So that callers of cros_ec_cmd_xfer() don't have to repeat boilerplate
code when checking for errors from the EC side.
Signed-off-by: NTomeu Vizoso <tomeu.vizoso@collabora.com>
Reviewed-by: NBenson Leung <bleung@chromium.org>
Signed-off-by: NBrian Norris <briannorris@chromium.org>
Acked-by: NLee Jones <lee.jones@linaro.org>
Tested-by: NEnric Balletbo i Serra <enric.balletbo@collabora.com>
Signed-off-by: NThierry Reding <thierry.reding@gmail.com>