staging: pi433: add missing register contants

add missing register constants present in RFM69 and/or RFM69HW so that
we don't need to hardcode values when referencing them.

this patch adds REG_TESTLNA, REG_TESTAFC constants

Signed-off-by: Paulo Miguel Almeida <paulo.miguel.almeida.rodenas@gmail.com>
Link: https://lore.kernel.org/r/20220124042636.GA7962@mail.google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: Use the correct style for SPDX License Identifier

This patch corrects the SPDX License Identifier style in
header files related to pi433 radio module drivers.
It assigns explicit block comment to the SPDX License Identifier.

Changes made by using a script provided by Joe Perches here:
https://lkml.org/lkml/2019/2/7/46.

Suggested-by: Joe Perches <joe@perches.com>
Signed-off-by: Nishad Kamdar <nishadkamdar@gmail.com>
Link: https://lore.kernel.org/r/20200208083621.GA3797@nishad
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: fix misspelling of packet

Fixes the misspelling of packet in
<MASK_PACKETCONFIG1_PAKET_FORMAT_VARIABLE>

Signed-off-by: Yannick Loeck <yannick.loeck@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: remove GPL boiler plate text

The SPDX identifier is a legally binding shorthand,
which can be used instead of the full boiler plate text.

All source and header files have SPDX identifiers.
Remove the GPL boiler plate text to reduce file size.

Signed-off-by: Michael Straube <straube.linux@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: add SPDX-License-Identifier tag

Use GPL-2.0+ based on the license text in each of the files.

Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: remove multiple blank lines

Fixes checkpatch warning for multiple blank lines in source.

Signed-off-by: Valentin Vidic <Valentin.Vidic@CARNet.hr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: Capitalize constant definitions

Fixes checkpatch.pl warnings "Avoid CamelCase <DIO_x>".

Signed-off-by: Simon Sandström <simon@nikanor.nu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: Style fix - align block comments

Fixed the alignment of block comments
Found using checkpatch

Signed-off-by: Derek Robson <robsonde@gmail.com>
Reviewed-by: Marcus Wolf <linux@wolf-entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

staging: pi433: New driver

Added a driver for the pi433 radio module
(see https://www.pi433.de/en.html for details).

Signed-off-by: Marcus Wolf <linux@Wolf-Entwicklungen.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>