The patch number 8993 was added via Igor M. Liplianin <[EMAIL PROTECTED]>
to http://linuxtv.org/hg/v4l-dvb master development tree.
Kernel patches in this development tree may be modified to be backward
compatible with older kernels. Compatibility modifications will be
removed before inclusion into the mainstream Kernel
If anyone has any objections, please let us know by sending a message to:
[EMAIL PROTECTED]
------
From: Igor M. Liplianin <[EMAIL PROTECTED]>
cx24116: Fix lock for high (above 30000 kSyms) symbol rates
cx24116: Fix lock for high (above 30000 kSyms) symbol rates
Signed-off-by: Igor M. Liplianin <[EMAIL PROTECTED]>
---
linux/drivers/media/dvb/frontends/cx24116.c | 37 ++++++++++++++++----
1 file changed, 31 insertions(+), 6 deletions(-)
diff -r 49c174f134f8 -r c16df309144f linux/drivers/media/dvb/frontends/cx24116.c
--- a/linux/drivers/media/dvb/frontends/cx24116.c Tue Sep 09 17:29:43
2008 +0300
+++ b/linux/drivers/media/dvb/frontends/cx24116.c Tue Sep 09 19:22:29
2008 +0300
@@ -29,6 +29,11 @@
* August
* 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>
@@ -809,7 +814,7 @@ static int cx24116_set_frontend(struct d
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 d
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 d
cmd.args[0x0b] = 0x00;
cmd.args[0x0c] = 0x02;
cmd.args[0x0d] = state->dcur.fec_mask;
- cmd.args[0x0e] = 0x06;
- cmd.args[0x0f] = 0x00;
- cmd.args[0x10] = 0x00;
- cmd.args[0x11] = 0xFA;
- cmd.args[0x12] = 0x24;
+
+ 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
---
Patch is available at:
http://linuxtv.org/hg/v4l-dvb/rev/c16df309144fe4971cbdbb1e6fb67eb6df0ec727
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