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Diffstat (limited to 'sound/pci/via82xx.c')
-rw-r--r--sound/pci/via82xx.c59
1 files changed, 52 insertions, 7 deletions
diff --git a/sound/pci/via82xx.c b/sound/pci/via82xx.c
index 91683a349035..8a332d2f615c 100644
--- a/sound/pci/via82xx.c
+++ b/sound/pci/via82xx.c
@@ -386,6 +386,7 @@ struct via82xx {
struct snd_pcm *pcms[2];
struct snd_rawmidi *rmidi;
+ struct snd_kcontrol *dxs_controls[4];
struct snd_ac97_bus *ac97_bus;
struct snd_ac97 *ac97;
@@ -1216,9 +1217,9 @@ static int snd_via82xx_pcm_open(struct via82xx *chip, struct viadev *viadev,
/*
- * open callback for playback on via686 and via823x DSX
+ * open callback for playback on via686
*/
-static int snd_via82xx_playback_open(struct snd_pcm_substream *substream)
+static int snd_via686_playback_open(struct snd_pcm_substream *substream)
{
struct via82xx *chip = snd_pcm_substream_chip(substream);
struct viadev *viadev = &chip->devs[chip->playback_devno + substream->number];
@@ -1230,6 +1231,32 @@ static int snd_via82xx_playback_open(struct snd_pcm_substream *substream)
}
/*
+ * open callback for playback on via823x DXS
+ */
+static int snd_via8233_playback_open(struct snd_pcm_substream *substream)
+{
+ struct via82xx *chip = snd_pcm_substream_chip(substream);
+ struct viadev *viadev;
+ unsigned int stream;
+ int err;
+
+ viadev = &chip->devs[chip->playback_devno + substream->number];
+ if ((err = snd_via82xx_pcm_open(chip, viadev, substream)) < 0)
+ return err;
+ stream = viadev->reg_offset / 0x10;
+ if (chip->dxs_controls[stream]) {
+ chip->playback_volume[stream][0] = 0;
+ chip->playback_volume[stream][1] = 0;
+ chip->dxs_controls[stream]->vd[0].access &=
+ ~SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_VALUE |
+ SNDRV_CTL_EVENT_MASK_INFO,
+ &chip->dxs_controls[stream]->id);
+ }
+ return 0;
+}
+
+/*
* open callback for playback on via823x multi-channel
*/
static int snd_via8233_multi_open(struct snd_pcm_substream *substream)
@@ -1302,10 +1329,26 @@ static int snd_via82xx_pcm_close(struct snd_pcm_substream *substream)
return 0;
}
+static int snd_via8233_playback_close(struct snd_pcm_substream *substream)
+{
+ struct via82xx *chip = snd_pcm_substream_chip(substream);
+ struct viadev *viadev = substream->runtime->private_data;
+ unsigned int stream;
+
+ stream = viadev->reg_offset / 0x10;
+ if (chip->dxs_controls[stream]) {
+ chip->dxs_controls[stream]->vd[0].access |=
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE;
+ snd_ctl_notify(chip->card, SNDRV_CTL_EVENT_MASK_INFO,
+ &chip->dxs_controls[stream]->id);
+ }
+ return snd_via82xx_pcm_close(substream);
+}
+
/* via686 playback callbacks */
static struct snd_pcm_ops snd_via686_playback_ops = {
- .open = snd_via82xx_playback_open,
+ .open = snd_via686_playback_open,
.close = snd_via82xx_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_via82xx_hw_params,
@@ -1331,8 +1374,8 @@ static struct snd_pcm_ops snd_via686_capture_ops = {
/* via823x DSX playback callbacks */
static struct snd_pcm_ops snd_via8233_playback_ops = {
- .open = snd_via82xx_playback_open,
- .close = snd_via82xx_pcm_close,
+ .open = snd_via8233_playback_open,
+ .close = snd_via8233_playback_close,
.ioctl = snd_pcm_lib_ioctl,
.hw_params = snd_via82xx_hw_params,
.hw_free = snd_via82xx_hw_free,
@@ -1709,8 +1752,9 @@ static struct snd_kcontrol_new snd_via8233_dxs_volume_control __devinitdata = {
.device = 0,
/* .subdevice set later */
.name = "PCM Playback Volume",
- .access = (SNDRV_CTL_ELEM_ACCESS_READWRITE |
- SNDRV_CTL_ELEM_ACCESS_TLV_READ),
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE |
+ SNDRV_CTL_ELEM_ACCESS_TLV_READ |
+ SNDRV_CTL_ELEM_ACCESS_INACTIVE,
.info = snd_via8233_dxs_volume_info,
.get = snd_via8233_dxs_volume_get,
.put = snd_via8233_dxs_volume_put,
@@ -1948,6 +1992,7 @@ static int __devinit snd_via8233_init_misc(struct via82xx *chip)
err = snd_ctl_add(chip->card, kctl);
if (err < 0)
return err;
+ chip->dxs_controls[i] = kctl;
}
}
}