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Another fix - switch behaviour

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This commit is contained in:
Jaroslav Kysela 2001-07-30 09:58:32 +00:00
parent a978b49127
commit 7e6906d056
1 changed files with 20 additions and 1 deletions
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21
src/mixer/simple.c
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@ -442,6 +442,22 @@ static int elem_write_switch(selem_t *s, int dir, selem_ctl_type_t type)
return 0;
}
static int elem_write_switch_constant(selem_t *s, selem_ctl_type_t type, int val)
{
snd_ctl_elem_value_t ctl;
unsigned int idx;
int err;
selem_ctl_t *c = &s->ctls[type];
memset(&ctl, 0, sizeof(ctl));
if ((err = snd_hctl_elem_read(c->elem, &ctl)) < 0)
return err;
for (idx = 0; idx < c->values; idx++)
ctl.value.integer.value[idx] = !!val;
if ((err = snd_hctl_elem_write(c->elem, &ctl)) < 0)
return err;
return 0;
}
static int elem_write_route(selem_t *s, int dir, selem_ctl_type_t type)
{
snd_ctl_elem_value_t ctl;
@ -483,7 +499,10 @@ static int selem_write(snd_mixer_elem_t *elem)
return err;
}
if (s->ctls[CTL_GLOBAL_SWITCH].elem) {
err = elem_write_switch(s, PLAY, CTL_GLOBAL_SWITCH);
if (s->ctls[CTL_PLAYBACK_SWITCH].elem && s->ctls[CTL_CAPTURE_SWITCH].elem)
err = elem_write_switch_constant(s, CTL_GLOBAL_SWITCH, 1);
else
err = elem_write_switch(s, PLAY, CTL_GLOBAL_SWITCH);
if (err < 0)
return err;
}