diff options
| author | Badhri Jagan Sridharan <badhri@google.com> | 2023-01-14 12:32:45 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-17 19:29:23 +0300 |
| commit | abc028a270f47f86060ef479395d1bb8c2ab6e7e (patch) | |
| tree | d77d449d17d8eeaeb7f092e24d054923bcb37906 /include | |
| parent | 599f008c257d913674b2b2f2fa9e273c1058ec2e (diff) | |
| download | linux-abc028a270f47f86060ef479395d1bb8c2ab6e7e.tar.xz | |
usb: typec: tcpci: Add callback for evaluating contaminant presence
This change adds callback to evaluate presence of contaminant in
the TCPCI layer.
Signed-off-by: Badhri Jagan Sridharan <badhri@google.com>
Link: https://lore.kernel.org/r/20230114093246.1933321-2-badhri@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/usb/tcpci.h | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/include/linux/usb/tcpci.h b/include/linux/usb/tcpci.h index 17657451c762..85e95a3251d3 100644 --- a/include/linux/usb/tcpci.h +++ b/include/linux/usb/tcpci.h @@ -188,6 +188,12 @@ struct tcpci; * Optional; The USB Communications Capable bit indicates if port * partner is capable of communication over the USB data lines * (e.g. D+/- or SS Tx/Rx). Called to notify the status of the bit. + * @check_contaminant: + * Optional; The callback is invoked when chiplevel drivers indicated + * that the USB port needs to be checked for contaminant presence. + * Chip level drivers are expected to check for contaminant and call + * tcpm_clean_port when the port is clean to put the port back into + * toggling state. */ struct tcpci_data { struct regmap *regmap; @@ -204,6 +210,7 @@ struct tcpci_data { void (*frs_sourcing_vbus)(struct tcpci *tcpci, struct tcpci_data *data); void (*set_partner_usb_comm_capable)(struct tcpci *tcpci, struct tcpci_data *data, bool capable); + void (*check_contaminant)(struct tcpci *tcpci, struct tcpci_data *data); }; struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data); |