> -----Original Message----- > From: Mark Brown <broonie@xxxxxxxxxx> > Sent: Tuesday, 4 August, 2020 7:50 PM > To: Sit, Michael Wei Hong <michael.wei.hong.sit@xxxxxxxxx> > Cc: alsa-devel@xxxxxxxxxxxxxxxx; tiwai@xxxxxxxx; pierre- > louis.bossart@xxxxxxxxxxxxxxx; Rojewski, Cezary > <cezary.rojewski@xxxxxxxxx>; Shevchenko, Andriy > <andriy.shevchenko@xxxxxxxxx>; liam.r.girdwood@xxxxxxxxxxxxxxx; > Sia, Jee Heng <jee.heng.sia@xxxxxxxxx> > Subject: Re: [PATCH 4/4] dt-bindings: sound: intel,keembay-i2s: Add > channel-max property > > On Tue, Aug 04, 2020 at 01:57:23AM +0000, Sit, Michael Wei Hong > wrote: > > > > > 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). > > > The 2 different I2S ports are from the same SoC which supports > > different number of channels, do we need different compatible > strings for this? > > Considering the only difference is the maximum supported > channels is 8 and 2? > > Are you *sure* that's the only difference, or is that just the only > difference you know about right now? Yes, I am fairy sure that is the only difference according to the design, as per the platform use case.
