* [PATCH] ALSA: hda - Allow capture-only configuration
@ 2013-12-06 8:33 Takashi Iwai
0 siblings, 0 replies; only message in thread
From: Takashi Iwai @ 2013-12-06 8:33 UTC (permalink / raw)
To: alsa-devel
We have blindly assumed that all valid configurations should have
either analog or digital playback, but there can be capture-only
configurations. The parser shouldn't escape in such a case.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
---
sound/pci/hda/hda_generic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 2729e881541d..5ba3106b9712 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -4334,7 +4334,8 @@ int snd_hda_gen_parse_auto_config(struct hda_codec *codec,
spec->no_analog = 1;
goto dig_only;
}
- return 0; /* can't find valid BIOS pin config */
+ if (!cfg->num_inputs && !cfg->dig_in_pin)
+ return 0; /* can't find valid BIOS pin config */
}
if (!spec->no_primary_hp &&
--
1.8.5
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