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SubjectRe: [PATCH V2] usb: typec: Add sysfs node to show connector orientation
On Tue, Oct 22, 2019 at 04:59:24PM +0800, Puma Hsu wrote:
> Export the Type-C connector orientation so that user space
> can get this information.
>
> Signed-off-by: Puma Hsu <pumahsu@google.com>
> ---
> Documentation/ABI/testing/sysfs-class-typec | 11 +++++++++++
> drivers/usb/typec/class.c | 18 ++++++++++++++++++
> 2 files changed, 29 insertions(+)
>
> diff --git a/Documentation/ABI/testing/sysfs-class-typec b/Documentation/ABI/testing/sysfs-class-typec
> index d7647b258c3c..b22f71801671 100644
> --- a/Documentation/ABI/testing/sysfs-class-typec
> +++ b/Documentation/ABI/testing/sysfs-class-typec
> @@ -108,6 +108,17 @@ Contact: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> Description:
> Revision number of the supported USB Type-C specification.
>
> +What: /sys/class/typec/<port>/connector_orientation
> +Date: October 2019
> +Contact: Puma Hsu <pumahsu@google.com>
> +Description:
> + Indicates which typec connector orientation is configured now.
> + cc1 is defined as "normal" and cc2 is defined as "reversed".

Why the blank line after "Description:"? Shouldn't "Indicates..." be
right after it?
> +
> + Valid value:
> + - unknown (nothing configured)
> + - normal (configured in cc1 side)
> + - reversed (configured in cc2 side)
>
> USB Type-C partner devices (eg. /sys/class/typec/port0-partner/)
>
> diff --git a/drivers/usb/typec/class.c b/drivers/usb/typec/class.c
> index 94a3eda62add..911d06676aeb 100644
> --- a/drivers/usb/typec/class.c
> +++ b/drivers/usb/typec/class.c
> @@ -1245,6 +1245,23 @@ static ssize_t usb_power_delivery_revision_show(struct device *dev,
> }
> static DEVICE_ATTR_RO(usb_power_delivery_revision);
>
> +static const char * const typec_connector_orientation[] = {
> + [TYPEC_ORIENTATION_NONE] = "unknown",
> + [TYPEC_ORIENTATION_NORMAL] = "normal",
> + [TYPEC_ORIENTATION_REVERSE] = "reversed",
> +};
> +
> +static ssize_t connector_orientation_show(struct device *dev,
> + struct device_attribute *attr,
> + char *buf)

Can you line this up properly?

thanks,

greg k-h

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