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-rw-r--r--sound/pci/oxygen/oxygen.c14
1 files changed, 12 insertions, 2 deletions
diff --git a/sound/pci/oxygen/oxygen.c b/sound/pci/oxygen/oxygen.c
index e2dda16d5dcc..adf91cc3e1ae 100644
--- a/sound/pci/oxygen/oxygen.c
+++ b/sound/pci/oxygen/oxygen.c
@@ -29,6 +29,7 @@
*/
#include <linux/pci.h>
+#include <sound/control.h>
#include <sound/core.h>
#include <sound/initval.h>
#include <sound/pcm.h>
@@ -244,18 +245,27 @@ static void set_ak5385_params(struct oxygen *chip,
static const DECLARE_TLV_DB_LINEAR(ak4396_db_scale, TLV_DB_GAIN_MUTE, 0);
+static int ak4396_control_filter(struct snd_kcontrol_new *template)
+{
+ if (!strcmp(template->name, "Master Playback Volume")) {
+ template->access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+ template->tlv.p = ak4396_db_scale;
+ }
+ return 0;
+}
+
static const struct oxygen_model model_generic = {
.shortname = "C-Media CMI8788",
.longname = "C-Media Oxygen HD Audio",
.chip = "CMI8788",
.owner = THIS_MODULE,
.init = generic_init,
+ .control_filter = ak4396_control_filter,
.cleanup = generic_cleanup,
.set_dac_params = set_ak4396_params,
.set_adc_params = set_wm8785_params,
.update_dac_volume = update_ak4396_volume,
.update_dac_mute = update_ak4396_mute,
- .dac_tlv = ak4396_db_scale,
.used_channels = OXYGEN_CHANNEL_A |
OXYGEN_CHANNEL_C |
OXYGEN_CHANNEL_SPDIF |
@@ -269,12 +279,12 @@ static const struct oxygen_model model_meridian = {
.chip = "CMI8788",
.owner = THIS_MODULE,
.init = meridian_init,
+ .control_filter = ak4396_control_filter,
.cleanup = generic_cleanup,
.set_dac_params = set_ak4396_params,
.set_adc_params = set_ak5385_params,
.update_dac_volume = update_ak4396_volume,
.update_dac_mute = update_ak4396_mute,
- .dac_tlv = ak4396_db_scale,
.used_channels = OXYGEN_CHANNEL_B |
OXYGEN_CHANNEL_C |
OXYGEN_CHANNEL_SPDIF |
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