25 static int submit_audio_in_urb(struct snd_line6_pcm *line6pcm)  in submit_audio_in_urb()  argument
33 	    find_first_zero_bit(&line6pcm->in.active_urbs, LINE6_ISO_BUFFERS);  in submit_audio_in_urb()
36 		dev_err(line6pcm->line6->ifcdev, "no free URB found\n");  in submit_audio_in_urb()
40 	urb_in = line6pcm->in.urbs[index];  in submit_audio_in_urb()
47 		fin->length = line6pcm->max_packet_size;  in submit_audio_in_urb()
48 		urb_size += line6pcm->max_packet_size;  in submit_audio_in_urb()
52 	    line6pcm->in.buffer +  in submit_audio_in_urb()
53 	    index * LINE6_ISO_PACKETS * line6pcm->max_packet_size;  in submit_audio_in_urb()
55 	urb_in->context = line6pcm;  in submit_audio_in_urb()
60 		set_bit(index, &line6pcm->in.active_urbs);  in submit_audio_in_urb()
62 		dev_err(line6pcm->line6->ifcdev,  in submit_audio_in_urb()
72 int line6_submit_audio_in_all_urbs(struct snd_line6_pcm *line6pcm)  in line6_submit_audio_in_all_urbs()  argument
77 		ret = submit_audio_in_urb(line6pcm);  in line6_submit_audio_in_all_urbs()
88 void line6_capture_copy(struct snd_line6_pcm *line6pcm, char *fbuf, int fsize)  in line6_capture_copy()  argument
91 	    get_substream(line6pcm, SNDRV_PCM_STREAM_CAPTURE);  in line6_capture_copy()
93 	const int bytes_per_frame = line6pcm->properties->bytes_per_frame;  in line6_capture_copy()
99 	if (line6pcm->in.pos_done + frames > runtime->buffer_size) {  in line6_capture_copy()
106 		len = runtime->buffer_size - line6pcm->in.pos_done;  in line6_capture_copy()
110 			       line6pcm->in.pos_done * bytes_per_frame, fbuf,  in line6_capture_copy()
116 			dev_err(line6pcm->line6->ifcdev,  in line6_capture_copy()
122 		       line6pcm->in.pos_done * bytes_per_frame, fbuf, fsize);  in line6_capture_copy()
125 	line6pcm->in.pos_done += frames;  in line6_capture_copy()
126 	if (line6pcm->in.pos_done >= runtime->buffer_size)  in line6_capture_copy()
127 		line6pcm->in.pos_done -= runtime->buffer_size;  in line6_capture_copy()
130 void line6_capture_check_period(struct snd_line6_pcm *line6pcm, int length)  in line6_capture_check_period()  argument
133 	    get_substream(line6pcm, SNDRV_PCM_STREAM_CAPTURE);  in line6_capture_check_period()
135 	line6pcm->in.bytes += length;  in line6_capture_check_period()
136 	if (line6pcm->in.bytes >= line6pcm->in.period) {  in line6_capture_check_period()
137 		line6pcm->in.bytes %= line6pcm->in.period;  in line6_capture_check_period()
138 		spin_unlock(&line6pcm->in.lock);  in line6_capture_check_period()
140 		spin_lock(&line6pcm->in.lock);  in line6_capture_check_period()
152 	struct snd_line6_pcm *line6pcm = (struct snd_line6_pcm *)urb->context;  in audio_in_callback()  local
154 	line6pcm->in.last_frame = urb->start_frame;  in audio_in_callback()
158 		if (urb == line6pcm->in.urbs[index])  in audio_in_callback()
161 	spin_lock_irqsave(&line6pcm->in.lock, flags);  in audio_in_callback()
176 		if (fsize > line6pcm->max_packet_size) {  in audio_in_callback()
177 			dev_err(line6pcm->line6->ifcdev,  in audio_in_callback()
179 				fsize, line6pcm->max_packet_size);  in audio_in_callback()
185 		line6pcm->prev_fbuf = fbuf;  in audio_in_callback()
186 		line6pcm->prev_fsize = fsize;  in audio_in_callback()
188 		if (!test_bit(LINE6_STREAM_IMPULSE, &line6pcm->in.running) &&  in audio_in_callback()
189 		    test_bit(LINE6_STREAM_PCM, &line6pcm->in.running) &&  in audio_in_callback()
191 			line6_capture_copy(line6pcm, fbuf, fsize);  in audio_in_callback()
194 	clear_bit(index, &line6pcm->in.active_urbs);  in audio_in_callback()
196 	if (test_and_clear_bit(index, &line6pcm->in.unlink_urbs))  in audio_in_callback()
200 		submit_audio_in_urb(line6pcm);  in audio_in_callback()
202 		if (!test_bit(LINE6_STREAM_IMPULSE, &line6pcm->in.running) &&  in audio_in_callback()
203 		    test_bit(LINE6_STREAM_PCM, &line6pcm->in.running))  in audio_in_callback()
204 			line6_capture_check_period(line6pcm, length);  in audio_in_callback()
207 	spin_unlock_irqrestore(&line6pcm->in.lock, flags);  in audio_in_callback()
215 	struct snd_line6_pcm *line6pcm = snd_pcm_substream_chip(substream);  in snd_line6_capture_open()  local
219 					    &line6pcm->properties->rates);  in snd_line6_capture_open()
223 	runtime->hw = line6pcm->properties->capture_hw;  in snd_line6_capture_open()
245 int line6_create_audio_in_urbs(struct snd_line6_pcm *line6pcm)  in line6_create_audio_in_urbs()  argument
247 	struct usb_line6 *line6 = line6pcm->line6;  in line6_create_audio_in_urbs()
255 		urb = line6pcm->in.urbs[i] =  in line6_create_audio_in_urbs()