[alsa-devel] [PATCH 025/112] ALSA: hda/realtek - Initialize loopback paths properly
Takashi Iwai
tiwai at suse.de
Tue Jan 8 12:38:18 CET 2013
Now we have a complete list of loopback paths, thus we can initialize
the paths more completely based on it, instead of assuming a direct
connection from pin to mixer.
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
sound/pci/hda/patch_realtek.c | 32 ++++++++++++++++++++------------
1 file changed, 20 insertions(+), 12 deletions(-)
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index eadf326d..a41f048 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2639,6 +2639,7 @@ static int new_analog_input(struct hda_codec *codec, hda_nid_t pin,
{
struct alc_spec *spec = codec->spec;
struct nid_path *path;
+ unsigned int val;
int err, idx;
if (!nid_has_volume(codec, mix_nid, HDA_INPUT) &&
@@ -2654,19 +2655,22 @@ static int new_analog_input(struct hda_codec *codec, hda_nid_t pin,
idx = path->idx[path->depth - 1];
if (nid_has_volume(codec, mix_nid, HDA_INPUT)) {
- err = __add_pb_vol_ctrl(spec, ALC_CTL_WIDGET_VOL, ctlname, ctlidx,
- HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
+ val = HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT);
+ err = __add_pb_vol_ctrl(spec, ALC_CTL_WIDGET_VOL, ctlname, ctlidx, val);
if (err < 0)
return err;
+ path->ctls[NID_PATH_VOL_CTL] = val;
}
if (nid_has_mute(codec, mix_nid, HDA_INPUT)) {
- err = __add_pb_sw_ctrl(spec, ALC_CTL_WIDGET_MUTE, ctlname, ctlidx,
- HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT));
+ val = HDA_COMPOSE_AMP_VAL(mix_nid, 3, idx, HDA_INPUT);
+ err = __add_pb_sw_ctrl(spec, ALC_CTL_WIDGET_MUTE, ctlname, ctlidx, val);
if (err < 0)
return err;
+ path->ctls[NID_PATH_MUTE_CTL] = val;
}
+ path->active = true;
add_loopback_list(spec, mix_nid, idx);
return 0;
}
@@ -2848,6 +2852,11 @@ static int alc_auto_create_shared_input(struct hda_codec *codec)
return 0;
}
+static struct nid_path *
+get_nid_path(struct hda_codec *codec, hda_nid_t from_nid, hda_nid_t to_nid);
+static void activate_path(struct hda_codec *codec, struct nid_path *path,
+ bool enable);
+
static int get_pin_type(int line_out_type)
{
if (line_out_type == AUTO_PIN_HP_OUT)
@@ -2871,15 +2880,14 @@ static void alc_auto_init_analog_input(struct hda_codec *codec)
AC_VERB_SET_AMP_GAIN_MUTE,
AMP_OUT_MUTE);
}
- }
- /* mute all loopback inputs */
- if (spec->mixer_nid) {
- int nums = snd_hda_get_num_conns(codec, spec->mixer_nid);
- for (i = 0; i < nums; i++)
- snd_hda_codec_write(codec, spec->mixer_nid, 0,
- AC_VERB_SET_AMP_GAIN_MUTE,
- AMP_IN_MUTE(i));
+ /* mute loopback inputs */
+ if (spec->mixer_nid) {
+ struct nid_path *path;
+ path = get_nid_path(codec, nid, spec->mixer_nid);
+ if (path)
+ activate_path(codec, path, path->active);
+ }
}
}
--
1.8.0.1
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