[alsa-devel] ioctl request code for specific alsa control

Clemens Ladisch clemens at ladisch.de
Thu May 15 09:28:23 CEST 2008


Peter Wurmsdobler wrote:
> What ioctl request code would I have to pass in order to reach this
> control's put/get methods?

snd_ctl_elem_write() (alsa-lib/src/control/control.c)
snd_ctl_hw_elem_write() (alsa-lib/src/control/control_hw.c)
ioctl(SNDRV_CTL_IOCTL_ELEM_WRITE)
snd_ctl_ioctl() (linux/sound/core/control.c)
snd_ctl_elem_write_user()
snd_ctl_elem_write()
kctl->put()


HTH
Clemens


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