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ltunify: Add support for c52f nano receiver

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This commit is contained in:
Peter Wu
2013-05-22 12:34:11 +02:00
parent c8916f18f6
commit b73fcc67e7
1 changed files with 22 additions and 0 deletions
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22
ltunify.c
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@@ -43,6 +43,9 @@ static bool debug_enabled;
typedef unsigned char u8; typedef unsigned char u8;
#define VID_LOGITECH 0x046d
#define PID_NANO_RECEIVER 0xc52f
#define HEADER_SIZE 3 #define HEADER_SIZE 3
#define SHORT_MESSAGE 0x10 #define SHORT_MESSAGE 0x10
#define SHORT_MESSAGE_LEN 7 #define SHORT_MESSAGE_LEN 7
@@ -1117,6 +1120,25 @@ int open_hidraw(void) {
if (!strcmp(last_comp, RECEIVER_NAME)) { if (!strcmp(last_comp, RECEIVER_NAME)) {
/* Logitech receiver c52b and c532 - pass */ /* Logitech receiver c52b and c532 - pass */
} else if (!strcmp(last_comp, "hid-generic")) {
/* need to test for older nano receiver c52f */
FILE *fp;
uint32_t vid = 0, pid = 0;
// Assume that the first match is the receiver. Devices bound to the
// same receiver may have the same modalias.
snprintf(buf, sizeof buf, "/sys/class/hidraw/%s/device/modalias", dev_name);
if ((fp = fopen(buf, "r"))) {
int m = fscanf(fp, "hid:b%*04Xg%*04Xv%08Xp%08X", &vid, &pid);
if (m != 2) {
pid = 0;
}
fclose(fp);
}
if (vid != VID_LOGITECH || pid != PID_NANO_RECEIVER) {
continue;
}
} else { /* unknown driver */ } else { /* unknown driver */
continue; continue;
} }