Input: psmouse - add support for Cortron PS/2 Trackballs (aea6a461) · Commits · 戴 / test

drivers/input/mouse/psmouse-base.c

+29 −0

Original line number	Diff line number	Diff line
		@@ -177,6 +177,15 @@ static psmouse_ret_t psmouse_process_byte(struct psmouse *psmouse)
		packet[1] \|= (packet[0] & 0x40) << 1;
		}

		/*
		* Cortron PS2 Trackball reports SIDE button on the 4th bit of the first
		* byte.
		*/
		if (psmouse->type == PSMOUSE_CORTRON) {
		input_report_key(dev, BTN_SIDE, (packet[0] >> 3) & 1);
		packet[0] \|= 0x08;
		}

		/*
		* Generic PS/2 Mouse
		*/
		@@ -539,6 +548,20 @@ static int ps2bare_detect(struct psmouse *psmouse, int set_properties)
		return 0;
		}

		/*
		* Cortron PS/2 protocol detection. There's no special way to detect it, so it
		* must be forced by sysfs protocol writing.
		*/
		static int cortron_detect(struct psmouse *psmouse, int set_properties)
		{
		if (set_properties) {
		psmouse->vendor = "Cortron";
		psmouse->name = "PS/2 Trackball";
		set_bit(BTN_SIDE, psmouse->dev->keybit);
		}

		return 0;
		}

		/*
		* psmouse_extensions() probes for any extensions to the basic PS/2 protocol
		@@ -739,6 +762,12 @@ static const struct psmouse_protocol psmouse_protocols[] = {
		.detect = touchkit_ps2_detect,
		},
		#endif
		{
		.type = PSMOUSE_CORTRON,
		.name = "CortronPS/2",
		.alias = "cortps",
		.detect = cortron_detect,
		},
		{
		.type = PSMOUSE_AUTO,
		.name = "auto",

+1 −0

Original line number	Diff line number	Diff line
		@@ -88,6 +88,7 @@ enum psmouse_type {
		PSMOUSE_LIFEBOOK,
		PSMOUSE_TRACKPOINT,
		PSMOUSE_TOUCHKIT_PS2,
		PSMOUSE_CORTRON,
		PSMOUSE_AUTO /* This one should always be last */
		};