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+.. SPDX-License-Identifier: GPL-2.0
+
+The saa7134 driver
+==================
+
+Author Gerd Hoffmann
+
+
+Card Variations:
+----------------
+
+Cards can use either of these two crystals (xtal):
+
+- 32.11 MHz -> .audio_clock=0x187de7
+- 24.576MHz -> .audio_clock=0x200000 (xtal * .audio_clock = 51539600)
+
+Some details about 30/34/35:
+
+- saa7130 - low-price chip, doesn't have mute, that is why all those
+ cards should have .mute field defined in their tuner structure.
+
+- saa7134 - usual chip
+
+- saa7133/35 - saa7135 is probably a marketing decision, since all those
+ chips identifies itself as 33 on pci.
+
+LifeView GPIOs
+--------------
+
+This section was authored by: Peter Missel <peter.missel@onlinehome.de>
+
+- LifeView FlyTV Platinum FM (LR214WF)
+
+ - GP27 MDT2005 PB4 pin 10
+ - GP26 MDT2005 PB3 pin 9
+ - GP25 MDT2005 PB2 pin 8
+ - GP23 MDT2005 PB1 pin 7
+ - GP22 MDT2005 PB0 pin 6
+ - GP21 MDT2005 PB5 pin 11
+ - GP20 MDT2005 PB6 pin 12
+ - GP19 MDT2005 PB7 pin 13
+ - nc MDT2005 PA3 pin 2
+ - Remote MDT2005 PA2 pin 1
+ - GP18 MDT2005 PA1 pin 18
+ - nc MDT2005 PA0 pin 17 strap low
+ - GP17 Strap "GP7"=High
+ - GP16 Strap "GP6"=High
+
+ - 0=Radio 1=TV
+ - Drives SA630D ENCH1 and HEF4052 A1 pinsto do FM radio through
+ SIF input
+
+ - GP15 nc
+ - GP14 nc
+ - GP13 nc
+ - GP12 Strap "GP5" = High
+ - GP11 Strap "GP4" = High
+ - GP10 Strap "GP3" = High
+ - GP09 Strap "GP2" = Low
+ - GP08 Strap "GP1" = Low
+ - GP07.00 nc
+
+Credits
+-------
+
+andrew.stevens@philips.com + werner.leeb@philips.com for providing
+saa7134 hardware specs and sample board.