![David Taht](/assets/img/avatar_default.png)
Adds the tranzport and alphatrack drivers to the staging tree. Cc: David Taht <d@teklibre.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
101 lines
4.2 KiB
C
101 lines
4.2 KiB
C
/* If you are going to abuse the preprocessor, why not ABUSE the preprocessor?
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I stuck this header in a separate file so I don't have to look at it */
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// FIXME Need locking or atomic ops
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#define show_set_mbit(dname,value,bit) \
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static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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int temp = (1 && (t->value & (1 << bit))); \
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return sprintf(buf, "%d\n", temp); \
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} \
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static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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int temp = simple_strtoul(buf, NULL, 10); \
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if(temp > 0) { long b = 1 << bit; t->value |= b; } \
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else { long b = ~(1 << bit); t->value &= b ; \
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return count; \
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} \
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static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
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#define show_set_ebit(dname,enumname,value,bit) \
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static ssize_t show_##bit(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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enum enumname l = bit; \
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int temp = t->value & (1 << l); \
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return sprintf(buf, "%d\n", temp); \
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} \
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static ssize_t set_##bit(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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int temp = simple_strtoul(buf, NULL, 10); \
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enum enumname l = bit;\
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long b = 1 << l; \
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if(temp > 0) { t->value |= b; } \
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else { t->value &= ~b ; \
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return count; \
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} \
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static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
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// FIXME FOR CORRECTLY SETTING HEX from a string
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#define show_set_mcmd(dname,value) \
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static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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int count = 0;\
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int i; \
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for (i = 0,i<sizeof(dname); i++) count += snprintf(buf, "%02x",t->dname[i]); \
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return(count);\
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} \
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static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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int temp = simple_strtoul(buf, NULL, 10); \
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t->value = temp; \
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return count; \
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} \
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static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
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#define show_set_mint(dname,value) \
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static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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return sprintf(buf, "%d\n", t->value); \
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} \
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static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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int temp = simple_strtoul(buf, NULL, 10); \
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t->value = temp; \
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return count; \
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} \
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static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
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#define show_set_mchar(dname,value) \
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static ssize_t show_##value(struct device *dev, struct device_attribute *attr, char *buf) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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return sprintf(buf, "%c\n", t->value); \
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} \
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static ssize_t set_##value(struct device *dev, struct device_attribute *attr, const char *buf, size_t count) \
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{ \
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struct usb_interface *intf = to_usb_interface(dev); \
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struct usb_##dname *t = usb_get_intfdata(intf); \
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int temp = simple_strtoul(buf, NULL, 10); \
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t->value = temp; \
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return count; \
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} \
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static DEVICE_ATTR(value, S_IWUGO | S_IRUGO, show_##value, set_##value);
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