On Thu, Mar 01, 2018 at 03:22:16PM +0100, Ladislav Michl wrote: > what is exact meaning of SNDRV_PCM_RATE_CONTINUOUS? What if codec is > able to set "any" rate, but there are rounding errors? > Shall we pick exact matches based on master clock frequency? > Few other drivers are also setting SNDRV_PCM_RATE_CONTINUOUS, but > certainly cannot set any rate exactly. It means being able to set any rate exactly. Many devices have hardware which is only specified to work at specific rates but some are more flexible. Devices don't need to be able to do this independently, you can have a flexible external clock tree for example.
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