[alsa-devel] alsactl adds volume controls?

[Clemens Ladisch]

Colin Guthrie wrote:
> What is odd about this tho', is that the flag for min is mute (0x10000)
> is checked on tlv[3] which is also used here for the "max" value.

SND_CTL_TLVT_DB_SCALE uses a flag in tlv[3] to indicate min-is-mute, but
SND_CTL_TLVT_DB_MINMAX has a variant SND_CTL_TLVT_DB_MINMAX_MUTE.
(The HDA driver uses DB_SCALE).

> +       if (db_gain <= min) {
>                 *value = rangemin;
> +               if (xdir > 0 && (tlv[3] & 0x10000) && db_gain > SND_CTL_TLV_DB_GAIN_MUTE)
> +                       *value = rangemin + 1;

This should go at the same place in the SND_CTL_TLVT_DB_SCALE branch.


Regards,
Clemens