The recent commit to drop the HDA-specific mute-LED control, e65bf99718b5 ("ALSA: HDA - remove the custom implementation for the audio LED trigger"), caused a regression on the mixer element read for "Capture Switch" when it's built from bind controls. The function create_bind_cap_vol_ctl() creates the snd_kcontrol_new object directly via snd_hda_gen_add_kctl() instead of add_control(). Although the commit above added a workaround for the SNDRV_CTL_ACCESS_READWRITE in add_control() as default, this code path fell out from the radar. As a result, now the driver gives -EPERM error because of the lack of the proper access bit at reading "Capture Switch" element value.
Fix the regression by setting the access bit properly.
Fixes: e65bf99718b5 ("ALSA: HDA - remove the custom implementation for the audio LED trigger") BugLink: https://bugzilla.opensuse.org/show_bug.cgi?id=1186634 Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/hda/hda_generic.c | 1 + 1 file changed, 1 insertion(+)
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c index b638fc2ef6f7..1f8018f9ce57 100644 --- a/sound/pci/hda/hda_generic.c +++ b/sound/pci/hda/hda_generic.c @@ -3520,6 +3520,7 @@ static int cap_sw_put(struct snd_kcontrol *kcontrol, static const struct snd_kcontrol_new cap_sw_temp = { .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = "Capture Switch", + .access = SNDRV_CTL_ELEM_ACCESS_READWRITE, .info = cap_sw_info, .get = cap_sw_get, .put = cap_sw_put,