snd_hwdep_dsp_image 121 include/sound/asound.h struct snd_hwdep_dsp_image { snd_hwdep_dsp_image 133 include/sound/asound.h SNDRV_HWDEP_IOCTL_DSP_LOAD = _IOW('H', 0x03, struct snd_hwdep_dsp_image)