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From: Matthias Schwarzott <zzam@gentoo.org>
This patch changes most frontend drivers to allocate their state structure via
kzalloc and not kmalloc. This is done to properly initialize the
embedded "struct dvb_frontend frontend" field, that they all have.
The visible effect of this struct being uninitalized is, that the member "id"
that is used to set the name of kernel thread is totally random.
Some board drivers (for example cx88-dvb) set this "id" via
videobuf_dvb_alloc_frontend but most do not.
So I at least get random id values for saa7134, flexcop and ttpci based cards.
It looks like this in dmesg:
DVB: registering adapter 1 frontend -10551321 (ST STV0299 DVB-S)
The related kernel thread then also gets a strange name
like "kdvb-ad-1-fe--1".
Priority: normal
Signed-off-by: Matthias Schwarzott <zzam@gentoo.org>
CC: Michael Krufky <mkrufky@linuxtv.org>
CC: Steven Toth <stoth@linuxtv.org>
CC: Timothy Lee <timothy.lee@siriushk.com>
CC: Igor M. Liplianin <liplianin@me.by>
Acked-by: Andreas Oberritter <obi@linuxtv.org>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
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From: Devin Heitmueller <devin.heitmueller@gmail.com>
Place the s5h1411 into low power mode until first use (to handle the case where
the user plugs in the device and then doesn't use it for a while). On the
Pinnacle 801e, this brings the power usage from 126ma down to 82ma.
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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From: Devin Heitmueller <devin.heitmueller@gmail.com>
Power down the s5h1411 demodulator when not in use (on the Pinnacle 801e, this
brings idle power from 123ma down to 84ma).
Priority: normal
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Acked-by: Steven Toth <stoth@linuxtv.org>
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modulation
From: Devin Heitmueller <devin.heitmueller@gmail.com>
If we are already at the desired modulation, there is no need to reconfigure
the demod (at a tuning time cost)
Note that this change revealed that although the datasheet says the demod
starts out in VSB-8 mode, the first tuning was failing consistently unless
we went through the work of setting the registers. So add a field to denote
this case so we always do the enable_frontend call, even if the first tuning
request is for VSB-8.
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Steven Toth <stoth@linuxtv.org>
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From: Devin Heitmueller <devin.heitmueller@gmail.com>
If you instruct the tuner to change frequencies, it can take up to 2500ms to
get a demod lock. By performing a soft reset after the tuning call (which
is consistent with how the Pinnacle 801e Windows driver behaves), you get
a demod lock inside of 300ms
Priority: normal
Signed-off-by: Devin Heitmueller <devin.heitmueller@gmail.com>
Reviewed-by: Michael Krufky <mkrufky@linuxtv.org>
Acked-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@linuxtv.org>
s5h1411: Remove meaningless code
Priority: normal
Signed-off-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@linuxtv.org>
Adding a serialmode function to read/and/or/write the register for safety.
Priority: normal
Signed-off-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@linuxtv.org>
This includes new bit definitions for previously unknown bits.
Priority: normal
Signed-off-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@linuxtv.org>
This should improve performance.
Priority: normal
Signed-off-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@linuxtv.org>
s5h1411: Improvements to the default registers
Priority: normal
Signed-off-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@linuxtv.org>
s5h1411: Checkpatch compliance
Priority: normal
Signed-off-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@hauppauge.com>
I need this so I can better isolate my linux email from my
corporate email.
Priority: normal
Signed-off-by: Steven Toth <stoth@linuxtv.org>
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From: Steven Toth <stoth@hauppauge.com>
If apps pass QAM_AUTO then we need to obey it.
Priority: normal
Signed-off-by: Steven Toth <stoth@hauppauge.com>
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From: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
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From: Steven Toth <stoth@hauppauge.com>
This adds full support for this demodulator.
Signed-off-by: Steven Toth <stoth@hauppauge.com>
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