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Commit 9c863278 authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
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V4L/DVB (12754): af9015: [2/2] fix USB TS configuration 



Fix wrongly configured USB1.1 TS EP.

Patch serie also increases USB URB size to reduce wakeups.
USB1.1 URB size from 64 to 940 bytes
USB2.0 URB size from 512 to 16356 bytes

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 353330c3

drivers/media/dvb/dvb-usb/af9015.c

+5 −3
Original line number Original line Diff line number Diff line
@@ -369,12 +369,14 @@ static int af9015_init_endpoint(struct dvb_usb_device *d) 
	u8  packet_size;

	u8  packet_size;

	deb_info("%s: USB speed:%d\n", __func__, d->udev->speed);

	deb_info("%s: USB speed:%d\n", __func__, d->udev->speed);





	/* Windows driver uses packet count 21 for USB1.1 and 348 for USB2.0.

	   We use smaller - about 1/4 from the original, 5 and 87. */

#define TS_PACKET_SIZE            188

#define TS_PACKET_SIZE            188





#define TS_USB20_PACKET_COUNT     348

#define TS_USB20_PACKET_COUNT      87

#define TS_USB20_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB20_PACKET_COUNT)

#define TS_USB20_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB20_PACKET_COUNT)





#define TS_USB11_PACKET_COUNT      21

#define TS_USB11_PACKET_COUNT       5

#define TS_USB11_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB11_PACKET_COUNT)

#define TS_USB11_FRAME_SIZE       (TS_PACKET_SIZE*TS_USB11_PACKET_COUNT)





#define TS_USB20_MAX_PACKET_SIZE  512

#define TS_USB20_MAX_PACKET_SIZE  512
@@ -868,7 +870,7 @@ static int af9015_read_config(struct usb_device *udev) 
		/* USB1.1 set smaller buffersize and disable 2nd adapter */

		/* USB1.1 set smaller buffersize and disable 2nd adapter */

		if (udev->speed == USB_SPEED_FULL) {

		if (udev->speed == USB_SPEED_FULL) {

			af9015_properties[i].adapter[0].stream.u.bulk.buffersize

			af9015_properties[i].adapter[0].stream.u.bulk.buffersize

				= TS_USB11_MAX_PACKET_SIZE;

				= TS_USB11_FRAME_SIZE;

			/* disable 2nd adapter because we don't have

			/* disable 2nd adapter because we don't have

			   PID-filters */

			   PID-filters */

			af9015_config.dual_mode = 0;

			af9015_config.dual_mode = 0;