Increase USB xfer buffers heavily in order handle wider data stream.
Stream is quite heavy, over 50Mbit/sec, when sampling rates are
increased up to 3.2Msps. With remote controller interrupts disabled
and huge USB buffers it seems to perform even 3.2Msps rather well.
Signed-off-by: Antti Palosaari <crope@xxxxxx>
---
drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
index 348df05..4b8c016 100644
--- a/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
+++ b/drivers/staging/media/rtl2832u_sdr/rtl2832_sdr.c
@@ -51,8 +51,8 @@
#define V4L2_PIX_FMT_SDR_U8 v4l2_fourcc('D', 'U', '0', '8') /* unsigned 8-bit */
-#define MAX_BULK_BUFS (8)
-#define BULK_BUFFER_SIZE (8 * 512)
+#define MAX_BULK_BUFS (10)
+#define BULK_BUFFER_SIZE (128 * 512)
/* intermediate buffers with raw data from the USB device */
struct rtl2832_sdr_frame_buf {
--
1.8.5.3
--
To unsubscribe from this list: send the line "unsubscribe linux-media" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
