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Searched refs:scratch_read_ptr (Results 1 – 2 of 2) sorted by relevance

/linux-4.4.14/drivers/media/usb/usbvision/
Dusbvision-core.c184 int len = usbvision->scratch_write_ptr - usbvision->scratch_read_ptr; in scratch_len()
197 int free = usbvision->scratch_read_ptr - usbvision->scratch_write_ptr; in scratch_free()
276 *ptr = (usbvision->scratch_read_ptr + len) % scratch_buf_size; in scratch_set_extra_ptr()
297 if (usbvision->scratch_read_ptr + len < scratch_buf_size) { in scratch_get()
298 memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len); in scratch_get()
299 usbvision->scratch_read_ptr += len; in scratch_get()
301 len_part = scratch_buf_size - usbvision->scratch_read_ptr; in scratch_get()
302 memcpy(data, usbvision->scratch + usbvision->scratch_read_ptr, len_part); in scratch_get()
304 usbvision->scratch_read_ptr = 0; /* just set the read_ptr to zero */ in scratch_get()
307 usbvision->scratch_read_ptr = len - len_part; in scratch_get()
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Dusbvision.h422 int scratch_read_ptr; member