rms/uhubctl
1
0
Fork 0
mirror of https://github.com/mvp/uhubctl.git synced 2026-05-17 00:16:13 +03:00
Code Issues Packages Projects Releases Wiki Activity

Construct root USB device sysfs path

Browse Source 
Fixes #578. See issue for discussion.

Signed-off-by: Christian Svensson <blue@cmd.nu>
This commit is contained in:
Christian Svensson
2024-08-05 21:28:51 +02:00
committed by mvp
parent 359d887927
commit 2df4681826
1 changed files with 11 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
uhubctl.c
View File

@@ -574,10 +574,17 @@ static int set_port_status_linux(struct libusb_device_handle *devh, struct hub_i
* The "disable" sysfs interface is available only starting with kernel version 6.0.
* For earlier kernel versions the open() call will fail and we fall back to using libusb.
*/
snprintf(disable_path, PATH_MAX,
"/sys/bus/usb/devices/%s:%d.0/%s-port%i/disable",
hub->location, configuration, hub->location, port
);
if (hub->pn_len == 0) {
snprintf(disable_path, PATH_MAX,
"/sys/bus/usb/devices/%s-0:%d.0/usb%s-port%i/disable",
hub->location, configuration, hub->location, port
);
} else {
snprintf(disable_path, PATH_MAX,
"/sys/bus/usb/devices/%s:%d.0/%s-port%i/disable",
hub->location, configuration, hub->location, port
);
}
int disable_fd = open(disable_path, O_WRONLY);
if (disable_fd >= 0) {