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alsactl: skip inactive controls

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When using alsactl to save or restore the card settings, it currently
skips over controls that don't have the appropriate read/write
permissions. It should also skip over inactive controls, otherwise it
will get an error when it tries to access that control, and will fail to
save the card state (or fully restore it.)

From: Dave Dillow <dave@thedillows.org>
This commit is contained in:
Takashi Iwai 2007-12-17 11:49:00 +01:00
parent beecc1419e
commit b0828653c9
1 changed files with 4 additions and 2 deletions
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6
alsactl/state.c
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@ -250,7 +250,8 @@ static int get_control(snd_ctl_t *handle, snd_ctl_elem_id_t *id, snd_config_t *t
return err;
}
if (!snd_ctl_elem_info_is_readable(info))
if (snd_ctl_elem_info_is_inactive(info) ||
!snd_ctl_elem_info_is_readable(info))
return 0;
snd_ctl_elem_value_set_id(ctl, id);
err = snd_ctl_elem_read(handle, ctl);
@ -1306,7 +1307,8 @@ static int set_control(snd_ctl_t *handle, snd_config_t *control)
}
}
if (!snd_ctl_elem_info_is_writable(info))
if (snd_ctl_elem_info_is_inactive(info) ||
!snd_ctl_elem_info_is_writable(info))
return 0;
snd_ctl_elem_value_set_numid(ctl, numid1);