On Wed, Jan 15, 2014 at 07:18:31PM +0100, Jean-Francois Moine wrote: > The main problem is about sysclk: when there is no clock in the DT, > you get the clock of the CPU or CODEC DAI. In my system, two clocks > are declared in the controller CPU DAI, but there is no .set_sysclk > pointer. So, snd_soc_dai_set_sysclk() returns -EINVAL and the card is > not created.
set_sysclk() should be returning -ENOTSUPP in this case as with set_fmt() and the generic code then ignoring that error. > As I don't know why you need these fmt and sysclk, may you have a > look at these problems? The overwhelming majority of combinations of devices need a format specifying (usually one will be imposed by the system design even if both devices could be master).
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