V4L/DVB (9462): Allow specifying clock per device

Optimizations galore: Blistering barnacles! The KNC1 and friends
like 90 Mhz clock much better rather than running at a higher
throttle, for almost similar hardware. he exact cause unknown,
possibly due to a lower voltage applied for the demod power supply.

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

2 files changed, 6 insertions, 0 deletions

diff --git a/drivers/media/dvb/ttpci/budget-av.c b/drivers/media/dvb/ttpci/budget-av.c
index 24123715f197..f996cef79ec1 100644
--- a/drivers/media/dvb/ttpci/budget-av.c
+++ b/drivers/media/dvb/ttpci/budget-av.c
@@ -1127,6 +1127,9 @@ static struct stb0899_config knc1_dvbs2_config = {
         .xtal_freq              = 27000000,
         .inversion              = IQ_SWAP_OFF, /* 1 */
 
+        .lo_clk                 = 76500000,
+        .hi_clk                 = 90000000,
+
         .esno_ave               = STB0899_DVBS2_ESNO_AVE,
         .esno_quant             = STB0899_DVBS2_ESNO_QUANT,
         .avframes_coarse        = STB0899_DVBS2_AVFRAMES_COARSE,
diff --git a/drivers/media/dvb/ttpci/budget-ci.c b/drivers/media/dvb/ttpci/budget-ci.c
index ebe8210b123d..497f584e1bd6 100644
--- a/drivers/media/dvb/ttpci/budget-ci.c
+++ b/drivers/media/dvb/ttpci/budget-ci.c
@@ -1312,6 +1312,9 @@ static struct stb0899_config tt3200_config = {
         .xtal_freq              = 27000000,
         .inversion              = IQ_SWAP_ON, /* 1 */
 
+        .lo_clk                 = 76500000,
+        .hi_clk                 = 99000000,
+
         .esno_ave               = STB0899_DVBS2_ESNO_AVE,
         .esno_quant             = STB0899_DVBS2_ESNO_QUANT,
         .avframes_coarse        = STB0899_DVBS2_AVFRAMES_COARSE,