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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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