On Wed, 07 Jun 2017 10:38:24 +0200, Takashi Sakamoto wrote: > > On Ju 7 2017 17:09, Takashi Iwai wrote: > >>>> The second field represents id of each rule applied to the runtime, and > >>>> the total number of rules added to the runtime. Basically, when the rule > >>>> is applied to the runtime, these events are probed, but lines with id 0 > >>>> are exceptions. They're application of constraints to the runtime. > >>>> > >>>> The third field is name of parameter in the runtime. The rest fields > >>>> depends on type of the parameter (mask/interval). > >>>> > >>>> > >>>> In ALSA PCM core, runtimes get 22 (or 21) rules as a default. In a below > >>>> sample, the 21st rule is added by driver (snd-soc-imx-ssi.ko). The rest is > >>>> added by snd-pcm.ko. In detail, please see 'snd_pcm_hw_constraints_init()' > >>>> and 'snd_pcm_hw_constraints_complete()' in 'sound/core/pcm_native.c'. > >>>> > >>>> hw_interval_param: 0,0,0,0 019/023 PERIOD_TIME 0 0 [0 4294967295] 0 0 (166 4095875] > >>>> hw_interval_param: 0,0,0,0 020/023 BUFFER_TIME 0 0 [0 4294967295] 0 0 (333 4096000] > >>>> hw_interval_param: 0,0,0,0 021/023 PERIOD_SIZE 0 1 [16 32767] 0 1 [16 32766] > >>>> hw_interval_param: 0,0,0,0 022/023 BUFFER_BYTES 0 1 [128 65536] 0 1 [128 65536] > >>>> hw_interval_param: 0,0,0,0 023/023 RATE 0 0 [8000 96000] 0 0 [8000 96000] > >>>> hw_mask_param: 0,0,0,0 001/023 FORMAT 00000000000000000000001000000044 00000000000000000000001000000044 > >>> > >>> Could you add these explanations in Documentation? The cover letter > >>> is gone at merging. > >> > >> Hm. Could I postpone the task for my later work in this development > >> period? Text writing takes me a bit time, but I have patches for the > >> rest of my RFC and firewire stack. > > > > It's fine if you can promise to submit the document patch in this > > development cycle :) > > I promise. Good to hear, I merged your three patches now. Thanks! Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
