On Mon, Aug 03, 2020 at 01:59:10AM +0000, Sit, Michael Wei Hong wrote: > > On Thu, Jul 30, 2020 at 01:53:19PM +0800, Michael Sit Wei Hong wrote: > > > Add a property that configures the interface to the desired max number > > > of capture channels. The platform may have multiple interfaces with > > > different number of capture channels. > > Why? None of the other platforms which support many channels need > > this defining and the constraint code and/or machine driver would > > normally be where this would be handled. > The platform uses the audio-graph-card to create the dai-links, and doesn't use a specific machine driver code. The audio-graph-card is very flexible and if it doesn't support something which it is useful to configure per platform then that's the place to add the extension, not some DAI specific driver. > The platform also has 2 different interfaces which have different supported max-channels. > Using this value in the device-tree to determine the maximum supported channel of the interface. These should have different compatible strings, there are likely further differences between them (even if they are not currently documented). Please fix your mail client to word wrap within paragraphs at something substantially less than 80 columns. Doing this makes your messages much easier to read and reply to.
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