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authorPatrick Boettcher <pb@linuxtv.org>2008-01-25 07:31:58 -0300
committerMauro Carvalho Chehab <mchehab@infradead.org>2008-01-25 19:05:20 -0200
commit904a82e3e27b57a2518f7575c0cab9b6aaddc422 (patch)
tree653a54a9e47197f5cad1fda031796e7c4142522a /drivers/media
parentV4L/DVB (7073): DiB7070: Reception quality improved (diff)
downloadlinux-dev-904a82e3e27b57a2518f7575c0cab9b6aaddc422.tar.xz
linux-dev-904a82e3e27b57a2518f7575c0cab9b6aaddc422.zip
V4L/DVB (7074): DiB7000P: correct tuning problem for 7MHz channel
Tuning problem for 7Mhz channels fixes Signed-off-by: Patrick Boettcher <pb@linuxtv.org> Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/dvb/frontends/dib7000p.c10
-rw-r--r--drivers/media/dvb/frontends/dibx000_common.h5
2 files changed, 9 insertions, 6 deletions
diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c
index 0396a6f31ef8..47c23e29753e 100644
--- a/drivers/media/dvb/frontends/dib7000p.c
+++ b/drivers/media/dvb/frontends/dib7000p.c
@@ -35,8 +35,8 @@ struct dib7000p_state {
u16 wbd_ref;
- u8 current_band;
- fe_bandwidth_t current_bandwidth;
+ u8 current_band;
+ u32 current_bandwidth;
struct dibx000_agc_config *current_agc;
u32 timf;
@@ -1074,7 +1074,7 @@ static int dib7000p_get_frontend(struct dvb_frontend* fe,
fep->inversion = INVERSION_AUTO;
- fep->u.ofdm.bandwidth = state->current_bandwidth;
+ fep->u.ofdm.bandwidth = BANDWIDTH_TO_INDEX(state->current_bandwidth);
switch ((tps >> 8) & 0x3) {
case 0: fep->u.ofdm.transmission_mode = TRANSMISSION_MODE_2K; break;
@@ -1131,10 +1131,8 @@ static int dib7000p_set_frontend(struct dvb_frontend* fe,
int time, ret;
dib7000p_set_output_mode(state, OUTMODE_HIGH_Z);
- state->current_bandwidth = fep->u.ofdm.bandwidth;
- dib7000p_set_bandwidth(state, BANDWIDTH_TO_KHZ(fep->u.ofdm.bandwidth));
- /* maybe the parameter has been changed */
+ /* maybe the parameter has been changed */
state->sfn_workaround_active = buggy_sfn_workaround;
if (fe->ops.tuner_ops.set_params)
diff --git a/drivers/media/dvb/frontends/dibx000_common.h b/drivers/media/dvb/frontends/dibx000_common.h
index 5e17275afd25..84e4d5362922 100644
--- a/drivers/media/dvb/frontends/dibx000_common.h
+++ b/drivers/media/dvb/frontends/dibx000_common.h
@@ -128,6 +128,11 @@ enum dibx000_adc_states {
(v) == BANDWIDTH_7_MHZ ? 7000 : \
(v) == BANDWIDTH_6_MHZ ? 6000 : 8000 )
+#define BANDWIDTH_TO_INDEX(v) ( \
+ (v) == 8000 ? BANDWIDTH_8_MHZ : \
+ (v) == 7000 ? BANDWIDTH_7_MHZ : \
+ (v) == 6000 ? BANDWIDTH_6_MHZ : BANDWIDTH_8_MHZ )
+
/* Chip output mode. */
#define OUTMODE_HIGH_Z 0
#define OUTMODE_MPEG2_PAR_GATED_CLK 1