https://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/tree/sound/core/oss?id=ab30965d9bfcd04931f9b70d00faa2ea614835a8
https:/ /git.kernel. org/cgit/ linux/kernel/ git/tiwai/ sound.git/ tree/sound/ core/oss? id=ab30965d9bfc d04931f9b70d00f aa2ea614835a8