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Update the SNR calculations to use the new dvb_math log function, and add
SNR calculations for all supported modulations for both lg dt3302 and dt3303.
The QAM equations don't appear in the dt3302 datasheet, so the ones from the
dt3303 datasheet were used.
SNR returned is the actual value in dB as 8.8 fixed point.
Reporting of real signal strength isn't supported, so rather than return 0,
which confuses some software and users, a re-scaled SNR value is returned.
Code originally by Rusty Scott.
Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Rusty Scott <rustys@ieee.org>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Signed-off-by: Adrian Bunk <bunk@stusta.de>
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- fix missing line in VSB snr decoding logic for lgdt3303
Signed-off-by: Mac Michaels <wmichaels@earthlink.net>
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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pointer field inside dvb_frontend
The dvb_frontend_ops is a pointer inside dvb_frontend. That's why every demod-driver
is having a field of dvb_frontend_ops in its private-state-struct and
using the reference for filling the pointer-field in dvb_frontend.
- It saves at least two lines of code per demod-driver,
- reduces object size (one less dereference per frontend_ops-access),
- be coherent with dvb_tuner_ops,
- makes it a little bit easier for newbies to understand how it works and
- avoids stupid mistakes because you would have to copy the dvb_frontend_ops
always, before you could assign the static pointer directly, which was
dangerous.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Convert to tuner_ops calls.
Remove pll function pointers from structure.
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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- pcHDTV HD5500 ATSC/QAM uses LG DT3303
Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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Conversions from kmalloc+memset to k(z|c)alloc.
Signed-off-by: Panagiotis Issaris <takis@issaris.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
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- Add DViCO Bluebird firmware to dvb_get_firmware script,
for FusionHDTV USB devices.
- Use usb alt setting 0 for EP4 transfer (dvb-t),
- Use usb alt setting 7 for EP2 transfer (atsc)
- Added comment to lgdt330x.c to indicate support for
DViCO FusionHDTV5 USB Gold.
Thanks to: Jeff Lee <JeffLee@dvico.com>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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- digitv_ctrl_msg() if (wo) test is reversed. fixed.
- usb timeout is in Hz, not in jiffies.
- NULL replaced by 0 to be coherent.
- removed uneeded headers.
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
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Clean up whitespaces at v4l/dvb files
Signed-off-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Correct QAM symbol_rate_min for lgdt3302 and lgdt3303
Thanks to: Mac Michaels and Steve Malenfant
Signed-off-by: Mac Michaels <wmichaels1@earthlink.net>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Added support for Air2PC/AirStar 2 ATSC 3rd generation (HD5000)
Signed-off-by: Taylor Jacob <rtjacob@earthlink.net>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Added ATSC support for DViCO FusionHDTV5 Lite.
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Cc: Johannes Stezenbach <js@linuxtv.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This is the drivers/media/ part of the big kfree cleanup patch.
Remove pointless checks for NULL prior to calling kfree() in drivers/media/.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Cc: Johannes Stezenbach <js@linuxtv.org>
Cc: Michael Krufky <mkrufky@m1k.net>
Cc: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Acked-by : Manu Abraham <manu@linuxtv.org>
Acked-by: Andreas Oberritter <obi@linuxtv.org>
Acked-by: Wilson Michaels <wilsonmichaels@earthlink.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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I recently picked up my older work to remove unnecessary #includes of
sched.h, starting from a patch by Dave Jones to not include sched.h
from module.h. This reduces the number of indirect includes of sched.h
by ~300. Another ~400 pointless direct includes can be removed after
this disentangling (patch to follow later).
However, quite a few indirect includes need to be fixed up for this.
In order to feed the patches through -mm with as little disturbance as
possible, I've split out the fixes I accumulated up to now (complete for
i386 and x86_64, more archs to follow later) and post them before the real
patch. This way this large part of the patch is kept simple with only
adding #includes, and all hunks are independent of each other. So if any
hunk rejects or gets in the way of other patches, just drop it. My scripts
will pick it up again in the next round.
Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Most of the patch is whitespace cleanup, but more importantly, this patch
checks to see whether a callback is set before calling it. On cx88 boards
(currently the only boards using lgdt330x in 2.6.13) every callback is set.
However, newer drivers currently in development leave a callback undefined,
and lgdt330x must not call it if it isn't defined.
Signed-off-by: Patrick Boettcher <pb@linuxtv.org>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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This patch removes the tda9887 stuff from lgdt330x.c. It's experimental code
which wasn't supposed to leak out and we don't want it in 2.6.13.
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Acked-by: Mauro Carvalho Chehab <mchehab@brturbo.com.br>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Two trivial text changes in Kconfig and lgdt330x.c
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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- Structural changes within lgdt330x driver, framework now supports
both chips... tested OK on lgdt3302 and lgdt3303.
- Add LG/TUA6034 dvb_pll_desc for ATSC with LG TDVS-H062F & DViCO FusionHDTV5.
- Fixed LGDT330X signal strength: For now, always set it to 0.
- Corrected LGDT330X boundary condition error in read_snr: dB calculation.
Signed-off-by: Mac Michaels <wmichaels1@earthlink.net>
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Rename lgdt3302 to lgdt330x, to make way for the addition of lgdt3303
support in future revisions.
I am changing the name of this module now so that hopefully the name will
be changed before the release of 2.6.13 ... It wouldn't make sense to
release 2.6.13 with the name lgdt3302 in it, which will only be renamed to
lgdt330x in later versions.
Signed-off-by: Michael Krufky <mkrufky@m1k.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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