Thank you Icenowy. Turns out It's actually a alsa setting problem. Solve this problem by these steps: $ alsamixer $ F4 $ turn on capture related switch
在 2017年4月25日星期二 UTC+8下午11:50:58，Icenowy Zheng写道： > > > > 于 2017年4月25日 GMT+08:00 上午10:43:30, [email protected] <javascript:> 写到: > >Hey guys. > >I'm using these source for Nanoi-NEO2: > >https://github.com/friendlyarm/linux > >branch:sunxi-4.11.y-devel > ><https://github.com/friendlyarm/linux/tree/sunxi-4.11.y-devel> > >Basically it forks from Icenowy zheng's github. > > > >Here's my problem: > >I'm testing H5 internal codec.I'm able to play wav by: > >$ aplay test.wav > >However I failed to test recording by: > >$ arecord -f cd -d 5 test.wav > > > > > >Recording WAVE 'test.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, > > > >Stereo > >arecord: pcm_read:2032: read error: Input/output error > > Could you try to run > ``` > amixer -c 0 cset numid=12 2 > ``` > before recording? > > > > >strace info: > >ioctl(4, SNDRV_PCM_IOCTL_READI_FRAMES > >, 0xffffcfcf1170) = -1 EIO (Input/output error) > > > >dmesg info: > >capture write error (DMA or IRQ trouble?) > > > >fisr time to use google group. Let me know if I've missed sth > >important. > -- You received this message because you are subscribed to the Google Groups "linux-sunxi" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
