*
*/
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-
#include <stdio.h>
#include <errno.h>
#include <fcntl.h>
#include <string.h>
#include <getopt.h>
#include <sys/ioctl.h>
-
+#include <linux/hiddev.h>
#include <usb.h>
-#ifdef NEED_USB_GET_BUSSES
-static inline struct usb_bus *usb_get_busses(void)
-{
- return usb_busses;
-}
-#endif
-
-#ifndef USB_DIR_OUT
-#define USB_DIR_OUT 0x00
-#endif
-
static char devpath[PATH_MAX + 1] = "/dev";
-struct hiddev_devinfo {
- unsigned int bustype;
- unsigned int busnum;
- unsigned int devnum;
- unsigned int ifnum;
- short vendor;
- short product;
- short version;
- unsigned num_applications;
-};
-
-struct hiddev_report_info {
- unsigned report_type;
- unsigned report_id;
- unsigned num_fields;
-};
-
-typedef __signed__ int __s32;
-
-struct hiddev_usage_ref {
- unsigned report_type;
- unsigned report_id;
- unsigned field_index;
- unsigned usage_index;
- unsigned usage_code;
- __s32 value;
-};
-
-#define HIDIOCGDEVINFO _IOR('H', 0x03, struct hiddev_devinfo)
-#define HIDIOCINITREPORT _IO('H', 0x05)
-#define HIDIOCSREPORT _IOW('H', 0x08, struct hiddev_report_info)
-#define HIDIOCSUSAGE _IOW('H', 0x0C, struct hiddev_usage_ref)
-
-#define HID_REPORT_TYPE_OUTPUT 2
-
#define HCI 0
#define HID 1
if (!udev)
return -errno;
- err = usb_control_msg(udev, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
- 0, devinfo->mode, 0, NULL, 0, 10000);
+ err = usb_control_msg(udev,
+ USB_ENDPOINT_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ 0, devinfo->mode, 0, NULL, 0, 10000);
if (err == 0) {
err = -1;
return 0;
}
+static int find_resuscitated_device(struct device_info* devinfo, uint8_t bInterfaceProtocol)
+{
+ int i,j,k,l;
+ struct usb_device *dev, *child;
+ struct usb_config_descriptor config;
+ struct usb_interface interface;
+ struct usb_interface_descriptor altsetting;
+
+ /* Using the base device, attempt to find the child with the
+ * matching bInterfaceProtocol */
+ dev = devinfo->dev;
+ for (i = 0; i < dev->num_children; i++) {
+ child = dev->children[i];
+ for (j = 0; j < child->descriptor.bNumConfigurations; j++) {
+ config = child->config[j];
+ for (k = 0; k < config.bNumInterfaces; k++) {
+ interface = config.interface[k];
+ for (l = 0; l < interface.num_altsetting; l++) {
+ altsetting = interface.altsetting[l];
+ if (altsetting.bInterfaceProtocol == bInterfaceProtocol) {
+ devinfo->dev = child;
+ return 1;
+ }
+ }
+ }
+ }
+ }
+ return 0;
+}
+
static void usage(char* error)
{
if (error)
"\t-v, --vendor= Vendor ID to act upon\n"
"\t-p, --product= Product ID to act upon\n"
"\t-m, --method= Method to use to switch [csr, logitech, dell]\n"
+ "\t-s, --resuscitate= Find the child device with this bInterfaceProtocol to run on \n"
"\n");
if (error)
exit(1);
}
-static const struct option main_options[] = {
- { "help", no_argument, 0, 'h' },
- { "quiet", no_argument, 0, 'q' },
- { "mode", required_argument, 0, 'r' },
- { "vendor", required_argument, 0, 'v' },
- { "product", required_argument, 0, 'p' },
- { "method", required_argument, 0, 'm' },
- { 0, 0, 0, 0 }
-};
-
int main(int argc, char *argv[])
{
+ static const struct option options[] = {
+ { "help", no_argument, NULL, 'h' },
+ { "quiet", no_argument, NULL, 'q' },
+ { "mode", required_argument, NULL, 'r' },
+ { "vendor", required_argument, NULL, 'v' },
+ { "product", required_argument, NULL, 'p' },
+ { "method", required_argument, NULL, 'm' },
+ { "resuscitate", required_argument, NULL, 's' },
+ { }
+ };
struct device_info dev = { NULL, HCI, 0, 0 };
int opt, quiet = 0;
int (*method)(struct device_info *dev) = NULL;
+ uint8_t resuscitate = 0;
- while ((opt = getopt_long(argc, argv, "+r:v:p:m:qh", main_options, NULL)) != -1) {
+ while ((opt = getopt_long(argc, argv, "+s:r:v:p:m:qh", options, NULL)) != -1) {
switch (opt) {
case 'r':
if (optarg && !strcmp(optarg, "hid"))
case 'q':
quiet = 1;
break;
+ case 's':
+ sscanf(optarg, "%2hx", (short unsigned int*) &resuscitate);
+ break;
case 'h':
usage(NULL);
default:
- exit(0);
+ exit(1);
}
}
exit(1);
}
+ if (resuscitate && !find_resuscitated_device(&dev, resuscitate)) {
+ if (!quiet)
+ fprintf(stderr, "Device %04x:%04x was unable to resucitate any child devices.\n",
+ dev.vendor,dev.product);
+ exit(1);
+ }
+
if (!quiet)
printf("Attempting to switch device %04x:%04x to %s mode ",
dev.vendor, dev.product, dev.mode ? "HID" : "HCI");
~ianmdlvl / elogind.git / blobdiff