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V4L/DVB (9442): Revert back previous change to 90MHz 

Note:
* At High Symbol Rates we do not have enouph machine cycles to handle the
  incoming symbols and hence might run into problems at the very end of the
  specified definition
* Most of the equations have been calculated for a master clock of 99 MHz,
  running at 90MHz, raises lot of issues such as the need to recalculate
  all of them , which is eventually very painful.

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Manu Abraham 2007-11-19 16:44:47 -03:00 committed by Mauro Carvalho Chehab
parent 07b9bf7de5
commit f2e52cd176
2 changed files with 2 additions and 2 deletions
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2
drivers/media/dvb/ttpci/budget-av.c
View File

@ -965,7 +965,7 @@ static const struct stb0899_s1_reg knc1_stb0899_s1_init_1[] = {
{ STB0899_GPIO37CFG , 0x82 },
{ STB0899_GPIO38CFG , 0x82 },
{ STB0899_GPIO39CFG , 0x82 },
{ STB0899_NCOARSE , 0x13 }, /* 0x13 = 27 Mhz Clock, F/3 = 180MHz, F/6 = 90MHz */
{ STB0899_NCOARSE , 0x15 }, /* 0x15 = 27 Mhz Clock, F/3 = 198MHz, F/6 = 99MHz */
{ STB0899_SYNTCTRL , 0x02 }, /* 0x00 = CLK from CLKI, 0x02 = CLK from XTALI */
{ STB0899_FILTCTRL , 0x00 },
{ STB0899_SYSCTRL , 0x00 },

2
drivers/media/dvb/ttpci/budget-ci.c
View File

@ -1154,7 +1154,7 @@ static const struct stb0899_s1_reg tt3200_stb0899_s1_init_1[] = {
{ STB0899_GPIO37CFG , 0x82 },
{ STB0899_GPIO38CFG , 0x82 },
{ STB0899_GPIO39CFG , 0x82 },
{ STB0899_NCOARSE , 0x13 }, /* 0x13 = 27 Mhz Clock, F/3 = 180MHz, F/6 = 90MHz */
{ STB0899_NCOARSE , 0x15 }, /* 0x15 = 27 Mhz Clock, F/3 = 198MHz, F/6 = 99MHz */
{ STB0899_SYNTCTRL , 0x02 }, /* 0x00 = CLK from CLKI, 0x02 = CLK from XTALI */
{ STB0899_FILTCTRL , 0x00 },
{ STB0899_SYSCTRL , 0x00 },