From 904a82e3e27b57a2518f7575c0cab9b6aaddc422 Mon Sep 17 00:00:00 2001 From: Patrick Boettcher Date: Fri, 25 Jan 2008 07:31:58 -0300 Subject: [PATCH] V4L/DVB (7074): DiB7000P: correct tuning problem for 7MHz channel Tuning problem for 7Mhz channels fixes Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/dib7000p.c | 10 ++++------ drivers/media/dvb/frontends/dibx000_common.h | 5 +++++ 2 files changed, 9 insertions(+), 6 deletions(-) diff --git a/drivers/media/dvb/frontends/dib7000p.c b/drivers/media/dvb/frontends/dib7000p.c index 0396a6f31e..47c23e2975 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 5e17275afd..84e4d53629 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 -- 2.39.5