Revision 2cc59d8c
| b/usb-linux.c | ||
|---|---|---|
| 152 | 152 |
static int usb_host_close(USBHostDevice *dev); |
| 153 | 153 |
static int parse_filter(const char *spec, struct USBAutoFilter *f); |
| 154 | 154 |
static void usb_host_auto_check(void *unused); |
| 155 |
static int usb_host_read_file(char *line, size_t line_size, |
|
| 156 |
const char *device_file, const char *device_name); |
|
| 155 | 157 |
|
| 156 | 158 |
static int is_isoc(USBHostDevice *s, int ep) |
| 157 | 159 |
{
|
| ... | ... | |
| 781 | 783 |
struct usb_ctrltransfer ct; |
| 782 | 784 |
int ret; |
| 783 | 785 |
|
| 786 |
if (usb_fs_type == USB_FS_SYS) {
|
|
| 787 |
char device_name[32], line[1024]; |
|
| 788 |
int configuration; |
|
| 789 |
|
|
| 790 |
sprintf(device_name, "%d-%d", s->bus_num, s->devpath); |
|
| 791 |
|
|
| 792 |
if (!usb_host_read_file(line, sizeof(line), "bConfigurationValue", |
|
| 793 |
device_name)) {
|
|
| 794 |
goto usbdevfs; |
|
| 795 |
} |
|
| 796 |
if (sscanf(line, "%d", &configuration) != 1) {
|
|
| 797 |
goto usbdevfs; |
|
| 798 |
} |
|
| 799 |
return configuration; |
|
| 800 |
} |
|
| 801 |
|
|
| 802 |
usbdevfs: |
|
| 784 | 803 |
ct.bRequestType = USB_DIR_IN; |
| 785 | 804 |
ct.bRequest = USB_REQ_GET_CONFIGURATION; |
| 786 | 805 |
ct.wValue = 0; |
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