57 	snd_printk(KERN_DEBUG "STAT: bytes2hw: %u Bytes => (by runtime->rate) "  in snd_pcm_indirect2_stat()
61 		   "rate: %d Bytes/s = %d Frames/s|Hz\n",  in snd_pcm_indirect2_stat()
139 				       unsigned int bytes)  in snd_pcm_indirect2_increase_min_periods()  argument
143 			rec->sw_io += bytes;  in snd_pcm_indirect2_increase_min_periods()
185 			 * the first zeros means, the last bytes were played.  in snd_pcm_indirect2_increase_min_periods()
195 				if (bytes >= diff)  in snd_pcm_indirect2_increase_min_periods()
198 					rec->sw_io += bytes;  in snd_pcm_indirect2_increase_min_periods()
205 		rec->min_period_count += bytes;  in snd_pcm_indirect2_increase_min_periods()
255 	 * diff: obviously ALSA wrote that much bytes into the intermediate  in snd_pcm_indirect2_playback_transfer()
266 		/* number of bytes "added" by ALSA increases the number of  in snd_pcm_indirect2_playback_transfer()
267 		 * bytes which are ready to "be transferred to HW"/"played"  in snd_pcm_indirect2_playback_transfer()
268 		 * Then, set rec->appl_ptr to not count bytes twice next time.  in snd_pcm_indirect2_playback_transfer()
274 		unsigned int bytes;  in snd_pcm_indirect2_playback_transfer()  local
295 		bytes = zero(substream, rec);  in snd_pcm_indirect2_playback_transfer()
298 		rec->zeros2hw += bytes;  in snd_pcm_indirect2_playback_transfer()
299 		if (bytes < 64)  in snd_pcm_indirect2_playback_transfer()
300 			rec->zero_sizes[bytes]++;  in snd_pcm_indirect2_playback_transfer()
303 				   "STAT: %d zero Bytes copied to hardware at "  in snd_pcm_indirect2_playback_transfer()
305 				   bytes);  in snd_pcm_indirect2_playback_transfer()
308 						       bytes);  in snd_pcm_indirect2_playback_transfer()
312 		/* sw_to_end: max. number of bytes that can be read/take from  in snd_pcm_indirect2_playback_transfer()
317 		/* bytes: number of bytes we have available (for reading) */  in snd_pcm_indirect2_playback_transfer()
318 		unsigned int bytes = rec->sw_ready;  in snd_pcm_indirect2_playback_transfer()  local
320 		if (sw_to_end < bytes)  in snd_pcm_indirect2_playback_transfer()
321 			bytes = sw_to_end;  in snd_pcm_indirect2_playback_transfer()
322 		if (!bytes)  in snd_pcm_indirect2_playback_transfer()
330 		/* copy bytes from intermediate buffer position sw_data to the  in snd_pcm_indirect2_playback_transfer()
331 		 * HW and return number of bytes actually written  in snd_pcm_indirect2_playback_transfer()
335 		bytes = copy(substream, rec, bytes);  in snd_pcm_indirect2_playback_transfer()
336 		rec->bytes2hw += bytes;  in snd_pcm_indirect2_playback_transfer()
339 		if (bytes < 64)  in snd_pcm_indirect2_playback_transfer()
340 			rec->byte_sizes[bytes]++;  in snd_pcm_indirect2_playback_transfer()
343 				   "STAT: %d Bytes copied to hardware at once "  in snd_pcm_indirect2_playback_transfer()
345 				   bytes);  in snd_pcm_indirect2_playback_transfer()
347 		/* increase sw_data by the number of actually written bytes  in snd_pcm_indirect2_playback_transfer()
348 		 * (= number of taken bytes from intermediate buffer)  in snd_pcm_indirect2_playback_transfer()
350 		rec->sw_data += bytes;  in snd_pcm_indirect2_playback_transfer()
359 						       bytes);  in snd_pcm_indirect2_playback_transfer()
361 		/* we read bytes from intermediate buffer, so we need to say  in snd_pcm_indirect2_playback_transfer()
362 		 * that the number of bytes ready for transfer are decreased  in snd_pcm_indirect2_playback_transfer()
365 		rec->sw_ready -= bytes;  in snd_pcm_indirect2_playback_transfer()
382 	/* hardware played some bytes, so there is room again (in fifo) */  in snd_pcm_indirect2_playback_interrupt()
435 		unsigned int bytes;  in snd_pcm_indirect2_capture_transfer()  local
456 		bytes = null(substream, rec);  in snd_pcm_indirect2_capture_transfer()
459 		rec->zeros2hw += bytes;  in snd_pcm_indirect2_capture_transfer()
460 		if (bytes < 64)  in snd_pcm_indirect2_capture_transfer()
461 			rec->zero_sizes[bytes]++;  in snd_pcm_indirect2_capture_transfer()
464 				   "STAT: (capture) %d zero Bytes copied to "  in snd_pcm_indirect2_capture_transfer()
466 				   bytes);  in snd_pcm_indirect2_capture_transfer()
469 						       bytes);  in snd_pcm_indirect2_capture_transfer()
475 		/* sw_to_end: max. number of bytes that we can write to the  in snd_pcm_indirect2_capture_transfer()
480 		/* bytes: max. number of bytes, which may be copied to the  in snd_pcm_indirect2_capture_transfer()
483 		size_t bytes = rec->sw_buffer_size - rec->sw_ready;  in snd_pcm_indirect2_capture_transfer()  local
485 		/* limit number of bytes (for transfer) by available room in  in snd_pcm_indirect2_capture_transfer()
488 		if (sw_to_end < bytes)  in snd_pcm_indirect2_capture_transfer()
489 			bytes = sw_to_end;  in snd_pcm_indirect2_capture_transfer()
490 		if (!bytes)  in snd_pcm_indirect2_capture_transfer()
498 		/* copy bytes from the intermediate buffer (position sw_data)  in snd_pcm_indirect2_capture_transfer()
499 		 * to the HW at most and return number of bytes actually copied  in snd_pcm_indirect2_capture_transfer()
503 		bytes = copy(substream, rec, bytes);  in snd_pcm_indirect2_capture_transfer()
504 		rec->bytes2hw += bytes;  in snd_pcm_indirect2_capture_transfer()
507 		if (bytes < 64)  in snd_pcm_indirect2_capture_transfer()
508 			rec->byte_sizes[bytes]++;  in snd_pcm_indirect2_capture_transfer()
511 				   "STAT: (capture) %d Bytes copied to "  in snd_pcm_indirect2_capture_transfer()
513 				   bytes);  in snd_pcm_indirect2_capture_transfer()
515 		/* increase sw_data by the number of actually copied bytes from  in snd_pcm_indirect2_capture_transfer()
518 		rec->sw_data += bytes;  in snd_pcm_indirect2_capture_transfer()
523 						       bytes);  in snd_pcm_indirect2_capture_transfer()
525 		/* number of bytes in the intermediate buffer, which haven't  in snd_pcm_indirect2_capture_transfer()
528 		rec->sw_ready += bytes;  in snd_pcm_indirect2_capture_transfer()
545 	/* hardware recorded some bytes, so there is something to read from the  in snd_pcm_indirect2_capture_interrupt()