summaryrefslogtreecommitdiff
path: root/drivers/leds/leds-cros_ec.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/leds/leds-cros_ec.c')
-rw-r--r--drivers/leds/leds-cros_ec.c26
1 files changed, 6 insertions, 20 deletions
diff --git a/drivers/leds/leds-cros_ec.c b/drivers/leds/leds-cros_ec.c
index 275522b81ea5..bea3cc3fbfd2 100644
--- a/drivers/leds/leds-cros_ec.c
+++ b/drivers/leds/leds-cros_ec.c
@@ -60,31 +60,18 @@ static inline struct cros_ec_led_priv *cros_ec_led_cdev_to_priv(struct led_class
union cros_ec_led_cmd_data {
struct ec_params_led_control req;
struct ec_response_led_control resp;
-} __packed;
+};
static int cros_ec_led_send_cmd(struct cros_ec_device *cros_ec,
union cros_ec_led_cmd_data *arg)
{
int ret;
- struct {
- struct cros_ec_command msg;
- union cros_ec_led_cmd_data data;
- } __packed buf = {
- .msg = {
- .version = 1,
- .command = EC_CMD_LED_CONTROL,
- .insize = sizeof(arg->resp),
- .outsize = sizeof(arg->req),
- },
- .data.req = arg->req
- };
-
- ret = cros_ec_cmd_xfer_status(cros_ec, &buf.msg);
+
+ ret = cros_ec_cmd(cros_ec, 1, EC_CMD_LED_CONTROL, &arg->req,
+ sizeof(arg->req), &arg->resp, sizeof(arg->resp));
if (ret < 0)
return ret;
- arg->resp = buf.data.resp;
-
return 0;
}
@@ -155,9 +142,6 @@ static int cros_ec_led_count_subleds(struct device *dev,
}
}
- if (!num_subleds)
- return -EINVAL;
-
*max_brightness = common_range;
return num_subleds;
}
@@ -202,6 +186,8 @@ static int cros_ec_led_probe_one(struct device *dev, struct cros_ec_device *cros
&priv->led_mc_cdev.led_cdev.max_brightness);
if (num_subleds < 0)
return num_subleds;
+ if (num_subleds == 0)
+ return 0; /* LED without any colors, skip */
priv->cros_ec = cros_ec;
priv->led_id = id;