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Input: rework psmouse attributes to reduce module size
Rearrange attribute code to use generic show and set handlers instead of replicating them for every attribute; switch to using attribute_group instead of creating all attributes manually. All this saves about 4K. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Dmitry Torokhov
parent
15c42e5a1f
commit
cfe9e88866
@ -150,12 +150,12 @@ static void ps2pp_set_smartscroll(struct psmouse *psmouse, unsigned int smartscr
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ps2_command(ps2dev, param, PSMOUSE_CMD_SETRES);
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}
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static ssize_t psmouse_attr_show_smartscroll(struct psmouse *psmouse, char *buf)
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static ssize_t ps2pp_attr_show_smartscroll(struct psmouse *psmouse, void *data, char *buf)
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{
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return sprintf(buf, "%d\n", psmouse->smartscroll ? 1 : 0);
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}
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static ssize_t psmouse_attr_set_smartscroll(struct psmouse *psmouse, const char *buf, size_t count)
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static ssize_t ps2pp_attr_set_smartscroll(struct psmouse *psmouse, void *data, const char *buf, size_t count)
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{
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unsigned long value;
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char *rest;
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@ -169,7 +169,8 @@ static ssize_t psmouse_attr_set_smartscroll(struct psmouse *psmouse, const char
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return count;
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}
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PSMOUSE_DEFINE_ATTR(smartscroll);
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PSMOUSE_DEFINE_ATTR(smartscroll, S_IWUSR | S_IRUGO, NULL,
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ps2pp_attr_show_smartscroll, ps2pp_attr_set_smartscroll);
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/*
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* Support 800 dpi resolution _only_ if the user wants it (there are good
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@ -194,7 +195,7 @@ static void ps2pp_set_resolution(struct psmouse *psmouse, unsigned int resolutio
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static void ps2pp_disconnect(struct psmouse *psmouse)
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{
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device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
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device_remove_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll.dattr);
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}
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static struct ps2pp_info *get_model_info(unsigned char model)
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@ -379,7 +380,8 @@ int ps2pp_init(struct psmouse *psmouse, int set_properties)
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psmouse->set_resolution = ps2pp_set_resolution;
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psmouse->disconnect = ps2pp_disconnect;
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device_create_file(&psmouse->ps2dev.serio->dev, &psmouse_attr_smartscroll);
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device_create_file(&psmouse->ps2dev.serio->dev,
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&psmouse_attr_smartscroll.dattr);
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}
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}
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@ -58,10 +58,30 @@ static unsigned int psmouse_resetafter;
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module_param_named(resetafter, psmouse_resetafter, uint, 0644);
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MODULE_PARM_DESC(resetafter, "Reset device after so many bad packets (0 = never).");
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PSMOUSE_DEFINE_ATTR(protocol);
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PSMOUSE_DEFINE_ATTR(rate);
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PSMOUSE_DEFINE_ATTR(resolution);
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PSMOUSE_DEFINE_ATTR(resetafter);
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PSMOUSE_DEFINE_ATTR(protocol, S_IWUSR | S_IRUGO,
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NULL,
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psmouse_attr_show_protocol, psmouse_attr_set_protocol);
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PSMOUSE_DEFINE_ATTR(rate, S_IWUSR | S_IRUGO,
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(void *) offsetof(struct psmouse, rate),
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psmouse_show_int_attr, psmouse_attr_set_rate);
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PSMOUSE_DEFINE_ATTR(resolution, S_IWUSR | S_IRUGO,
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(void *) offsetof(struct psmouse, resolution),
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psmouse_show_int_attr, psmouse_attr_set_resolution);
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PSMOUSE_DEFINE_ATTR(resetafter, S_IWUSR | S_IRUGO,
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(void *) offsetof(struct psmouse, resetafter),
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psmouse_show_int_attr, psmouse_set_int_attr);
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static struct attribute *psmouse_attributes[] = {
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&psmouse_attr_protocol.dattr.attr,
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&psmouse_attr_rate.dattr.attr,
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&psmouse_attr_resolution.dattr.attr,
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&psmouse_attr_resetafter.dattr.attr,
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NULL
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};
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static struct attribute_group psmouse_attribute_group = {
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.attrs = psmouse_attributes,
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};
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__obsolete_setup("psmouse_noext");
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__obsolete_setup("psmouse_resolution=");
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@ -800,10 +820,7 @@ static void psmouse_disconnect(struct serio *serio)
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psmouse = serio_get_drvdata(serio);
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device_remove_file(&serio->dev, &psmouse_attr_protocol);
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device_remove_file(&serio->dev, &psmouse_attr_rate);
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device_remove_file(&serio->dev, &psmouse_attr_resolution);
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device_remove_file(&serio->dev, &psmouse_attr_resetafter);
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sysfs_remove_group(&serio->dev.kobj, &psmouse_attribute_group);
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down(&psmouse_sem);
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@ -940,10 +957,7 @@ static int psmouse_connect(struct serio *serio, struct serio_driver *drv)
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if (parent && parent->pt_activate)
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parent->pt_activate(parent);
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device_create_file(&serio->dev, &psmouse_attr_protocol);
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device_create_file(&serio->dev, &psmouse_attr_rate);
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device_create_file(&serio->dev, &psmouse_attr_resolution);
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device_create_file(&serio->dev, &psmouse_attr_resetafter);
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sysfs_create_group(&serio->dev.kobj, &psmouse_attribute_group);
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psmouse_activate(psmouse);
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@ -1040,10 +1054,12 @@ static struct serio_driver psmouse_drv = {
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.cleanup = psmouse_cleanup,
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};
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ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
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ssize_t (*handler)(struct psmouse *, char *))
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ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *devattr,
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char *buf)
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{
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struct serio *serio = to_serio_port(dev);
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struct psmouse_attribute *attr = to_psmouse_attr(devattr);
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struct psmouse *psmouse;
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int retval;
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retval = serio_pin_driver(serio);
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@ -1055,19 +1071,21 @@ ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
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goto out;
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}
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retval = handler(serio_get_drvdata(serio), buf);
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psmouse = serio_get_drvdata(serio);
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retval = attr->show(psmouse, attr->data, buf);
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out:
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serio_unpin_driver(serio);
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return retval;
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}
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ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
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ssize_t (*handler)(struct psmouse *, const char *, size_t))
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ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *devattr,
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const char *buf, size_t count)
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{
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struct serio *serio = to_serio_port(dev);
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struct psmouse *psmouse = serio_get_drvdata(serio);
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struct psmouse *parent = NULL;
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struct psmouse_attribute *attr = to_psmouse_attr(devattr);
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struct psmouse *psmouse, *parent = NULL;
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int retval;
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retval = serio_pin_driver(serio);
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@ -1083,6 +1101,8 @@ ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t coun
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if (retval)
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goto out_unpin;
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psmouse = serio_get_drvdata(serio);
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if (psmouse->state == PSMOUSE_IGNORE) {
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retval = -ENODEV;
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goto out_up;
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@ -1095,7 +1115,7 @@ ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t coun
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psmouse_deactivate(psmouse);
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retval = handler(psmouse, buf, count);
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retval = attr->set(psmouse, attr->data, buf, count);
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if (retval != -ENODEV)
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psmouse_activate(psmouse);
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@ -1110,12 +1130,34 @@ ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t coun
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return retval;
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}
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static ssize_t psmouse_attr_show_protocol(struct psmouse *psmouse, char *buf)
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static ssize_t psmouse_show_int_attr(struct psmouse *psmouse, void *offset, char *buf)
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{
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unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset);
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return sprintf(buf, "%lu\n", *field);
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}
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static ssize_t psmouse_set_int_attr(struct psmouse *psmouse, void *offset, const char *buf, size_t count)
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{
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unsigned long *field = (unsigned long *)((char *)psmouse + (size_t)offset);
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unsigned long value;
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char *rest;
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value = simple_strtoul(buf, &rest, 10);
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if (*rest)
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return -EINVAL;
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*field = value;
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return count;
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}
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static ssize_t psmouse_attr_show_protocol(struct psmouse *psmouse, void *data, char *buf)
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{
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return sprintf(buf, "%s\n", psmouse_protocol_by_type(psmouse->type)->name);
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}
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static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, const char *buf, size_t count)
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static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, void *data, const char *buf, size_t count)
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{
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struct serio *serio = psmouse->ps2dev.serio;
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struct psmouse *parent = NULL;
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@ -1179,12 +1221,7 @@ static ssize_t psmouse_attr_set_protocol(struct psmouse *psmouse, const char *bu
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return count;
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}
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static ssize_t psmouse_attr_show_rate(struct psmouse *psmouse, char *buf)
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{
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return sprintf(buf, "%d\n", psmouse->rate);
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}
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static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, const char *buf, size_t count)
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static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, void *data, const char *buf, size_t count)
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{
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unsigned long value;
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char *rest;
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@ -1197,12 +1234,7 @@ static ssize_t psmouse_attr_set_rate(struct psmouse *psmouse, const char *buf, s
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return count;
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}
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static ssize_t psmouse_attr_show_resolution(struct psmouse *psmouse, char *buf)
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{
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return sprintf(buf, "%d\n", psmouse->resolution);
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}
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static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, const char *buf, size_t count)
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static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, void *data, const char *buf, size_t count)
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{
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unsigned long value;
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char *rest;
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@ -1215,23 +1247,6 @@ static ssize_t psmouse_attr_set_resolution(struct psmouse *psmouse, const char *
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return count;
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}
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static ssize_t psmouse_attr_show_resetafter(struct psmouse *psmouse, char *buf)
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{
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return sprintf(buf, "%d\n", psmouse->resetafter);
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}
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static ssize_t psmouse_attr_set_resetafter(struct psmouse *psmouse, const char *buf, size_t count)
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{
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unsigned long value;
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char *rest;
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value = simple_strtoul(buf, &rest, 10);
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if (*rest)
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return -EINVAL;
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psmouse->resetafter = value;
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return count;
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}
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static int psmouse_set_maxproto(const char *val, struct kernel_param *kp)
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{
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@ -86,24 +86,37 @@ int psmouse_sliced_command(struct psmouse *psmouse, unsigned char command);
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int psmouse_reset(struct psmouse *psmouse);
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void psmouse_set_resolution(struct psmouse *psmouse, unsigned int resolution);
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ssize_t psmouse_attr_show_helper(struct device *dev, char *buf,
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ssize_t (*handler)(struct psmouse *, char *));
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ssize_t psmouse_attr_set_helper(struct device *dev, const char *buf, size_t count,
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ssize_t (*handler)(struct psmouse *, const char *, size_t));
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#define PSMOUSE_DEFINE_ATTR(_name) \
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static ssize_t psmouse_attr_show_##_name(struct psmouse *, char *); \
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static ssize_t psmouse_attr_set_##_name(struct psmouse *, const char *, size_t);\
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static ssize_t psmouse_do_show_##_name(struct device *d, struct device_attribute *attr, char *b) \
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{ \
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return psmouse_attr_show_helper(d, b, psmouse_attr_show_##_name); \
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} \
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static ssize_t psmouse_do_set_##_name(struct device *d, struct device_attribute *attr, const char *b, size_t s)\
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{ \
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return psmouse_attr_set_helper(d, b, s, psmouse_attr_set_##_name); \
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} \
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static struct device_attribute psmouse_attr_##_name = \
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__ATTR(_name, S_IWUSR | S_IRUGO, \
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psmouse_do_show_##_name, psmouse_do_set_##_name);
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struct psmouse_attribute {
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struct device_attribute dattr;
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void *data;
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ssize_t (*show)(struct psmouse *psmouse, void *data, char *buf);
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ssize_t (*set)(struct psmouse *psmouse, void *data,
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const char *buf, size_t count);
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};
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#define to_psmouse_attr(a) container_of((a), struct psmouse_attribute, dattr)
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ssize_t psmouse_attr_show_helper(struct device *dev, struct device_attribute *attr,
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char *buf);
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ssize_t psmouse_attr_set_helper(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count);
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#define PSMOUSE_DEFINE_ATTR(_name, _mode, _data, _show, _set) \
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static ssize_t _show(struct psmouse *, void *data, char *); \
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static ssize_t _set(struct psmouse *, void *data, const char *, size_t); \
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static struct psmouse_attribute psmouse_attr_##_name = { \
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.dattr = { \
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.attr = { \
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.name = __stringify(_name), \
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.mode = _mode, \
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.owner = THIS_MODULE, \
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}, \
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.show = psmouse_attr_show_helper, \
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.store = psmouse_attr_set_helper, \
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}, \
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.data = _data, \
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.show = _show, \
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.set = _set, \
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}
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#endif /* _PSMOUSE_H */
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@ -19,54 +19,6 @@
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#include "psmouse.h"
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#include "trackpoint.h"
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PSMOUSE_DEFINE_ATTR(sensitivity);
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PSMOUSE_DEFINE_ATTR(speed);
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PSMOUSE_DEFINE_ATTR(inertia);
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PSMOUSE_DEFINE_ATTR(reach);
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PSMOUSE_DEFINE_ATTR(draghys);
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PSMOUSE_DEFINE_ATTR(mindrag);
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PSMOUSE_DEFINE_ATTR(thresh);
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PSMOUSE_DEFINE_ATTR(upthresh);
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PSMOUSE_DEFINE_ATTR(ztime);
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PSMOUSE_DEFINE_ATTR(jenks);
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PSMOUSE_DEFINE_ATTR(press_to_select);
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PSMOUSE_DEFINE_ATTR(skipback);
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PSMOUSE_DEFINE_ATTR(ext_dev);
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#define MAKE_ATTR_READ(_item) \
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static ssize_t psmouse_attr_show_##_item(struct psmouse *psmouse, char *buf) \
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{ \
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struct trackpoint_data *tp = psmouse->private; \
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return sprintf(buf, "%lu\n", (unsigned long)tp->_item); \
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}
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#define MAKE_ATTR_WRITE(_item, command) \
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static ssize_t psmouse_attr_set_##_item(struct psmouse *psmouse, const char *buf, size_t count) \
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{ \
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char *rest; \
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unsigned long value; \
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struct trackpoint_data *tp = psmouse->private; \
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value = simple_strtoul(buf, &rest, 10); \
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if (*rest) \
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return -EINVAL; \
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tp->_item = value; \
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trackpoint_write(&psmouse->ps2dev, command, tp->_item); \
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return count; \
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}
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#define MAKE_ATTR_TOGGLE(_item, command, mask) \
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static ssize_t psmouse_attr_set_##_item(struct psmouse *psmouse, const char *buf, size_t count) \
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{ \
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unsigned char toggle; \
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struct trackpoint_data *tp = psmouse->private; \
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toggle = (buf[0] == '1') ? 1 : 0; \
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if (toggle != tp->_item) { \
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tp->_item = toggle; \
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trackpoint_toggle_bit(&psmouse->ps2dev, command, mask); \
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} \
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return count; \
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}
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/*
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* Device IO: read, write and toggle bit
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*/
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@ -108,59 +60,114 @@ static int trackpoint_toggle_bit(struct ps2dev *ps2dev, unsigned char loc, unsig
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return 0;
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}
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MAKE_ATTR_WRITE(sensitivity, TP_SENS);
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MAKE_ATTR_READ(sensitivity);
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MAKE_ATTR_WRITE(speed, TP_SPEED);
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MAKE_ATTR_READ(speed);
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/*
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* Trackpoint-specific attributes
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*/
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struct trackpoint_attr_data {
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size_t field_offset;
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unsigned char command;
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unsigned char mask;
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};
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MAKE_ATTR_WRITE(inertia, TP_INERTIA);
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MAKE_ATTR_READ(inertia);
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static ssize_t trackpoint_show_int_attr(struct psmouse *psmouse, void *data, char *buf)
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{
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struct trackpoint_data *tp = psmouse->private;
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struct trackpoint_attr_data *attr = data;
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unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
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MAKE_ATTR_WRITE(reach, TP_REACH);
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MAKE_ATTR_READ(reach);
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return sprintf(buf, "%u\n", *field);
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}
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MAKE_ATTR_WRITE(draghys, TP_DRAGHYS);
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MAKE_ATTR_READ(draghys);
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static ssize_t trackpoint_set_int_attr(struct psmouse *psmouse, void *data,
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const char *buf, size_t count)
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{
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struct trackpoint_data *tp = psmouse->private;
|
||||
struct trackpoint_attr_data *attr = data;
|
||||
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
|
||||
unsigned long value;
|
||||
char *rest;
|
||||
|
||||
MAKE_ATTR_WRITE(mindrag, TP_MINDRAG);
|
||||
MAKE_ATTR_READ(mindrag);
|
||||
value = simple_strtoul(buf, &rest, 10);
|
||||
if (*rest || value > 255)
|
||||
return -EINVAL;
|
||||
|
||||
MAKE_ATTR_WRITE(thresh, TP_THRESH);
|
||||
MAKE_ATTR_READ(thresh);
|
||||
*field = value;
|
||||
trackpoint_write(&psmouse->ps2dev, attr->command, value);
|
||||
|
||||
MAKE_ATTR_WRITE(upthresh, TP_UP_THRESH);
|
||||
MAKE_ATTR_READ(upthresh);
|
||||
return count;
|
||||
}
|
||||
|
||||
MAKE_ATTR_WRITE(ztime, TP_Z_TIME);
|
||||
MAKE_ATTR_READ(ztime);
|
||||
#define TRACKPOINT_INT_ATTR(_name, _command) \
|
||||
static struct trackpoint_attr_data trackpoint_attr_##_name = { \
|
||||
.field_offset = offsetof(struct trackpoint_data, _name), \
|
||||
.command = _command, \
|
||||
}; \
|
||||
PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
|
||||
&trackpoint_attr_##_name, \
|
||||
trackpoint_show_int_attr, trackpoint_set_int_attr)
|
||||
|
||||
MAKE_ATTR_WRITE(jenks, TP_JENKS_CURV);
|
||||
MAKE_ATTR_READ(jenks);
|
||||
static ssize_t trackpoint_set_bit_attr(struct psmouse *psmouse, void *data,
|
||||
const char *buf, size_t count)
|
||||
{
|
||||
struct trackpoint_data *tp = psmouse->private;
|
||||
struct trackpoint_attr_data *attr = data;
|
||||
unsigned char *field = (unsigned char *)((char *)tp + attr->field_offset);
|
||||
unsigned long value;
|
||||
char *rest;
|
||||
|
||||
MAKE_ATTR_TOGGLE(press_to_select, TP_TOGGLE_PTSON, TP_MASK_PTSON);
|
||||
MAKE_ATTR_READ(press_to_select);
|
||||
value = simple_strtoul(buf, &rest, 10);
|
||||
if (*rest || value > 1)
|
||||
return -EINVAL;
|
||||
|
||||
MAKE_ATTR_TOGGLE(skipback, TP_TOGGLE_SKIPBACK, TP_MASK_SKIPBACK);
|
||||
MAKE_ATTR_READ(skipback);
|
||||
if (*field != value) {
|
||||
*field = value;
|
||||
trackpoint_toggle_bit(&psmouse->ps2dev, attr->command, attr->mask);
|
||||
}
|
||||
|
||||
MAKE_ATTR_TOGGLE(ext_dev, TP_TOGGLE_EXT_DEV, TP_MASK_EXT_DEV);
|
||||
MAKE_ATTR_READ(ext_dev);
|
||||
return count;
|
||||
}
|
||||
|
||||
|
||||
#define TRACKPOINT_BIT_ATTR(_name, _command, _mask) \
|
||||
static struct trackpoint_attr_data trackpoint_attr_##_name = { \
|
||||
.field_offset = offsetof(struct trackpoint_data, _name), \
|
||||
.command = _command, \
|
||||
.mask = _mask, \
|
||||
}; \
|
||||
PSMOUSE_DEFINE_ATTR(_name, S_IWUSR | S_IRUGO, \
|
||||
&trackpoint_attr_##_name, \
|
||||
trackpoint_show_int_attr, trackpoint_set_bit_attr)
|
||||
|
||||
TRACKPOINT_INT_ATTR(sensitivity, TP_SENS);
|
||||
TRACKPOINT_INT_ATTR(speed, TP_SPEED);
|
||||
TRACKPOINT_INT_ATTR(inertia, TP_INERTIA);
|
||||
TRACKPOINT_INT_ATTR(reach, TP_REACH);
|
||||
TRACKPOINT_INT_ATTR(draghys, TP_DRAGHYS);
|
||||
TRACKPOINT_INT_ATTR(mindrag, TP_MINDRAG);
|
||||
TRACKPOINT_INT_ATTR(thresh, TP_THRESH);
|
||||
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);
|
||||
|
||||
static struct attribute *trackpoint_attrs[] = {
|
||||
&psmouse_attr_sensitivity.attr,
|
||||
&psmouse_attr_speed.attr,
|
||||
&psmouse_attr_inertia.attr,
|
||||
&psmouse_attr_reach.attr,
|
||||
&psmouse_attr_draghys.attr,
|
||||
&psmouse_attr_mindrag.attr,
|
||||
&psmouse_attr_thresh.attr,
|
||||
&psmouse_attr_upthresh.attr,
|
||||
&psmouse_attr_ztime.attr,
|
||||
&psmouse_attr_jenks.attr,
|
||||
&psmouse_attr_press_to_select.attr,
|
||||
&psmouse_attr_skipback.attr,
|
||||
&psmouse_attr_ext_dev.attr,
|
||||
&psmouse_attr_sensitivity.dattr.attr,
|
||||
&psmouse_attr_speed.dattr.attr,
|
||||
&psmouse_attr_inertia.dattr.attr,
|
||||
&psmouse_attr_reach.dattr.attr,
|
||||
&psmouse_attr_draghys.dattr.attr,
|
||||
&psmouse_attr_mindrag.dattr.attr,
|
||||
&psmouse_attr_thresh.dattr.attr,
|
||||
&psmouse_attr_upthresh.dattr.attr,
|
||||
&psmouse_attr_ztime.dattr.attr,
|
||||
&psmouse_attr_jenks.dattr.attr,
|
||||
&psmouse_attr_press_to_select.dattr.attr,
|
||||
&psmouse_attr_skipback.dattr.attr,
|
||||
&psmouse_attr_ext_dev.dattr.attr,
|
||||
NULL
|
||||
};
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user