GSM-noise "buzz" issue
candy_chou at openmoko.com
Tue Aug 12 13:55:40 CEST 2008
Andy Green 提到:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
> Somebody in the thread at some point said:
> | Joerg,
> | Sorry about the wrong message.According to Len's report today, grounding
> | of pin6 at JK4401 is not work.
> What about grounding pin 4 directly, did it make any change?
> Maybe try this during a buzz call too, it changes preamp1 to use MIC2
> instead of MIC1 in case the buzz leaks in somehow there:
> echo "33 40" > /sys/devices/platform/soc-audio/codec_reg_write
> We are meant to ignore preamp1, just a long shot.
> - -Andy
> -----BEGIN PGP SIGNATURE-----
> Version: GnuPG v1.4.9 (GNU/Linux)
> Comment: Using GnuPG with Fedora - http://enigmail.mozdev.org
> -----END PGP SIGNATURE-----
More information about the hardware