table of contents
other versions
- wheezy 3.2.78-1
SND_CTL_MAKE_VIRTUAL(9) | Control/Mixer API | SND_CTL_MAKE_VIRTUAL(9) |
NAME¶
snd_ctl_make_virtual_master - Create a virtual master controlSYNOPSIS¶
struct
snd_kcontrol *
snd_ctl_make_virtual_master(char * name,
const unsigned int * tlv);
ARGUMENTS¶
namename string of the control element to
create
tlv
optional TLV int array for dB
information
DESCRIPTION¶
Creates a virtual matster control with the given name string. Returns the created control element, or NULL for errors (ENOMEM). 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.COPYRIGHT¶
March 2016 | Kernel Hackers Manual 3.2. |