On Fri, Jul 3, 2020 at 3:19 PM Yu-Hsuan Hsu <yuhsuan@xxxxxxxxxxxx> wrote:
> Log results of failed EC commands to identify a problem more easily.
>
> Replace cros_ec_cmd_xfer_status with cros_ec_cmd_xfer because the result
> has already been checked in this function. The wrapper is not needed.
Alternatively, you can still use cros_ec_cmd_xfer_status( ). I guess
it is okay to have 2 logs for an error.
> diff --git a/sound/soc/codecs/cros_ec_codec.c b/sound/soc/codecs/cros_ec_codec.c
> index 8d45c628e988e..a4ab62f59efa6 100644
> --- a/sound/soc/codecs/cros_ec_codec.c
> +++ b/sound/soc/codecs/cros_ec_codec.c
> @@ -90,10 +90,17 @@ static int send_ec_host_command(struct cros_ec_device *ec_dev, uint32_t cmd,
> if (outsize)
> memcpy(msg->data, out, outsize);
>
> - ret = cros_ec_cmd_xfer_status(ec_dev, msg);
> + ret = cros_ec_cmd_xfer(ec_dev, msg);
> if (ret < 0)
I am thinking of if it is a better solution to print msg->result here.
> goto error;
>
> + if (msg->result != EC_RES_SUCCESS) {
> + dev_err(ec_dev->dev, "Command %d failed: %d\n", cmd,
> + msg->result);
> + ret = -EPROTO;
> + goto error;
> + }
So that you don't need this block.
