Commit Graph

8 Commits

Author SHA1 Message Date
Manu Abraham
40e8ce3dba V4L/DVB (9457): Optimization, Fix a Bug
* cut down some I/O operations by disabling "disable gate"
* budget_av was left with the gate open, thereby more susceptible
to RF interference due to I/O operations

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:23 -02:00
Arvo Jarve
1e3d8abe6d V4L/DVB (9433): Limit bandwidth with a 3dB response fall
In this case, we will be sure that there exists a carrier
and the center frequency would be simply f1 - f2. In such
a circumstance, the TR loop is simplified to doing a simple
check for timing, rather than searching for the same.

Signed-off-by: Arvo Jarve <arvo@softshark.ee>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:20 -02:00
Manu Abraham
cf6efeb670 V4L/DVB (9419): Bug: unnecessary large current causes large phasor errors
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:18 -02:00
Manu Abraham
f6e6382764 V4L/DVB (9408): tda8261: check status to avoid lock loss
We need to check for tuner LOCK LOSS, especially in the case of simple PLL's

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:17 -02:00
Manu Abraham
c7d85a2deb V4L/DVB (9397): fix some bugs at tda8261
Fix bug obviously, some enhancements as well

* enable i2c_gate before doing any transaction
* read is one single message with 2 words
* reduce sleep from 100mS to 20mS

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:16 -02:00
Manu Abraham
41e1151b33 V4L/DVB (9395): Add initial support for two KNC1 DVB-S2 boards
Add initial support for:
* KNC1 DVB-S2 Plus
* KNC1 DVB-S2 OEM (known as Satelco DVB-S2)

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:15 -02:00
Manu Abraham
0b8f15dceb V4L/DVB (9394): cache last successful state
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:15 -02:00
Manu Abraham
00360205b9 V4L/DVB (9392): initial go at TDA8261 tuner
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2008-12-29 17:53:15 -02:00