#linux-rockchip on 2021-12-23 — irc logs at libera.irclog.whitequark.org

2021-06-29 16:00 ChanServ changed the topic of #linux-rockchip to: Rockchip development discussion

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11:05 <mriesch> CounterPillow: is it a good time to ask some questions about i2s on rk356x?

11:19 <CounterPillow> mriesch: in a car on phone for the next 3 hours but I can try

11:19 <mriesch> CounterPillow: but you are not the driver, are you? ;-)

11:20 <CounterPillow> Hopefully not, I never got a driver's license :D

11:22 <mriesch> ok :-) i am trying to capture audio with i2s3_2ch. this should work with the mainline i2s_tdm driver, right?

11:23 <CounterPillow> I've honestly never tried, but yes theoretically it should work

11:24 <CounterPillow> It does register capture PCMs if the rx dma is present

11:26 <mriesch> so far it seems to work in the sense that i can use alsasrc in a gstreamer pipeline

11:26 <mriesch> one tiny drawback, though: there is no sound signal

11:27 <CounterPillow> Is it unmuted in alsamixer?

11:28 <mriesch> hm, alsamixer is not installed in my distro... i can check that, though

11:31 <mriesch> another thing: i think your patches added a pinctrl to the dtsi for i2s1_8ch. isn't that a bit unusual?

11:32 <mriesch> the board.dts files can still overwrite that, right?

11:33 <CounterPillow> They can, yes

11:33 <CounterPillow> Dunno if that's unusual, was my first contribution

11:34 <mriesch> ok, grepping tells me it is not unusual.

11:35 <mriesch> do you plan to put i2s{2,3} into operation in near future? playback and/or capture?

11:37 <CounterPillow> No plans as of right now since I don't have a board to test it on, at least I don't think Quartz64 breaks them out

11:39 <mriesch> ok... i'll play around a bit more then. thanks and have a good trip

11:40 <CounterPillow> Thanks

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