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Diffstat (limited to 'sound/pci/ymfpci/ymfpci_main.c')
-rw-r--r--sound/pci/ymfpci/ymfpci_main.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/sound/pci/ymfpci/ymfpci_main.c b/sound/pci/ymfpci/ymfpci_main.c
index a55b5fd..24f6fc5 100644
--- a/sound/pci/ymfpci/ymfpci_main.c
+++ b/sound/pci/ymfpci/ymfpci_main.c
@@ -36,6 +36,7 @@
#include <sound/core.h>
#include <sound/control.h>
#include <sound/info.h>
+#include <sound/tlv.h>
#include <sound/ymfpci.h>
#include <sound/asoundef.h>
#include <sound/mpu401.h>
@@ -1477,11 +1478,15 @@ static int snd_ymfpci_put_single(struct snd_kcontrol *kcontrol,
return change;
}
+static DECLARE_TLV_DB_LINEAR(db_scale_native, TLV_DB_GAIN_MUTE, 0);
+
#define YMFPCI_DOUBLE(xname, xindex, reg) \
{ .iface = SNDRV_CTL_ELEM_IFACE_MIXER, .name = xname, .index = xindex, \
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ, \
.info = snd_ymfpci_info_double, \
.get = snd_ymfpci_get_double, .put = snd_ymfpci_put_double, \
- .private_value = reg }
+ .private_value = reg, \
+ .tlv = { .p = db_scale_native } }
static int snd_ymfpci_info_double(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo)
{
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