On 05/08/15 16:27, Russell King - ARM Linux wrote: > On Fri, May 08, 2015 at 04:16:08PM +0300, Jyri Sarha wrote: >> On 2015-04-02 12:22, Russell King wrote: ... >> For what I can see, you are setting the cross dependency between >> the sample rate and channels incorrectly. > > There is a dependency between sample rate and channels. > >> You should look for the >> currently tested channel count directly from hw params. > > I'm not so sure that's right after looking at > snd_ac97_pcm_double_rate_rules(). > That's pretty much the same problem - AC'97 codecs can operate at a > sample rate of either the bus frame frequency or twice the bus frame > frequency. >
Maybe digging the channels from intervals works too, I have just never used that myself. The param_channels() works too and it is slightly simpler.
