input: detect dead devices, always set keynames

[libpicofe.git] / linux / in_evdev.c

diff --git a/linux/in_evdev.c b/linux/in_evdev.c
index edfa6ef..f11f3a4 100644 (file)
--- a/linux/in_evdev.c
+++ b/linux/in_evdev.c
@@ -1,3 +1,13 @@
+/*
+ * (C) Gražvydas "notaz" Ignotas, 2008-2010
+ *
+ * This work is licensed under the terms of any of these licenses
+ * (at your option):
+ *  - GNU GPL, version 2 or later.
+ *  - GNU LGPL, version 2.1 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
@@ -251,9 +261,11 @@ static void in_evdev_free(void *drv_data)
        free(dev);
 }
 
-static int in_evdev_get_bind_count(void)
+static const char * const *
+in_evdev_get_key_names(int *count)
 {
-       return KEY_CNT;
+       *count = KEY_CNT;
+       return in_evdev_keys;
 }
 
 static void or_binds(const int *binds, int key, int *result)
@@ -392,11 +404,14 @@ static int in_evdev_update_keycode(void *data, int *is_down)
        struct input_event ev;
        int rd;
 
+       /* do single event, the caller sometimes wants
+        * to do select() in blocking mode */
        rd = read(dev->fd, &ev, sizeof(ev));
        if (rd < (int) sizeof(ev)) {
                if (errno != EAGAIN) {
                        perror("in_evdev: error reading");
-                       sleep(1);
+                       //sleep(1);
+                       ret_kc = -2;
                }
                goto out;
        }
@@ -517,6 +532,8 @@ static int in_evdev_menu_translate(void *drv_data, int keycode)
        return 0;
 }
 
+/* FIXME: move to plat */
+#if 0
 static const struct {
        short code;
        char btype;
@@ -550,16 +567,18 @@ static const struct {
        { BTN_PINKIE,   IN_BINDTYPE_EMU, PEVB_STATE_LOAD },
        { BTN_BASE,     IN_BINDTYPE_EMU, PEVB_MENU },
 };
-
-#define DEF_BIND_COUNT (sizeof(in_evdev_def_binds) / sizeof(in_evdev_def_binds[0]))
+#endif
 
 static void in_evdev_get_def_binds(int *binds)
 {
        int i;
 
-       for (i = 0; i < DEF_BIND_COUNT; i++)
-               binds[IN_BIND_OFFS(in_evdev_def_binds[i].code, in_evdev_def_binds[i].btype)] =
-                       1 << in_evdev_def_binds[i].bit;
+       for (i = 0; ; i++) {
+               if (in_evdev_defbinds[i].bit == 0 && in_evdev_defbinds[i].code == 0)
+                       break;
+               binds[IN_BIND_OFFS(in_evdev_defbinds[i].code, in_evdev_defbinds[i].btype)] =
+                       1 << in_evdev_defbinds[i].bit;
+       }
 }
 
 /* remove binds of missing keys, count remaining ones */
@@ -569,10 +588,11 @@ static int in_evdev_clean_binds(void *drv_data, int *binds, int *def_binds)
        in_evdev_t *dev = drv_data;
        int i, t, ret, offs, count = 0;
 
+       memset(keybits, 0, sizeof(keybits));
        ret = ioctl(dev->fd, EVIOCGBIT(EV_KEY, sizeof(keybits)), keybits);
        if (ret == -1) {
                perror("in_evdev: ioctl failed");
-               memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
+               // memset(keybits, 0xff, sizeof(keybits)); /* mark all as good */
        }
 
        if (dev->abs_lzone != 0) {
@@ -604,7 +624,7 @@ void in_evdev_init(void *vdrv)
        drv->prefix = in_evdev_prefix;
        drv->probe = in_evdev_probe;
        drv->free = in_evdev_free;
-       drv->get_bind_count = in_evdev_get_bind_count;
+       drv->get_key_names = in_evdev_get_key_names;
        drv->get_def_binds = in_evdev_get_def_binds;
        drv->clean_binds = in_evdev_clean_binds;
        drv->set_config = in_evdev_set_config;