72 void ci_get_data(struct dvb_ringbuffer *cibuf, u8 *data, int len)  in ci_get_data()  argument
74 	if (dvb_ringbuffer_free(cibuf) < len + 2)  in ci_get_data()
77 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, len >> 8);  in ci_get_data()
78 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, len & 0xff);  in ci_get_data()
79 	dvb_ringbuffer_write(cibuf, data, len);  in ci_get_data()
80 	wake_up_interruptible(&cibuf->queue);  in ci_get_data()
121 static int ci_ll_reset(struct dvb_ringbuffer *cibuf, struct file *file,  in ci_ll_reset()  argument
133 	if (dvb_ringbuffer_free(cibuf) < len)  in ci_ll_reset()
139 			dvb_ringbuffer_write(cibuf, msg, 8);  in ci_ll_reset()
147 static ssize_t ci_ll_write(struct dvb_ringbuffer *cibuf, struct file *file,  in ci_ll_write()  argument
166 	free = dvb_ringbuffer_free(cibuf);  in ci_ll_write()
172 		if (wait_event_interruptible(cibuf->queue,  in ci_ll_write()
173 					     (dvb_ringbuffer_free(cibuf) >= count + 2)))  in ci_ll_write()
177 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, count >> 8);  in ci_ll_write()
178 	DVB_RINGBUFFER_WRITE_BYTE(cibuf, count & 0xff);  in ci_ll_write()
180 	res = dvb_ringbuffer_write(cibuf, page, count);  in ci_ll_write()
186 static ssize_t ci_ll_read(struct dvb_ringbuffer *cibuf, struct file *file,  in ci_ll_read()  argument
193 	if (!cibuf->data || !count)  in ci_ll_read()
195 	if (non_blocking && (dvb_ringbuffer_empty(cibuf)))  in ci_ll_read()
197 	if (wait_event_interruptible(cibuf->queue,  in ci_ll_read()
198 				     !dvb_ringbuffer_empty(cibuf)))  in ci_ll_read()
200 	avail = dvb_ringbuffer_avail(cibuf);  in ci_ll_read()
203 	len = DVB_RINGBUFFER_PEEK(cibuf, 0) << 8;  in ci_ll_read()
204 	len |= DVB_RINGBUFFER_PEEK(cibuf, 1);  in ci_ll_read()
207 	DVB_RINGBUFFER_SKIP(cibuf, 2);  in ci_ll_read()
209 	return dvb_ringbuffer_read_user(cibuf, buf, len);  in ci_ll_read()