Commit 3f8e51ad authored by Igor M. Liplianin's avatar Igor M. Liplianin Committed by Mauro Carvalho Chehab

V4L/DVB (8993): cx24116: Fix lock for high (above 30000 kSyms) symbol rates

cx24116: Fix lock for high (above 30000 kSyms) symbol rates
Signed-off-by: default avatarIgor M. Liplianin <liplianin@me.by>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@redhat.com>
parent 4e546768
......@@ -30,6 +30,11 @@
* Sync with legacy version.
* Some clean ups.
*/
/* Updates by Igor Liplianin
*
* September, 9th 2008
* Fixed locking on high symbol rates (>30000).
*/
#include <linux/slab.h>
#include <linux/kernel.h>
......@@ -809,7 +814,7 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
struct tv_frontend_properties *c = &fe->tv_property_cache;
struct cx24116_cmd cmd;
fe_status_t tunerstat;
int ret;
int ret, above30msps;
u8 retune=4;
dprintk("%s()\n",__func__);
......@@ -839,6 +844,16 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
if (state->config->set_ts_params)
state->config->set_ts_params(fe, 0);
above30msps = (state->dcur.symbol_rate > 30000000);
if (above30msps){
cx24116_writereg(state, 0xF9, 0x01);
cx24116_writereg(state, 0xF3, 0x44);
} else {
cx24116_writereg(state, 0xF9, 0x00);
cx24116_writereg(state, 0xF3, 0x46);
}
/* Prepare a tune request */
cmd.args[0x00] = CMD_TUNEREQUEST;
......@@ -866,11 +881,21 @@ static int cx24116_set_frontend(struct dvb_frontend* fe, struct dvb_frontend_par
cmd.args[0x0b] = 0x00;
cmd.args[0x0c] = 0x02;
cmd.args[0x0d] = state->dcur.fec_mask;
if (above30msps){
cmd.args[0x0e] = 0x04;
cmd.args[0x0f] = 0x00;
cmd.args[0x10] = 0x01;
cmd.args[0x11] = 0x77;
cmd.args[0x12] = 0x36;
} else {
cmd.args[0x0e] = 0x06;
cmd.args[0x0f] = 0x00;
cmd.args[0x10] = 0x00;
cmd.args[0x11] = 0xFA;
cmd.args[0x12] = 0x24;
}
cmd.len= 0x13;
/* We need to support pilot and non-pilot tuning in the
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment