Lines Matching defs:buf
306 char __user *buf, size_t count)
317 ret = copy_from_user(ptr, buf, count);
319 ret = copy_from_user(ptr, buf, n);
320 ret += copy_from_user(rtd->dma_area, buf + n, count - n);
327 char __user *buf, size_t count)
338 ret = copy_to_user(buf, ptr, count);
340 ret = copy_to_user(buf, ptr, n);
341 ret += copy_to_user(buf + n, rtd->dma_area, count - n);
349 char __user *buf, size_t count)
357 return sof_compr_copy_playback(rtd, buf, count);
359 return sof_compr_copy_capture(rtd, buf, count);