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ALSA: hda/realtek - Simplify alc_auto_is_dac_reachable()

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Use the helper function snd_hda_get_conn_index() instead of open
codes.  This also improves the detection of some routes to DAC on
ALC260 (although the difference doesn't influence on the end
results of the mapping).

Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2012-12-05 14:08:45 +01:00
parent 065380f088
commit 6a84c305f0
1 changed files with 1 additions and 11 deletions
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12
sound/pci/hda/patch_realtek.c
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@ -2938,19 +2938,9 @@ static hda_nid_t alc_auto_look_for_dac(struct hda_codec *codec, hda_nid_t pin)
static bool alc_auto_is_dac_reachable(struct hda_codec *codec,
hda_nid_t pin, hda_nid_t dac)
{
hda_nid_t srcs[5];
int i, num;
if (!pin || !dac)
return false;
pin = alc_go_down_to_selector(codec, pin);
num = snd_hda_get_connections(codec, pin, srcs, ARRAY_SIZE(srcs));
for (i = 0; i < num; i++) {
hda_nid_t nid = alc_auto_mix_to_dac(codec, srcs[i]);
if (nid == dac)
return true;
}
return false;
return snd_hda_get_conn_index(codec, pin, dac, true) >= 0;
}
static hda_nid_t get_dac_if_single(struct hda_codec *codec, hda_nid_t pin)