[media] r820t: better report signal strength



If signal is zero, shows it as a zero, not as 0xff.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Tested-by: Antti Palosaari <crope@iki.fi>

parent 84ddc33c

drivers/media/tuners/r820t.c

+2 −0

Original line number	Diff line number	Diff line
		@@ -1506,6 +1506,8 @@ static int r820t_signal(struct dvb_frontend fe, u16 strength)

		/* A higher gain at LNA means a lower signal strength */
		*strength = (45 - rc) << 4 \| 0xff;
		if (*strength == 0xff)
		*strength = 0;
		} else {
		*strength = 0;
		}