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ALSA: hda - Use direct path reference in assign_out_path_ctls() 

Instead of looking through paths with the dac -> pin connection at
each time, just pass the already parsed path index to
assign_out_path_ctls().  This simplifies the code a bit.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2013-01-07 15:11:44 +01:00
parent cd5be3f9de
commit 0e614dd058
1 changed files with 16 additions and 12 deletions
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28
sound/pci/hda/hda_generic.c
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@ -757,23 +757,26 @@ enum {
BAD_SHARED_VOL = 0x10,
};
/* look for widgets in the path between the given NIDs appropriate for
/* look for widgets in the given path which are appropriate for
* volume and mute controls, and assign the values to ctls[].
*
* When no appropriate widget is found in the path, the badness value
* is incremented depending on the situation. The function returns the
* total badness for both volume and mute controls.
*/
static int assign_out_path_ctls(struct hda_codec *codec, hda_nid_t pin,
hda_nid_t dac)
static int assign_out_path_ctls(struct hda_codec *codec, struct nid_path *path)
{
struct nid_path *path = snd_hda_get_nid_path(codec, dac, pin);
hda_nid_t nid;
unsigned int val;
int badness = 0;
if (!path)
return BAD_SHARED_VOL * 2;
if (path->ctls[NID_PATH_VOL_CTL] ||
path->ctls[NID_PATH_MUTE_CTL])
return 0; /* already evaluated */
nid = look_for_out_vol_nid(codec, path);
if (nid) {
val = HDA_COMPOSE_AMP_VAL(nid, 3, 0, HDA_OUTPUT);
@ -866,8 +869,9 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs,
struct nid_path *path;
hda_nid_t pin = pins[i];
if (dacs[i]) {
badness += assign_out_path_ctls(codec, pin, dacs[i]);
path = snd_hda_get_path_from_idx(codec, path_idx[i]);
if (path) {
badness += assign_out_path_ctls(codec, path);
continue;
}
@ -916,9 +920,8 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs,
print_nid_path("output", path);
path->active = true;
path_idx[i] = snd_hda_get_path_idx(codec, path);
badness += assign_out_path_ctls(codec, path);
}
if (dac)
badness += assign_out_path_ctls(codec, pin, dac);
}
return badness;
@ -1001,6 +1004,7 @@ static int fill_multi_ios(struct hda_codec *codec,
unsigned int defcfg = snd_hda_codec_get_pincfg(codec, reference_pin);
unsigned int location = get_defcfg_location(defcfg);
int badness = 0;
struct nid_path *path;
old_pins = spec->multi_ios;
if (old_pins >= 2)
@ -1012,7 +1016,6 @@ static int fill_multi_ios(struct hda_codec *codec,
for (type = AUTO_PIN_LINE_IN; type >= AUTO_PIN_MIC; type--) {
for (i = 0; i < cfg->num_inputs; i++) {
struct nid_path *path;
hda_nid_t nid = cfg->inputs[i].pin;
hda_nid_t dac = 0;
@ -1067,9 +1070,10 @@ static int fill_multi_ios(struct hda_codec *codec,
}
/* assign volume and mute controls */
for (i = old_pins; i < spec->multi_ios; i++)
badness += assign_out_path_ctls(codec, spec->multi_io[i].pin,
spec->multi_io[i].dac);
for (i = old_pins; i < spec->multi_ios; i++) {
path = snd_hda_get_path_from_idx(codec, spec->out_paths[cfg->line_outs + i]);
badness += assign_out_path_ctls(codec, path);
}
return badness;
}