Commit b75e53f0 authored May 10, 2007 by Takashi Iwai Committed by Jaroslav Kysela May 16, 2007

[ALSA] hda-codec - Make the mixer capability check more robust



In some cases, mixer elements return -EINVAL because it couldn't
obtain proper amp_cap bits.  The patch improves the robustness,
trying the amp_cap query again in such a case.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>

parent d417045e

sound/pci/hda/hda_codec.c

+2 −1

Original line number	Diff line number	Diff line
		@@ -707,6 +707,7 @@ static u32 query_amp_caps(struct hda_codec *codec, hda_nid_t nid, int direction)
		direction == HDA_OUTPUT ?
		AC_PAR_AMP_OUT_CAP :
		AC_PAR_AMP_IN_CAP);
		if (info->amp_caps)
		info->status \|= INFO_AMP_CAPS;
		}
		return info->amp_caps;

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