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Trent Piepho 19be685a4a V4L/DVB (4789): Lgdt330x: SNR and signal strength reporting 
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>
2006-12-10 08:51:09 -02:00
..
acorn
acpi Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2006-12-05 17:01:28 +00:00
amba [ARM] Fix __must_check warnings in drivers/bus/amba.c 2006-11-30 14:04:49 +00:00
ata [PATCH] libata: Incorrect timing computation for PIO5/6 2006-12-07 07:37:07 -05:00
atm [PATCH] atm/ambassador: use bitrev8 2006-12-08 08:28:40 -08:00
base Merge branch 'for-linus' of git://one.firstfloor.org/home/andi/git/linux-2.6 2006-12-07 08:59:11 -08:00
block [PATCH] struct path: convert nbd 2006-12-08 08:28:47 -08:00
bluetooth [PATCH] lockdep: annotate bcsp driver 2006-12-07 08:39:34 -08:00
cdrom [PATCH] drivers/cdrom/*: trivial vsnprintf() conversion 2006-12-07 08:39:35 -08:00
char Merge branch 'drm-patches' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2006-12-09 12:26:37 -08:00
clocksource [PATCH] time: re-add verify_pmtmr_rate 2006-12-08 08:28:37 -08:00
connector WorkStruct: make allyesconfig 2006-11-22 14:57:56 +00:00
cpufreq [PATCH] hotplug CPU: clean up hotcpu_notifier() use 2006-12-07 08:39:39 -08:00
crypto [CRYPTO] geode: Make needlessly global geode_aes_crypt() static 2006-12-06 18:38:53 -08:00
dio
dma [PATCH] slab: remove SLAB_KERNEL 2006-12-07 08:39:24 -08:00
edac [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
eisa
fc4
firmware
hid [PATCH] Generic HID layer - build 2006-12-08 10:43:20 -08:00
hwmon [PATCH] severing fs.h, radix-tree.h -> sched.h 2006-12-04 02:00:24 -05:00
i2c [PATCH] struct path: convert i2c-drivers 2006-12-08 08:28:45 -08:00
ide [PATCH] sl82c105: straighten up IDE control/status register caching 2006-12-08 08:29:03 -08:00
ieee1394 [PATCH] struct path: convert ieee1394 2006-12-08 08:28:46 -08:00
infiniband [PATCH] LOG2: Implement a general integer log2 facility in the kernel 2006-12-08 08:28:51 -08:00
input [PATCH] Generic HID layer - build 2006-12-08 10:43:20 -08:00
isdn [PATCH] ISDN: fix warnings 2006-12-08 08:29:01 -08:00
leds [PATCH] PCEngines WRAP LED Support 2006-12-07 08:39:36 -08:00
macintosh Merge rsync://rsync.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 2006-12-08 01:07:56 -05:00
mca
md [PATCH] make drivers/md/dm-snap.c:ksnapd static 2006-12-08 08:29:09 -08:00
media V4L/DVB (4789): Lgdt330x: SNR and signal strength reporting 2006-12-10 08:51:09 -02:00
message [PATCH] kernel-doc: fix fusion and i2o docs 2006-12-07 08:39:40 -08:00
mfd [PATCH] Add include/linux/freezer.h and move definitions from sched.h 2006-12-07 08:39:27 -08:00
misc [PATCH] tifm: fix NULL ptr and style 2006-12-07 08:39:33 -08:00
mmc Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc 2006-12-08 08:47:07 -08:00
mtd [PATCH] slab: remove SLAB_KERNEL 2006-12-07 08:39:24 -08:00
net [PATCH] Amiga PCMCIA NE2000 Ethernet dev->irq init 2006-12-09 09:41:18 -08:00
nubus
oprofile [PATCH] struct path: convert oprofile 2006-12-08 08:28:48 -08:00
parisc Fix misc .c/.h comment typos 2006-11-30 05:24:39 +01:00
parport [PATCH] parport: section mismatches with HOTPLUG=n 2006-12-07 08:39:40 -08:00
pci [PATCH] struct path: convert pci 2006-12-08 08:28:48 -08:00
pcmcia [PATCH] struct path: convert pcmcia 2006-12-08 08:28:48 -08:00
pnp [PATCH] struct path: convert isapnp 2006-12-08 08:28:46 -08:00
ps3 [POWERPC] ps3: multiplatform build fixes 2006-12-04 20:41:16 +11:00
rapidio
rtc [PATCH] rtc: ds1743 support 2006-12-07 08:39:43 -08:00
s390 Merge branch 'for-linus' of git://git390.osdl.marist.edu/pub/scm/linux-2.6 2006-12-08 11:21:55 -08:00
sbus [PATCH] struct path: convert sbus 2006-12-08 08:28:49 -08:00
scsi [PATCH] Sun3 SCSI: Make sun3 scsi drivers compile/work again 2006-12-09 09:41:18 -08:00
serial [PATCH] tty: switch to ktermios 2006-12-08 08:28:57 -08:00
sh
sn
spi [PATCH] spi: check platform_device_register_simple() error 2006-12-07 08:39:42 -08:00
tc [PATCH] tty: switch to ktermios 2006-12-08 08:28:57 -08:00
telephony [PATCH] struct path: convert ixj 2006-12-08 08:28:46 -08:00
usb [PATCH] Generic HID layer - build 2006-12-08 10:43:20 -08:00
video [PATCH] video: neofb stray bracket fix 2006-12-08 08:29:08 -08:00
w1 [PATCH] better CONFIG_W1_SLAVE_DS2433_CRC handling 2006-12-07 08:39:43 -08:00
zorro [PATCH] struct path: convert zorro 2006-12-08 08:28:50 -08:00
Kconfig [PATCH] Generic HID layer - build 2006-12-08 10:43:20 -08:00
Makefile [PATCH] Generic HID layer - build 2006-12-08 10:43:20 -08:00