Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 9a32315b authored by Christian Gromm's avatar Christian Gromm Committed by Greg Kroah-Hartman
Browse files

staging: most: usb: don't set URB_ZERO_PACKET flag for synchronous data 



This patch avoids setting the URB_ZERO_PACKET transfer flag for synchronous
data. This is needed to prevent the host from sending an empty packet when
data is aligned to an endpoint packet boundary.

Signed-off-by: default avatarChristian Gromm <christian.gromm@microchip.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent d060bff7

drivers/staging/most/usb/usb.c

+2 −1
Original line number Original line Diff line number Diff line
@@ -592,7 +592,8 @@ static int hdm_enqueue(struct most_interface *iface, int channel, 
				  length,

				  length,

				  hdm_write_completion,

				  hdm_write_completion,

				  mbo);

				  mbo);

		if (conf->data_type != MOST_CH_ISOC)

		if (conf->data_type != MOST_CH_ISOC &&

		    conf->data_type != MOST_CH_SYNC)

			urb->transfer_flags |= URB_ZERO_PACKET;

			urb->transfer_flags |= URB_ZERO_PACKET;

	} else {

	} else {

		usb_fill_bulk_urb(urb, mdev->usb_device,

		usb_fill_bulk_urb(urb, mdev->usb_device,