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authorJaroslav Kysela <perex@suse.cz>2006-01-18 08:02:24 +0100
committerJaroslav Kysela <perex@suse.cz>2006-03-22 10:26:21 +0100
commit5a25c5cfd4f61f514decca3c4106210fb168ce19 (patch)
treeb79f15c8dd90d682233c231b43ce0ed932a5b126 /sound/pci/ymfpci/ymfpci.c
parent12aa757905d09b1dc2c1c3d0de3fa8f4c9726f2b (diff)
downloadlinux-stericsson-5a25c5cfd4f61f514decca3c4106210fb168ce19.tar.gz
[ALSA] ymfpci - make rear channel swap optional
Modules: YMFPCI driver Added rear_swap module option / kernel parameter to configure the rear channel swapping. Default value is enable to make the AC3 passthrough working, but analog only users might revert the previous behaviour. Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/pci/ymfpci/ymfpci.c')
-rw-r--r--sound/pci/ymfpci/ymfpci.c5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/pci/ymfpci/ymfpci.c b/sound/pci/ymfpci/ymfpci.c
index dab9b8310341..db57ce939fa8 100644
--- a/sound/pci/ymfpci/ymfpci.c
+++ b/sound/pci/ymfpci/ymfpci.c
@@ -49,6 +49,7 @@ static long mpu_port[SNDRV_CARDS];
static long joystick_port[SNDRV_CARDS];
#endif
static int rear_switch[SNDRV_CARDS];
+static int rear_swap[SNDRV_CARDS] = { [0 ... (SNDRV_CARDS-1)] = 1 };
module_param_array(index, int, NULL, 0444);
MODULE_PARM_DESC(index, "Index value for the Yamaha DS-1 PCI soundcard.");
@@ -66,6 +67,8 @@ MODULE_PARM_DESC(joystick_port, "Joystick port address");
#endif
module_param_array(rear_switch, bool, NULL, 0444);
MODULE_PARM_DESC(rear_switch, "Enable shared rear/line-in switch");
+module_param_array(rear_swap, bool, NULL, 0444);
+MODULE_PARM_DESC(rear_swap, "Swap rear channels (must be enabled for correct IEC958 (S/PDIF)) output");
static struct pci_device_id snd_ymfpci_ids[] = {
{ 0x1073, 0x0004, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0, }, /* YMF724 */
@@ -295,7 +298,7 @@ static int __devinit snd_card_ymfpci_probe(struct pci_dev *pci,
snd_card_free(card);
return err;
}
- if ((err = snd_ymfpci_mixer(chip, rear_switch[dev])) < 0) {
+ if ((err = snd_ymfpci_mixer(chip, rear_switch[dev], rear_swap[dev])) < 0) {
snd_card_free(card);
return err;
}