snd_ctl_make_virtual_master9
Create a virtual master control
Usage
struct snd_kcontrol * snd_ctl_make_virtual_master(char * name, const unsigned int * tlv);
Arguments
name
name string of the control element to create
tlv
optional TLV int array for dB information
Overview
Creates a virtual master control with the given name string.
After creating a vmaster element, you can add the slave controls via snd_ctl_add_slave or snd_ctl_add_slave_uncached.
The optional argument tlv can be used to specify the TLV information for dB scale of the master control. It should be a single element with #SNDRV_CTL_TLVT_DB_SCALE, #SNDRV_CTL_TLV_DB_MINMAX or #SNDRV_CTL_TLVT_DB_MINMAX_MUTE type, and should be the max 0dB.
Return
The created control element, or NULL for errors (ENOMEM).
Releases
4 releases since Debian 6.0 (Squeeze); the text changed 3 times.