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V4L/DVB (12903): DiB8000: fix channel search parameter initialization
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This patch is fixing the initialization of the channel search parameters.

Signed-off-by: Olivier Grenie <olivier.grenie@dibcom.fr>
Signed-off-by: Patrick Boettcher <pboettcher@dibcom.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Patrick Boettcher authored and Mauro Carvalho Chehab committed Sep 19, 2009
1 parent b8423ee commit 78f3bc6
Showing 1 changed file with 11 additions and 13 deletions.
24 changes: 11 additions & 13 deletions drivers/media/dvb/frontends/dib8000.c
Original file line number Diff line number Diff line change
Expand Up @@ -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)");

Expand Down Expand Up @@ -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;
Expand All @@ -1684,29 +1680,30 @@ 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 {
if (state->fe.dtv_property_cache.guard_interval == GUARD_INTERVAL_AUTO) {
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
Expand All @@ -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;
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