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extcon: usbc-cros-ec: add support to notify USB type cables.

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Extend the driver to notify host and device type cables and the presence
of power.

Signed-off-by: Benson Leung <bleung@chromium.org>
Signed-off-by: Enric Balletbo i Serra <enric.balletbo@collabora.com>
Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
This commit is contained in:
Benson Leung
2017-12-13 11:32:15 +01:00
committed by Chanwoo Choi
parent 4fbd8d194f
commit c7eb47f9e4
2 changed files with 154 additions and 3 deletions
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17
include/linux/mfd/cros_ec_commands.h
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@@ -2904,16 +2904,33 @@ enum usb_pd_control_mux {
USB_PD_CTRL_MUX_AUTO = 5,
};
enum usb_pd_control_swap {
USB_PD_CTRL_SWAP_NONE = 0,
USB_PD_CTRL_SWAP_DATA = 1,
USB_PD_CTRL_SWAP_POWER = 2,
USB_PD_CTRL_SWAP_VCONN = 3,
USB_PD_CTRL_SWAP_COUNT
};
struct ec_params_usb_pd_control {
uint8_t port;
uint8_t role;
uint8_t mux;
uint8_t swap;
} __packed;
#define PD_CTRL_RESP_ENABLED_COMMS (1 << 0) /* Communication enabled */
#define PD_CTRL_RESP_ENABLED_CONNECTED (1 << 1) /* Device connected */
#define PD_CTRL_RESP_ENABLED_PD_CAPABLE (1 << 2) /* Partner is PD capable */
#define PD_CTRL_RESP_ROLE_POWER BIT(0) /* 0=SNK/1=SRC */
#define PD_CTRL_RESP_ROLE_DATA BIT(1) /* 0=UFP/1=DFP */
#define PD_CTRL_RESP_ROLE_VCONN BIT(2) /* Vconn status */
#define PD_CTRL_RESP_ROLE_DR_POWER BIT(3) /* Partner is dualrole power */
#define PD_CTRL_RESP_ROLE_DR_DATA BIT(4) /* Partner is dualrole data */
#define PD_CTRL_RESP_ROLE_USB_COMM BIT(5) /* Partner USB comm capable */
#define PD_CTRL_RESP_ROLE_EXT_POWERED BIT(6) /* Partner externally powerd */
struct ec_response_usb_pd_control_v1 {
uint8_t enabled;
uint8_t role;