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authorClemens Ladisch <clemens@ladisch.de>2006-01-13 07:48:59 +0100
committerJaroslav Kysela <perex@suse.cz>2006-03-22 10:23:00 +0100
commit153abaa4ff0500070a282dd0868367d69388d527 (patch)
treee4b06f6631bc92ea3b2e976b6721932e8f965936 /sound/pci/ymfpci/ymfpci_main.c
parent27346166a9b3b9eee586bce212502cddf9685a07 (diff)
downloadlinux-153abaa4ff0500070a282dd0868367d69388d527.tar.bz2
[ALSA] ymfpci: fix swapped channels in SPDIF output
Modules: YMFPCI driver The routing of the effect 2/3 channels to the digital output is the opposite of the rear analog output (left/right swapped). We make the order correct for the digital output (which will make the analog rear have the channels swapped) to make AC3 output work. Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Diffstat (limited to 'sound/pci/ymfpci/ymfpci_main.c')
-rw-r--r--sound/pci/ymfpci/ymfpci_main.c12
1 files changed, 8 insertions, 4 deletions
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index a1aa74b79b3d..30ee53adb494 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -536,13 +536,17 @@ static void snd_ymfpci_pcm_init_voice(struct snd_ymfpci_pcm *ypcm, unsigned int
}
}
if (ypcm->output_rear) {
+ /* The SPDIF out channels seem to be swapped, so we have
+ * to swap them here, too. The rear analog out channels
+ * will be wrong, but otherwise AC3 would not work.
+ */
if (use_left) {
- bank->eff2_gain =
- bank->eff2_gain_end = vol_left;
+ bank->eff3_gain =
+ bank->eff3_gain_end = vol_left;
}
if (use_right) {
- bank->eff3_gain =
- bank->eff3_gain_end = vol_right;
+ bank->eff2_gain =
+ bank->eff2_gain_end = vol_right;
}
}
}