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(udev) Detect joypad vendor and product id

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This commit is contained in:
Higor Eurípedes 2014-10-14 20:18:50 -03:00
parent 9b7a8d4654
commit c9917ce6fe
1 changed files with 25 additions and 10 deletions
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35
input/udev_joypad.c
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@ -62,6 +62,8 @@ struct udev_joypad
char *ident; char *ident;
char *path; char *path;
int32_t vid;
int32_t pid;
}; };
static struct udev *g_udev; static struct udev *g_udev;
@ -147,7 +149,7 @@ static bool hotplug_available(void)
return (poll(&fds, 1, 0) == 1) && (fds.revents & POLLIN); return (poll(&fds, 1, 0) == 1) && (fds.revents & POLLIN);
} }
static void check_device(const char *path, bool hotplugged); static void check_device(struct udev_device *dev, const char *path, bool hotplugged);
static void remove_device(const char *path); static void remove_device(const char *path);
static void handle_hotplug(void) static void handle_hotplug(void)
@ -166,7 +168,7 @@ static void handle_hotplug(void)
if (!strcmp(action, "add")) if (!strcmp(action, "add"))
{ {
RARCH_LOG("[udev]: Hotplug add: %s.\n", devnode); RARCH_LOG("[udev]: Hotplug add: %s.\n", devnode);
check_device(devnode, true); check_device(dev, devnode, true);
} }
else if (!strcmp(action, "remove")) else if (!strcmp(action, "remove"))
{ {
@ -308,7 +310,7 @@ static void free_pad(unsigned pad, bool hotplug)
NULL); NULL);
} }
static bool add_pad(unsigned p, int fd, const char *path) static bool add_pad(struct udev_device *dev, unsigned p, int fd, const char *path)
{ {
int i; int i;
struct udev_joypad *pad = &g_pads[p]; struct udev_joypad *pad = &g_pads[p];
@ -318,7 +320,22 @@ static bool add_pad(unsigned p, int fd, const char *path)
return false; return false;
} }
RARCH_LOG("[udev]: Plugged pad: %s on port #%u.\n", pad->ident, p); const char *buf;
/* don't worry about unref'ing the parent */
struct udev_device *parent =
udev_device_get_parent_with_subsystem_devtype(dev, "usb", "usb_device");
pad->vid = pad->pid = 0;
if ((buf = udev_device_get_sysattr_value(parent, "idVendor")) != NULL)
pad->vid = strtol(buf, NULL, 16);
if ((buf = udev_device_get_sysattr_value(parent, "idProduct")) != NULL)
pad->pid = strtol(buf, NULL, 16);
RARCH_LOG("[udev]: Plugged pad: %s (%04x:%04x) on port #%u.\n",
pad->ident, pad->vid, pad->pid, p);
struct stat st; struct stat st;
if (fstat(fd, &st) < 0) if (fstat(fd, &st) < 0)
@ -367,10 +384,8 @@ static bool add_pad(unsigned p, int fd, const char *path)
pad->fd = fd; pad->fd = fd;
pad->path = strdup(path); pad->path = strdup(path);
/* TODO - implement VID/PID? */
if (*pad->ident) if (*pad->ident)
input_config_autoconfigure_joypad(p, pad->ident, input_config_autoconfigure_joypad(p, pad->ident, pad->vid, pad->pid, "udev");
0, 0, "udev");
// Check for rumble features. // Check for rumble features.
unsigned long ffbit[NBITS(FF_MAX)] = {0}; unsigned long ffbit[NBITS(FF_MAX)] = {0};
@ -387,7 +402,7 @@ static bool add_pad(unsigned p, int fd, const char *path)
return true; return true;
} }
static void check_device(const char *path, bool hotplugged) static void check_device(struct udev_device *dev, const char *path, bool hotplugged)
{ {
unsigned i; unsigned i;
struct stat st; struct stat st;
@ -411,7 +426,7 @@ static void check_device(const char *path, bool hotplugged)
if (fd < 0) if (fd < 0)
return; return;
if (add_pad(pad, fd, path)) if (add_pad(dev, pad, fd, path))
{ {
#ifndef IS_JOYCONFIG #ifndef IS_JOYCONFIG
if (hotplugged) if (hotplugged)
@ -501,7 +516,7 @@ static bool udev_joypad_init(void)
struct udev_device *dev = udev_device_new_from_syspath(g_udev, name); struct udev_device *dev = udev_device_new_from_syspath(g_udev, name);
const char *devnode = udev_device_get_devnode(dev); const char *devnode = udev_device_get_devnode(dev);
if (devnode) if (devnode)
check_device(devnode, false); check_device(dev, devnode, false);
udev_device_unref(dev); udev_device_unref(dev);
} }