HID: uclogic: Support fragmented high-res reports (59f2e0fc) · Commits · 戴 / test

drivers/hid/hid-uclogic-core.c

+25 −0

Original line number	Diff line number	Diff line
		@@ -265,6 +265,31 @@ static int uclogic_raw_event(struct hid_device *hdev,
		/* Invert the in-range bit */
		data[1] ^= 0x40;
		}
		/*
		* If report contains fragmented high-resolution pen
		* coordinates
		*/
		if (size >= 10 && params->pen.fragmented_hires) {
		u8 pressure_low_byte;
		u8 pressure_high_byte;

		/* Lift pressure bytes */
		pressure_low_byte = data[6];
		pressure_high_byte = data[7];
		/*
		* Move Y coord to make space for high-order X
		* coord byte
		*/
		data[6] = data[5];
		data[5] = data[4];
		/* Move high-order X coord byte */
		data[4] = data[8];
		/* Move high-order Y coord byte */
		data[7] = data[9];
		/* Place pressure bytes */
		data[8] = pressure_low_byte;
		data[9] = pressure_high_byte;
		}
		/* If we need to emulate in-range detection */
		if (params->pen.inrange == UCLOGIC_PARAMS_PEN_INRANGE_NONE) {
		/* Set in-range bit */

+8 −0

Original line number	Diff line number	Diff line
		@@ -56,6 +56,12 @@ struct uclogic_params_pen {
		unsigned int id;
		/* Type of in-range reporting, only valid if "id" is not zero */
		enum uclogic_params_pen_inrange inrange;
		/*
		* True, if reports include fragmented high resolution coords, with
		* high-order X and then Y bytes following the pressure field.
		* Only valid if "id" is not zero.
		*/
		bool fragmented_hires;
		};

		/*
		@@ -151,6 +157,7 @@ extern int uclogic_params_init(struct uclogic_params *params,
		".pen.desc_size = %u\n" \
		".pen.id = %u\n" \
		".pen.inrange = %s\n" \
		".pen.fragmented_hires = %s\n" \
		".frame.desc_ptr = %p\n" \
		".frame.desc_size = %u\n" \
		".frame.id = %u\n" \
		@@ -166,6 +173,7 @@ extern int uclogic_params_init(struct uclogic_params *params,
		(_params)->pen.desc_size, \
		(_params)->pen.id, \
		uclogic_params_pen_inrange_to_str((_params)->pen.inrange), \
		((_params)->pen.fragmented_hires ? "true" : "false"), \
		(_params)->frame.desc_ptr, \
		(_params)->frame.desc_size, \
		(_params)->frame.id, \