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| author | Steve Markgraf <steve@steve-m.de> | 2020-01-26 20:52:24 +0100 |
|---|---|---|
| committer | Steve Markgraf <steve@steve-m.de> | 2020-01-26 20:52:24 +0100 |
| commit | f05c961455f2c9aabce71ec3d9592199b07c47da (patch) | |
| tree | a13608ef1088769a661bf93c0f6cd744d2a2191a | |
| parent | a9f3771eb6ad4f9afb98d346dc6c54a1812d6e73 (diff) | |
| download | osmo-fl2k-f05c961455f2c9aabce71ec3d9592199b07c47da.tar.gz osmo-fl2k-f05c961455f2c9aabce71ec3d9592199b07c47da.tar.bz2 osmo-fl2k-f05c961455f2c9aabce71ec3d9592199b07c47da.zip | |
lib: fall back to iface 1 in case iface 0 altsetting 1 fails
Some people on the mailing list reported that with older kernels
setting interface 0 altsetting 1 does not work, fall back to the
old behavior in this case for now, while still investigating the
root cause of this problem.
| -rw-r--r-- | src/libosmo-fl2k.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/src/libosmo-fl2k.c b/src/libosmo-fl2k.c index 7478893..9ebe130 100644 --- a/src/libosmo-fl2k.c +++ b/src/libosmo-fl2k.c @@ -447,8 +447,13 @@ int fl2k_open(fl2k_dev_t **out_dev, uint32_t index) r = libusb_set_interface_alt_setting(dev->devh, 0, 1); if (r < 0) { - fprintf(stderr, "Error enabling IF 0 altsetting 1: %d\n", r); - goto err; + fprintf(stderr, "Failed to switch interface 0 to " + "altsetting 1, trying to use interface 1\n"); + + r = libusb_claim_interface(dev->devh, 1); + if (r < 0) { + fprintf(stderr, "Could not claim interface 1: %d\n", r); + } } r = fl2k_init_device(dev); |