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authorTakashi Iwai <tiwai@suse.de>2012-05-12 09:38:05 +0200
committerTakashi Iwai <tiwai@suse.de>2012-05-12 09:38:05 +0200
commit8c7dd8907637d863bdd175f24e895cbcfe03e1e5 (patch)
treeea1e868274ea72c3b37bba9dc00024723000b30a
parent2d825fd82eb765412a558a56e193b77117d56699 (diff)
downloadlinux-8c7dd8907637d863bdd175f24e895cbcfe03e1e5.tar.bz2
ALSA: hda - Disable FLOAT format support
It turned out that the FLOAT format on CS4206 results in simple noises, which implies that this is no right format as is. Since CS4206 is the only codec supporting the float, let's disable it until we find the correct format. Reported-and-tested-by: Adrian Knoth <adi@drcomp.erfurt.thur.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
-rw-r--r--sound/pci/hda/hda_codec.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 7a621f5986e0..c556fe1c25eb 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -3842,11 +3842,13 @@ int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
bps = 20;
}
}
+#if 0 /* FIXME: CS4206 doesn't work, which is the only codec supporting float */
if (streams & AC_SUPFMT_FLOAT32) {
formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
if (!bps)
bps = 32;
}
+#endif
if (streams == AC_SUPFMT_AC3) {
/* should be exclusive */
/* temporary hack: we have still no proper support