From: Guenter Roeck <linux@roeck-us.net>
To: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
"Benson Leung" <bleung@chromium.org>,
"Dmitry Torokhov" <dmitry.torokhov@gmail.com>,
"Thierry Reding" <thierry.reding@gmail.com>,
"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
"Lee Jones" <lee.jones@linaro.org>,
"Gwendal Grignou" <gwendal@chromium.org>,
"Yu-Hsuan Hsu" <yuhsuan@chromium.org>,
"Prashant Malani" <pmalani@chromium.org>,
linux-iio@vger.kernel.org, linux-input@vger.kernel.org,
linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org,
"Guenter Roeck" <linux@roeck-us.net>,
"Brian Norris" <briannorris@chromium.org>
Subject: [PATCH v5 1/7] iio: cros_ec: Accept -EOPNOTSUPP as 'not supported' error code
Date: Sat, 22 Aug 2020 08:08:51 -0700 [thread overview]
Message-ID: <20200822150857.205775-2-linux@roeck-us.net> (raw)
In-Reply-To: <20200822150857.205775-1-linux@roeck-us.net>
A follow-up patch will extend the number of errors reported by
cros_ec_cmd_xfer_status(). Specifically, the function will return
-EOPNOTSUPP if a command is not supported by the EC. Prepare for it.
Cc: Gwendal Grignou <gwendal@chromium.org>
Cc: Yu-Hsuan Hsu <yuhsuan@chromium.org>
Cc: Prashant Malani <pmalani@chromium.org>
Cc: Brian Norris <briannorris@chromium.org>
Acked-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Reviewed-by: Brian Norris <briannorris@chromium.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
---
v5: No change
v4: No change
v3: No change
v2: No change
drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
index 130ab8ce0269..d71e9064c789 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
@@ -73,7 +73,7 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev,
st->core.param.sensor_offset.flags = 0;
ret = cros_ec_motion_send_host_cmd(&st->core, 0);
- if (ret == -EPROTO) {
+ if (ret == -EPROTO || ret == -EOPNOTSUPP) {
/* Reading calibscale is not supported on older EC. */
*val = 1;
*val2 = 0;
--
2.17.1
next prev parent reply other threads:[~2020-08-22 15:09 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-08-22 15:08 [PATCH v5 0/7] platform/chrome: cros_ec_proto: Convert EC error codes to Linux error codes Guenter Roeck
2020-08-22 15:08 ` Guenter Roeck [this message]
2020-08-22 15:08 ` [PATCH v5 2/7] cros_ec_lightbar: Accept more error codes from cros_ec_cmd_xfer_status Guenter Roeck
2020-08-22 15:08 ` [PATCH v5 3/7] platform/chrome: cros_ec_sysfs: Report range of error codes from EC Guenter Roeck
2020-08-22 15:08 ` [PATCH v5 4/7] pwm: cros-ec: Accept more error codes from cros_ec_cmd_xfer_status Guenter Roeck
2020-08-22 15:08 ` [PATCH v5 5/7] platform/input: cros_ec: Replace -ENOTSUPP with -ENOPROTOOPT Guenter Roeck
2020-08-22 15:08 ` [PATCH v5 6/7] platform/chrome: cros_ec_proto: Convert EC error codes to Linux error codes Guenter Roeck
2020-08-22 15:08 ` [PATCH v5 7/7] pwm: cros-ec: Simplify EC error handling Guenter Roeck
2020-09-01 9:10 ` [PATCH v5 0/7] platform/chrome: cros_ec_proto: Convert EC error codes to Linux error codes Enric Balletbo i Serra
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