spi: spidev_test: output to a file

For testing of larger data transfers, output unmodified data
directly to a file.

Signed-off-by: Joshua Clayton <stillcompiling@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Joshua Clayton 2015-11-18 14:30:40 -08:00 • committed by Mark Brown
commit 983b27886a