ALSA: hda/realtek - Simplify alc_auto_is_dac_reachable()
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>
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index f519627..ca07740 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -2938,19 +2938,9 @@
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)