ALSA: trident - pause s/pdif output

Stop the S/PDIF DMA engine and output when the device is told to pause.
It will keep on looping the current buffer contents if this isn't done.

Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
Tested-by: Rene Herman <rene.herman@gmail.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>

1 files changed, 4 insertions, 1 deletions

diff --git a/sound/pci/trident/trident_main.c b/sound/pci/trident/trident_main.c
index bbcee2c09ae4..a69b4206c69e 100644
--- a/sound/pci/trident/trident_main.c
+++ b/sound/pci/trident/trident_main.c
@@ -1590,7 +1590,10 @@ static int snd_trident_trigger(struct snd_pcm_substream *substream,
         if (spdif_flag) {
                 if (trident->device != TRIDENT_DEVICE_ID_SI7018) {
                         outl(trident->spdif_pcm_bits, TRID_REG(trident, NX_SPCSTATUS));
-                        outb(trident->spdif_pcm_ctrl, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
+                        val = trident->spdif_pcm_ctrl;
+                        if (!go)
+                                val &= ~(0x28);
+                        outb(val, TRID_REG(trident, NX_SPCTRL_SPCSO + 3));
                 } else {
                         outl(trident->spdif_pcm_bits, TRID_REG(trident, SI_SPDIF_CS));
                         val = inl(TRID_REG(trident, SI_SERIAL_INTF_CTRL)) | SPDIF_EN;