+++ /dev/null
-From 52f533a6c32f8e1e376c5a335cc067da16d59b61 Mon Sep 17 00:00:00 2001
-From: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-Date: Wed, 26 Jan 2011 15:49:39 +0100
-Subject: [PATCH] input-kbd - switch to using EVIOCGKEYCODE2 when available
-
-[mchehab@redhat.com: Ported it to the -git version]
-
-Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
-Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
----
- input-kbd.c | 110 +++++++++++++++++++++++++++++++++++++++--------------------
- input.c | 4 +-
- 2 files changed, 75 insertions(+), 39 deletions(-)
-
-diff --git a/input-kbd.c b/input-kbd.c
-index c432d0d..aaf23b9 100644
---- a/input-kbd.c
-+++ b/input-kbd.c
-@@ -9,9 +9,22 @@
-
- #include "input.h"
-
-+struct input_keymap_entry_v2 {
-+#define KEYMAP_BY_INDEX (1 << 0)
-+ uint8_t flags;
-+ uint8_t len;
-+ uint16_t index;
-+ uint32_t keycode;
-+ uint8_t scancode[32];
-+};
-+
-+#ifndef EVIOCGKEYCODE_V2
-+#define EVIOCGKEYCODE_V2 _IOR('E', 0x04, struct input_keymap_entry_v2)
-+#endif
-+
- struct kbd_entry {
-- int scancode;
-- int keycode;
-+ unsigned int scancode;
-+ unsigned int keycode;
- };
-
- struct kbd_map {
-@@ -23,7 +36,7 @@ struct kbd_map {
-
- /* ------------------------------------------------------------------ */
-
--static struct kbd_map* kbd_map_read(int fd)
-+static struct kbd_map* kbd_map_read(int fd, unsigned int version)
- {
- struct kbd_entry entry;
- struct kbd_map *map;
-@@ -32,17 +45,35 @@ static struct kbd_map* kbd_map_read(int fd)
- map = malloc(sizeof(*map));
- memset(map,0,sizeof(*map));
- for (map->size = 0; map->size < 65536; map->size++) {
-- entry.scancode = map->size;
-- entry.keycode = KEY_RESERVED;
-- rc = ioctl(fd, EVIOCGKEYCODE, &entry);
-- if (rc < 0) {
-- map->size--;
-- break;
-+ if (version < 0x10001) {
-+ entry.scancode = map->size;
-+ entry.keycode = KEY_RESERVED;
-+ rc = ioctl(fd, EVIOCGKEYCODE, &entry);
-+ if (rc < 0) {
-+ map->size--;
-+ break;
-+ }
-+ } else {
-+ struct input_keymap_entry_v2 ke = {
-+ .index = map->size,
-+ .flags = KEYMAP_BY_INDEX,
-+ .len = sizeof(uint32_t),
-+ .keycode = KEY_RESERVED,
-+ };
-+
-+ rc = ioctl(fd, EVIOCGKEYCODE_V2, &ke);
-+ if (rc < 0)
-+ break;
-+ memcpy(&entry.scancode, ke.scancode,
-+ sizeof(entry.scancode));
-+ entry.keycode = ke.keycode;
- }
-+
- if (map->size >= map->alloc) {
- map->alloc += 64;
- map->map = realloc(map->map, map->alloc * sizeof(entry));
- }
-+
- map->map[map->size] = entry;
-
- if (KEY_RESERVED != entry.keycode)
-@@ -156,37 +187,25 @@ static void kbd_print_bits(int fd)
- }
- }
-
--static void show_kbd(int nr)
-+static void show_kbd(int fd, unsigned int protocol_version)
- {
- struct kbd_map *map;
-- int fd;
-
-- fd = device_open(nr,1);
-- if (-1 == fd)
-- return;
- device_info(fd);
-
-- map = kbd_map_read(fd);
-- if (NULL != map) {
-- kbd_map_print(stdout,map,0);
-- } else {
-+ map = kbd_map_read(fd, protocol_version);
-+ if (map)
-+ kbd_map_print(stdout, map, 0);
-+ else
- kbd_print_bits(fd);
-- }
--
-- close(fd);
- }
-
--static int set_kbd(int nr, char *mapfile)
-+static int set_kbd(int fd, unsigned int protocol_version, char *mapfile)
- {
- struct kbd_map *map;
- FILE *fp;
-- int fd;
-
-- fd = device_open(nr,1);
-- if (-1 == fd)
-- return -1;
--
-- map = kbd_map_read(fd);
-+ map = kbd_map_read(fd, protocol_version);
- if (NULL == map) {
- fprintf(stderr,"device has no map\n");
- close(fd);
-@@ -203,14 +222,12 @@ static int set_kbd(int nr, char *mapfile)
- return -1;
- }
- }
--
-+
- if (0 != kbd_map_parse(fp,map) ||
- 0 != kbd_map_write(fd,map)) {
-- close(fd);
- return -1;
- }
-
-- close(fd);
- return 0;
- }
-
-@@ -224,8 +241,10 @@ static int usage(char *prog, int error)
-
- int main(int argc, char *argv[])
- {
-- int c,devnr;
-+ int c, devnr, fd;
- char *mapfile = NULL;
-+ unsigned int protocol_version;
-+ int rc = EXIT_FAILURE;
-
- for (;;) {
- if (-1 == (c = getopt(argc, argv, "hf:")))
-@@ -245,12 +264,29 @@ int main(int argc, char *argv[])
- usage(argv[0],1);
-
- devnr = atoi(argv[optind]);
-- if (mapfile) {
-- set_kbd(devnr,mapfile);
-- } else {
-- show_kbd(devnr);
-+
-+ fd = device_open(devnr, 1);
-+ if (fd < 0)
-+ goto out;
-+
-+ if (ioctl(fd, EVIOCGVERSION, &protocol_version) < 0) {
-+ fprintf(stderr,
-+ "Unable to query evdev protocol version: %s\n",
-+ strerror(errno));
-+ goto out_close;
- }
-- return 0;
-+
-+ if (mapfile)
-+ set_kbd(fd, protocol_version, mapfile);
-+ else
-+ show_kbd(fd, protocol_version);
-+
-+ rc = EXIT_SUCCESS;
-+
-+out_close:
-+ close(fd);
-+out:
-+ return rc;
- }
-
- /* ---------------------------------------------------------------------
-diff --git a/input.c b/input.c
-index d57a31e..a9bd5e8 100644
---- a/input.c
-+++ b/input.c
-@@ -101,8 +101,8 @@ int device_open(int nr, int verbose)
- close(fd);
- return -1;
- }
-- if (EV_VERSION != version) {
-- fprintf(stderr, "protocol version mismatch (expected %d, got %d)\n",
-+ if (EV_VERSION > version) {
-+ fprintf(stderr, "protocol version mismatch (expected >= %d, got %d)\n",
- EV_VERSION, version);
- close(fd);
- return -1;
---
-1.7.2.3
-
projects / openwrt / svn-archive / packages.git / commitdiff