SND_AC97_TUNE_HARDWA(9) Control/Mixer API SND_AC97_TUNE_HARDWA(9)NAME
snd_ac97_tune_hardware - tune up the hardware
int snd_ac97_tune_hardware(struct snd_ac97 * ac97, struct ac97_quirk * quirk, const char * override);
the ac97 instance
explicit quirk value (overrides the list if non-NULL)
Do some workaround for each pci device, such as renaming of the headphone (true line-out) control as "Master". The quirk-list must be
terminated with a zero-filled entry.
Zero if successful, or a negative error code on failure.
COPYRIGHT Kernel Hackers Manual 3.10 June 2014 SND_AC97_TUNE_HARDWA(9)
Check Out this Related Man Page
AC97(4) BSD Kernel Interfaces Manual AC97(4)NAME
ac97 -- generic AC97 codec driver
AC97 codecs contain the analog-to-digital (A/D), digital-to-analog (D/A), and mixing circuitry of many modern sound cards. AC97 codecs, for
the most part, do not talk to host busses like the PCI bus directly. Instead, they communicate through an interface chip, called the host
controller. The Ensoniq AudioPCI 97 (see eap(4)) is an example of such a host controller.
Unlike many drivers, the ac97 driver does not appear in the configuration file. Instead, the driver is automatically attached by the drivers
that require it.
SEE ALSO auacer(4), auich(4), auixp(4), autri(4), auvia(4), clcs(4), clct(4), eap(4), emuxki(4), esa(4), esm(4), fms(4), neo(4), yds(4)BUGS
The ac97 driver does not keep track of the current user settings and instead relies on the hardware to do this.
The ac97 driver could do more to detect mixer channels that don't work and cull them from the list.
BSD October 7, 1999 BSD
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