54 static void ivtv_alsa_announce_pcm_data(struct snd_ivtv_card *itvsc,  in ivtv_alsa_announce_pcm_data()  argument
65 	dprintk("ivtv alsa announce ptr=%p data=%p num_bytes=%zu\n", itvsc,  in ivtv_alsa_announce_pcm_data()
68 	substream = itvsc->capture_pcm_substream;  in ivtv_alsa_announce_pcm_data()
97 	oldptr = itvsc->hwptr_done_capture;  in ivtv_alsa_announce_pcm_data()
111 	itvsc->hwptr_done_capture += length;  in ivtv_alsa_announce_pcm_data()
112 	if (itvsc->hwptr_done_capture >=  in ivtv_alsa_announce_pcm_data()
114 		itvsc->hwptr_done_capture -=  in ivtv_alsa_announce_pcm_data()
117 	itvsc->capture_transfer_done += length;  in ivtv_alsa_announce_pcm_data()
118 	if (itvsc->capture_transfer_done >=  in ivtv_alsa_announce_pcm_data()
120 		itvsc->capture_transfer_done -=  in ivtv_alsa_announce_pcm_data()
133 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_capture_open()  local
135 	struct v4l2_device *v4l2_dev = itvsc->v4l2_dev;  in snd_ivtv_pcm_capture_open()
142 	snd_ivtv_lock(itvsc);  in snd_ivtv_pcm_capture_open()
145 		snd_ivtv_unlock(itvsc);  in snd_ivtv_pcm_capture_open()
159 		snd_ivtv_unlock(itvsc);  in snd_ivtv_pcm_capture_open()
166 		snd_ivtv_unlock(itvsc);  in snd_ivtv_pcm_capture_open()
173 	itvsc->capture_pcm_substream = substream;  in snd_ivtv_pcm_capture_open()
181 	snd_ivtv_unlock(itvsc);  in snd_ivtv_pcm_capture_open()
188 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_capture_close()  local
189 	struct v4l2_device *v4l2_dev = itvsc->v4l2_dev;  in snd_ivtv_pcm_capture_close()
194 	snd_ivtv_lock(itvsc);  in snd_ivtv_pcm_capture_close()
202 	snd_ivtv_unlock(itvsc);  in snd_ivtv_pcm_capture_close()
209 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_prepare()  local
211 	itvsc->hwptr_done_capture = 0;  in snd_ivtv_pcm_prepare()
212 	itvsc->capture_transfer_done = 0;  in snd_ivtv_pcm_prepare()
227 	struct snd_ivtv_card *itvsc = snd_pcm_substream_chip(substream);  in snd_ivtv_pcm_pointer()  local
229 	spin_lock_irqsave(&itvsc->slock, flags);  in snd_ivtv_pcm_pointer()
230 	hwptr_done = itvsc->hwptr_done_capture;  in snd_ivtv_pcm_pointer()
231 	spin_unlock_irqrestore(&itvsc->slock, flags);  in snd_ivtv_pcm_pointer()
244 int snd_ivtv_pcm_create(struct snd_ivtv_card *itvsc)  in snd_ivtv_pcm_create()  argument
247 	struct snd_card *sc = itvsc->sc;  in snd_ivtv_pcm_create()
248 	struct v4l2_device *v4l2_dev = itvsc->v4l2_dev;  in snd_ivtv_pcm_create()
263 	spin_lock_init(&itvsc->slock);  in snd_ivtv_pcm_create()
269 	sp->private_data = itvsc;  in snd_ivtv_pcm_create()