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Commit b8044c74 authored by Dmitry Torokhov's avatar Dmitry Torokhov
Browse files

Input: trackpoint - enable devices connected to external port 



Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent 50f6dde0

drivers/input/mouse/trackpoint.c

+14 −6
Original line number Diff line number Diff line
@@ -68,15 +68,19 @@ struct trackpoint_attr_data { 
	size_t field_offset;

	unsigned char command;

	unsigned char mask;

	unsigned char inverted;

};



static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf)

{

	struct trackpoint_data *tp = psmouse->private;

	struct trackpoint_attr_data *attr = data;

	unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);

	unsigned char value = *(unsigned char *)((char *)tp + attr->field_offset);



	if (attr->inverted)

		value = !value;



	return sprintf(buf, "%u\n", *field);

	return sprintf(buf, "%u\n", value);

}



static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
@@ -120,6 +124,9 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data, 
	if (*rest || value > 1)

		return -EINVAL;



	if (attr->inverted)

		value = !value;



	if (*field != value) {

		*field = value;

		trackpoint_toggle_bit(&psmouse->ps2dev, attr->command, attr->mask);
@@ -129,11 +136,12 @@ static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data, 
}





#define TRACKPOINT_BIT_ATTR(_name, _command, _mask)				\

#define TRACKPOINT_BIT_ATTR(_name, _command, _mask, _inv)				\

	static struct trackpoint_attr_data trackpoint_attr_##_name = {		\

		.field_offset	= offsetof(struct trackpoint_data, _name),	\

		.command	= _command,					\

		.mask		= _mask,					\

		.inverted	= _inv,						\

	};									\

	PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO,				\

			    &trackpoint_attr_##_name,				\
@@ -150,9 +158,9 @@ TRACKPOINT_INT_ATTR(upthresh, TP_UP_THRESH); 
TRACKPOINT_INT_ATTR(ztime, TP_Z_TIME);

TRACKPOINT_INT_ATTR(jenks, TP_JENKS_CURV);



TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON);

TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);

TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);

TRACKPOINT_BIT_ATTR(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON, 0);

TRACKPOINT_BIT_ATTR(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK, 0);

TRACKPOINT_BIT_ATTR(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV, 1);



static struct attribute *trackpoint_attrs[] = {

	&psmouse_attr_sensitivity.dattr.attr,

drivers/input/mouse/trackpoint.h

+2 −2
Original line number Diff line number Diff line
@@ -78,7 +78,7 @@ 


#define TP_TOGGLE_MB		0x23	/* Disable/Enable Middle Button */

#define TP_MASK_MB			0x01

#define TP_TOGGLE_EXT_DEV	0x23	/* Toggle external device */

#define TP_TOGGLE_EXT_DEV	0x23	/* Disable external device */

#define TP_MASK_EXT_DEV			0x02

#define TP_TOGGLE_DRIFT		0x23	/* Drift Correction */

#define TP_MASK_DRIFT			0x80
@@ -125,7 +125,7 @@ 
#define TP_DEF_MB		0x00

#define TP_DEF_PTSON		0x00

#define TP_DEF_SKIPBACK		0x00

#define TP_DEF_EXT_DEV		0x01

#define TP_DEF_EXT_DEV		0x00	/* 0 means enabled */



#define MAKE_PS2_CMD(params, results, cmd) ((params<<12) | (results<<8) | (cmd))