming property
From: Mark Brown
Date: Thu Sep 17 2020 - 12:00:17 EST
On Thu, Sep 17, 2020 at 10:15:27AM -0500, Dan Murphy wrote:
> On 9/17/20 8:02 AM, Mark Brown wrote:
> > This is something I'd expect to be done by the machine driver rather
> > than in the CODEC specific DT bindings, and apart from anything else
> Customers need the ability to not transmit on a TDM slot, since another
> device could be using the slot.
TDM is not an issue, we already have the set_tdm_slot() API. The issue
is how you're configuring it.
> The dai-tdm-slot-num would be a good candidate to add to the sound card to
> define the slot number but it's definition is "Number of slots in use." So
> it is not really setting the needed slot.
> I am not finding any good way to assign specific slots to specific channels.
If the generic features are not sufficent then please extend the generic
features rather than bodging around them in individual drivers.
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