mfd: cros_ec: Add API for Touchpad support (6f9d485c) · Commits · 戴 / test

Add API to control touchpad presented by Embedded Controller. Signed-off-by:

include/linux/mfd/cros_ec_commands.h

+26 −0

Original line number	Diff line number	Diff line
		@@ -5043,6 +5043,32 @@ struct ec_response_pd_chip_info_v1 {
		};
		} __ec_align2;

		/*****************************************************************************/
		/* Touchpad MCU commands: range 0x0500-0x05FF */

		/* Perform touchpad self test */
		#define EC_CMD_TP_SELF_TEST 0x0500

		/* Get number of frame types, and the size of each type */
		#define EC_CMD_TP_FRAME_INFO 0x0501

		struct ec_response_tp_frame_info {
		uint32_t n_frames;
		uint32_t frame_sizes[0];
		} __ec_align4;

		/* Create a snapshot of current frame readings */
		#define EC_CMD_TP_FRAME_SNAPSHOT 0x0502

		/* Read the frame */
		#define EC_CMD_TP_FRAME_GET 0x0503

		struct ec_params_tp_frame_get {
		uint32_t frame_index;
		uint32_t offset;
		uint32_t size;
		} __ec_align4;

		/*****************************************************************************/
		/* EC-EC communication commands: range 0x0600-0x06FF */