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Commit 7640ea99 authored by Devin Heitmueller's avatar Devin Heitmueller Committed by Mauro Carvalho Chehab
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V4L/DVB (7609): em28xx-core: speed-up firmware load 



em28xx-core.c:
 - Remove sleep in i2c message routine which slows down i2c by a factor
   10x.  Load time for BASE firmware went from 13s to .973s

Signed-off-by: default avatarDevin Heitmueller <devin.heitmueller@gmail.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent 83244025

drivers/media/video/em28xx/em28xx-core.c

+0 −1
Original line number Diff line number Diff line
@@ -153,7 +153,6 @@ int em28xx_write_regs_req(struct em28xx *dev, u8 req, u16 reg, char *buf, 
	ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0), req,

			      USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,

			      0x0000, reg, bufs, len, HZ);

	msleep(5);		/* FIXME: magic number */

	kfree(bufs);

	return ret;

}