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hcontrol: fix compare_default function to handle also id.device and id.subdevice

Browse source 
In case when kcontrol differs only by device or subdevice numbers, the
find function can give wrong results.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2009-10-06 10:46:54 +02:00
parent 0d81de0bca
commit 0110d62043
1 changed files with 10 additions and 4 deletions
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14
src/control/hcontrol.c
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@ -471,8 +471,9 @@ int snd_hctl_compare_fast(const snd_hctl_elem_t *c1,
static int snd_hctl_compare_default(const snd_hctl_elem_t *c1,
const snd_hctl_elem_t *c2)
{
int res;
int d = c1->id.iface - c2->id.iface;
int res, d;
d = c1->id.iface - c2->id.iface;
if (d != 0)
return d;
if (c1->id.iface == SNDRV_CTL_ELEM_IFACE_MIXER) {
@ -480,11 +481,16 @@ static int snd_hctl_compare_default(const snd_hctl_elem_t *c1,
if (d != 0)
return d;
}
d = c1->id.device - c2->id.device;
if (d != 0)
return d;
d = c1->id.subdevice - c2->id.subdevice;
if (d != 0)
return d;
res = strcmp((const char *)c1->id.name, (const char *)c2->id.name);
if (res != 0)
return res;
d = c1->id.index - c2->id.index;
return d;
return c1->id.index - c2->id.index;
}
/**