Stuart Longland wrote:
> /* ADC PGA gain volumes. From 0 to 59.5 dB in 0.5 dB steps */
> static DECLARE_TLV_DB_MINMAX(adc_tlv, 0, 0);
The comment is wrong, this control goes from 0 to 0 dB.
> SOC_DOUBLE_R_TLV("PCM Playback Volume",
> AIC3204_LDACVOL, AIC3204_RDACVOL,
> 0, 127, 0, dac_tlv),
>
> However; it treats the bitfield as unsigned, which is wrong in this
> case. The bitfield is a signed integer in two's complement format. How
> do I convince ALSA that these integers have a sign bit?
ALSA's controls use signed values, it's the SOC_ macros that assume
bitfields. You should be able to define a control with your own
callbacks like in a non-ASoC driver.
Regards,
Clemens
_______________________________________________
Alsa-devel mailing list
Alsa-devel@xxxxxxxxxxxxxxxx
http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
