On 01/26/2015 03:20 PM, Peter Ujfalusi wrote: > On 01/18/2015 02:01 PM, Pavel Machek wrote: >> In 2.6.28-nokia, it is neccessary to set "Input select" na "digital >> mic", then it works. Input select being in "playback" option makes it >> easy to miss. >> >> In 3.18 and 3.19-rc3, all I can record are zeros. >> >> Does playback/recording work for you on OMAP 3430-based machines? > > Same codec (tlv320aic3106) works fine on my am335x and omap-l138 boards. > BeagleBoard-xM also fine with twl4030 codec. > > I don't have my n900 in hacking mode (it is still in use time-to-time) but > looking at the dts file: you might want to add ai3x-micbias-vg property to the > aic3x nodes to select the correct mic bias voltage. I can't recall what is > appropriate for n900, but 2.6.28-nokia sources might give you the answer. > No need to go that far. N900 has been supported in mainline since 2.6.39 or so. Part A of AIC34 (which is basically dual AIC33 in a same package) drives 2 V for the digital microphone bias and part B 2.5 V for the headset. Unfortunately I haven't had time recently to try what might have caused that regression after 3.18. -- Jarkko -- To unsubscribe from this list: send the line "unsubscribe linux-omap" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
