diff options
Diffstat (limited to 'include/spi.h')
-rw-r--r-- | include/spi.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/spi.h b/include/spi.h index ba2c8406b2e..18a0312f9f8 100644 --- a/include/spi.h +++ b/include/spi.h @@ -561,7 +561,8 @@ int spi_chip_select(struct udevice *slave); * @bus: SPI bus to search * @cs: Chip select to look for * @devp: Returns the slave device if found - * @return 0 if found, -ENODEV on error + * @return 0 if found, -EINVAL if cs is invalid, -ENODEV if no device attached, + * other -ve value on error */ int spi_find_chip_select(struct udevice *bus, int cs, struct udevice **devp); |