Symbol: snd_ctl_request_layer
include/sound/control.h
180
int snd_ctl_request_layer(const char *module_name);
include/sound/control.h
306
static inline int snd_ctl_led_request(void) { return snd_ctl_request_layer(SND_CTL_LAYER_MODULE_LED); }
sound/core/control.c
2207
EXPORT_SYMBOL_GPL(snd_ctl_request_layer);