提交 89693b7d 编写于 作者: R Reinhard Nissl 提交者: Mauro Carvalho Chehab

V4L/DVB (9445): Bug: Bandwidth calculation at upper and lower boundaries

Signed-off-by: NReinhard Nissl <rnissl@gmx.de>
Signed-off-by: NManu Abraham <manu@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>
上级 043a68b3
...@@ -267,13 +267,13 @@ static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth) ...@@ -267,13 +267,13 @@ static int stb6100_set_bandwidth(struct dvb_frontend *fe, u32 bandwidth)
int rc; int rc;
struct stb6100_state *state = fe->tuner_priv; struct stb6100_state *state = fe->tuner_priv;
dprintk(verbose, FE_DEBUG, 1, "set bandwidth to %u kHz", bandwidth); dprintk(verbose, FE_DEBUG, 1, "set bandwidth to %u Hz", bandwidth);
bandwidth /= 2; /* ZIF */ bandwidth /= 2; /* ZIF */
if (bandwidth > 36000000) /* F[4:0] BW/2 max =31+5=36 mhz for F=31 */ if (bandwidth >= 36000000) /* F[4:0] BW/2 max =31+5=36 mhz for F=31 */
tmp = 31; tmp = 31;
if (bandwidth < 5000000) /* bw/2 min = 5Mhz for F=0 */ else if (bandwidth <= 5000000) /* bw/2 min = 5Mhz for F=0 */
tmp = 0; tmp = 0;
else /* if 5 < bw/2 < 36 */ else /* if 5 < bw/2 < 36 */
tmp = bandwidth / 1000000 - 5; tmp = bandwidth / 1000000 - 5;
......
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