[alsa-devel] [PATCH RFC 1/1] ASoC: fsl_ssi: Make fifo watermark and maxburst settings device tree options

Timur Tabi timur at tabi.org
Fri Jan 15 14:46:46 CET 2016


Mark Brown wrote:
>> >I admit it's a grey area, but the hardware doesn't work if you use the wrong
>> >value, and it is a fixed value per device.  A p1022ds would use a different
>> >value than in in i.MX6, and once you pick a value, it's the same no matter
>> >which sample rate, buffer size, etc you choose.

> Caleb's original message suggested this was rate dependant.

Yeah, I just noticed that.  In that case, I agree that a device tree 
property is inappropriate, unless it's an array that contains tuples of 
sample rates and watermark/maxburst settings.  That would get unwieldy 
very easily, though.


More information about the Alsa-devel mailing list