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Commit 6f6c268b authored Jan 21, 2008 by Reinhard Nissl Committed by Mauro Carvalho Chehab Dec 29, 2008

V4L/DVB (9447): stb6100: improve rounding



Optimization: Round the requested value to achieve a
+/-1MHz error instead of +0/-2MHz

Signed-off-by: Reinhard Nissl <rnissl@gmx.de>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

parent 02ec9d8f

drivers/media/dvb/frontends/stb6100.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -276,7 +276,7 @@ static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
		else if (bandwidth <= 5000000) /* bw/2 min = 5Mhz for F=0 */
		tmp = 0;
		else /* if 5 < bw/2 < 36 */
		tmp = bandwidth / 1000000 - 5;
		tmp = (bandwidth + 500000) / 1000000 - 5;

		/* Turn on LPF bandwidth setting clock control,
		* set bandwidth, wait 10ms, turn off.