int snd_ctl_boolean_stereo_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo);
+/*
+ * virtual master control
+ */
+struct snd_kcontrol *snd_ctl_make_virtual_master(char *name,
+ const unsigned int *tlv);
+int snd_ctl_add_slave(struct snd_kcontrol *master, struct snd_kcontrol *slave);
+
#endif /* __SOUND_CONTROL_H */
It is usually not required, but if you have trouble with
sound clicking when system is loaded, it may help to determine
the process or driver which causes the scheduling gaps.
+
+config SND_VMASTER
+ bool
+ depends on SND
snd-y := sound.o init.o memory.o info.o control.o misc.o device.o
snd-$(CONFIG_ISA_DMA_API) += isadma.o
snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o info_oss.o
+snd-$(CONFIG_SND_VMASTER) += vmaster.o
snd-pcm-objs := pcm.o pcm_native.o pcm_lib.o pcm_timer.o pcm_misc.o \
pcm_memory.o
return 0;
}
+EXPORT_SYMBOL(snd_ctl_add_slave);
+
/*
* ctl callbacks for master controls
*/
}
return kctl;
}
+
+EXPORT_SYMBOL(snd_ctl_make_virtual_master);
tristate "Intel HD Audio"
depends on SND
select SND_PCM
+ select SND_VMASTER
help
Say Y here to include support for Intel "High Definition
Audio" (Azalia) motherboard devices.
hda_nid_t nid);
#endif /* CONFIG_SND_HDA_POWER_SAVE */
-/*
- * virtual master control
- */
-struct snd_kcontrol *snd_ctl_make_virtual_master(char *name,
- const unsigned int *tlv);
-int snd_ctl_add_slave(struct snd_kcontrol *master, struct snd_kcontrol *slave);
-
#endif /* __SOUND_HDA_LOCAL_H */