From 78f3bc631f39fbfa4eaf039f0664265e71f725fb Mon Sep 17 00:00:00 2001 From: Patrick Boettcher Date: Mon, 17 Aug 2009 12:53:51 -0300 Subject: [PATCH] V4L/DVB (12903): DiB8000: fix channel search parameter initialization This patch is fixing the initialization of the channel search parameters. Signed-off-by: Olivier Grenie Signed-off-by: Patrick Boettcher Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/frontends/dib8000.c | 24 +++++++++++------------- 1 file changed, 11 insertions(+), 13 deletions(-) diff --git a/drivers/media/dvb/frontends/dib8000.c b/drivers/media/dvb/frontends/dib8000.c index 99ee6b0..852c790 100644 --- a/drivers/media/dvb/frontends/dib8000.c +++ b/drivers/media/dvb/frontends/dib8000.c @@ -22,7 +22,7 @@ #define FE_CALLBACK_TIME_NEVER 0xffffffff -static int debug = 0; +static int debug; module_param(debug, int, 0644); MODULE_PARM_DESC(debug, "turn on debugging (default: 0)"); @@ -1671,10 +1671,6 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) int slist = 0; - state->fe.dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K; - state->fe.dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8; - //state->fe.dtv_property_cache.isdbt_sb_mode = 0; - //state->fe.dtv_property_cache.isdbt_partial_reception = 0; state->fe.dtv_property_cache.inversion = 0; if (!state->fe.dtv_property_cache.isdbt_sb_mode) state->fe.dtv_property_cache.layer[0].segment_count = 13; @@ -1684,6 +1680,8 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) //choose the right list, in sb, always do everything if (state->fe.dtv_property_cache.isdbt_sb_mode) { + state->fe.dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K; + state->fe.dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8; slist = 7; dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); } else { @@ -1691,22 +1689,21 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) if (state->fe.dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) { slist = 7; dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1 to have autosearch start ok with mode2 - } else { + } else slist = 3; - state->fe.dtv_property_cache.transmission_mode = state->fe.dtv_property_cache.transmission_mode; - } } else { if (state->fe.dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) { slist = 2; - state->fe.dtv_property_cache.guard_interval = state->fe.dtv_property_cache.guard_interval; dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1 - } else { + } else slist = 0; - state->fe.dtv_property_cache.transmission_mode = state->fe.dtv_property_cache.transmission_mode; - state->fe.dtv_property_cache.guard_interval = state->fe.dtv_property_cache.guard_interval; - } } + if (state->fe.dtv_property_cache.transmission_mode == TRANSMISSION_MODE_AUTO) + state->fe.dtv_property_cache.transmission_mode = TRANSMISSION_MODE_8K; + if (state->fe.dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) + state->fe.dtv_property_cache.guard_interval = GUARD_INTERVAL_1_8; + dprintk("using list for autosearch : %d", slist); dib8000_set_channel(state, (unsigned char)slist, 1); //dib8000_write_word(state, 0, (dib8000_read_word(state, 0) & 0x9fff) | (1 << 13)); // P_mode = 1 @@ -1733,6 +1730,7 @@ static int dib8000_autosearch_start(struct dvb_frontend *fe) dib8000_write_word(state, 0, (u16) ((1 << 15) | value)); dib8000_read_word(state, 1284); // reset the INT. n_irq_pending dib8000_write_word(state, 0, (u16) value); + } return 0; -- 2.7.4