Revert "[media] drivers/media/usb/dvb-usb/dib0700_core.c: fix left shift"

On Wed, 6 Feb 2013 09:04:39 +0000
Olivier GRENIE <[e-mail]> wrote:

> I do not agree with the patch. Let's take an example: adap->id = 0. Then:
> * 1 << ~(adap->id) = 1 << ~(0) = 0
> * ~(1 << adap->id) = ~(1 << 0) = 0xFE
>
> The correct change should be: st->channel_state |= 1 << (1 - adap->id); Indeed, the original source code was not correct.

Requested-by: Olivier GRENIE <[e-mail]>
Cc: Patrick Boettcher <[e-mail]>
Cc: Nickolai Zeldovich <[e-mail]>
Signed-off-by: Mauro Carvalho Chehab <[e-mail]>

drivers/media/usb/dvb-usb/dib0700_core.c

···
 		if (onoff)
 			st->channel_state |=	1 << (adap->id);
 		else
-			st->channel_state &=  ~(1 << (adap->id));
+			st->channel_state |=	1 << ~(adap->id);
 	} else {
 		if (onoff)
 			st->channel_state |=	1 << (adap->fe_adap[0].stream.props.endpoint-2);