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SubjectRe: [PATCH 2/3] usb: typec: altmodes/displayport: Fix pin assignment calculation
On Wed, Jan 11, 2023 at 02:05:42AM +0000, Prashant Malani wrote:
> Commit c1e5c2f0cb8a ("usb: typec: altmodes/displayport: correct pin
> assignment for UFP receptacles") fixed the pin assignment calculation
> to take into account whether the peripheral was a plug or a receptacle.
>
> But the "pin_assignments" sysfs logic was not updated. Address this by
> using the macros introduced in the aforementioned commit in the sysfs
> logic too.
>
> Fixes: c1e5c2f0cb8a ("usb: typec: altmodes/displayport: correct pin assignment for UFP receptacles")
> Cc: stable@vger.kernel.org
> Cc: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> Signed-off-by: Prashant Malani <pmalani@chromium.org>

Reviewed-by: Benson Leung <bleung@chromium.org>


> ---
> drivers/usb/typec/altmodes/displayport.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
> index f9d4a7648bc9..c0d65c93cefe 100644
> --- a/drivers/usb/typec/altmodes/displayport.c
> +++ b/drivers/usb/typec/altmodes/displayport.c
> @@ -427,9 +427,9 @@ static const char * const pin_assignments[] = {
> static u8 get_current_pin_assignments(struct dp_altmode *dp)
> {
> if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_DFP_D)
> - return DP_CAP_UFP_D_PIN_ASSIGN(dp->alt->vdo);
> + return DP_CAP_PIN_ASSIGN_DFP_D(dp->alt->vdo);
> else
> - return DP_CAP_DFP_D_PIN_ASSIGN(dp->alt->vdo);
> + return DP_CAP_PIN_ASSIGN_UFP_D(dp->alt->vdo);
> }
>
> static ssize_t
> --
> 2.39.0.314.g84b9a713c41-goog
>

--
Benson Leung
Staff Software Engineer
Chrome OS Kernel
Google Inc.
bleung@google.com
Chromium OS Project
bleung@chromium.org
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