diff options
Diffstat (limited to 'Documentation/spi')
| -rw-r--r-- | Documentation/spi/spidev_test.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/Documentation/spi/spidev_test.c b/Documentation/spi/spidev_test.c index 16feda901469..efd7385e907f 100644 --- a/Documentation/spi/spidev_test.c +++ b/Documentation/spi/spidev_test.c @@ -81,7 +81,9 @@ static void print_usage(const char *prog) " -O --cpol clock polarity\n" " -L --lsb least significant bit first\n" " -C --cs-high chip select active high\n" - " -3 --3wire SI/SO signals shared\n"); + " -3 --3wire SI/SO signals shared\n" + " -N --no-cs no chip select\n" + " -R --ready slave pulls low to pause\n"); exit(1); } |