From: Takashi Iwai <tiwai@suse.de>
Date: Fri, 3 Jul 2009 21:25:37 +0000 (+0200)
Subject: ALSA: hda - Don't override maxbps for FLOAT sharing with linear formats
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=b0bb3aa6233dccfccd040793d0d9ce838e4890e1;p=linux-beck.git

ALSA: hda - Don't override maxbps for FLOAT sharing with linear formats

When FLOAT PCM format is available but together with other linear
PCM formats, don't override maxbps value.  For FLOAT format, it's always
32, thus it can be better checked in snd_hda_calc_stream_format().
Otherwise the maxbps 32 might be used wrongly even if the linear PCM
doesn't support it.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
---

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 263d124de611..fb5760c64e74 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2563,7 +2563,7 @@ unsigned int snd_hda_calc_stream_format(unsigned int rate,
 	case 20:
 	case 24:
 	case 32:
-		if (maxbps >= 32)
+		if (maxbps >= 32 || format == SNDRV_PCM_FORMAT_FLOAT_LE)
 			val |= 0x40;
 		else if (maxbps >= 24)
 			val |= 0x30;
@@ -2692,7 +2692,8 @@ static int snd_hda_query_supported_pcm(struct hda_codec *codec, hda_nid_t nid,
 		}
 		if (streams & AC_SUPFMT_FLOAT32) {
 			formats |= SNDRV_PCM_FMTBIT_FLOAT_LE;
-			bps = 32;
+			if (!bps)
+				bps = 32;
 		}
 		if (streams == AC_SUPFMT_AC3) {
 			/* should be exclusive */