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ALSA: usb-audio: Fix comment 

Explained by Takashi in <s5hfwbtmz0q.wl%tiwai@suse.de>

> The reason is because get_min_max*() isn't called in the place you
> created these controls, and get_min_max() would be called only for
> integer volumes later even if uninitialized.  A short cut for booleans.

Signed-off-by: Mark Hills <mark@pogo.org.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mark Hills 2012-05-11 18:31:55 +01:00 committed by Takashi Iwai
parent 0910c216f7
commit 7df4a691fb
1 changed files with 2 additions and 10 deletions
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12
sound/usb/mixer_quirks.c
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@ -79,16 +79,8 @@ static int snd_create_std_mono_ctl(struct usb_mixer_interface *mixer,
cval->control = control;
cval->cmask = cmask;
/* FIXME: Do we need this?
* The following values are for compatibility with
* Ebox-44 mixer.
* But the corresponding ebox-44 function says:
* "Volume controls will override these values"
*
* These values don't have any effect at all for
* M-Audio FTUs.
* So I think, we can safely omit the range settings here.
*/
/* get_min_max() is called only for integer volumes later,
* so provide a short-cut for booleans */
cval->min = 0;
cval->max = 1;
cval->res = 0;