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* libusbhost: It's no longer assumed that "bus/usb" exists once "bus" was createdZiv Hendel2013-08-261-3/+16
| | | | | | | | | | On some devices there is a slight delay between the creation of "/dev/bus" and "/dev/bus/usb". Previously, the code assumed that both are created in the same time which caused "watch_existing_subdirs" to fail and libusbhost to stop working until the device is rebooted. The fix will setup an inotify event on the creation of the "bus/usb" so it will not be missed once it's created. Change-Id: I17f06dd167e61573307425e48898e12ebc954093
* Properly handle cases of multiple inotify eventsZiv Hendel2013-03-251-39/+44
| | | | | | | Bug: 8469799 Change-Id: Ie10242dd05becd142cc84651d5e5795e4c02270d Signed-off-by: Igor Murashkin <iam@google.com> Signed-off-by: Adam Hampson <ahampson@google.com>
* libusbhost: generates a static libraryGuillaume Ranquet2012-12-101-0/+10
| | | | | | | | | | due to limitations of the droidboot OS used for POS, there's a need for a static libusbhost library. this permits to include libusbhost in droidboot Change-Id: I0f0c07817ad19b773b466b69fd6e997877d41b34 Signed-off-by: Guillaume Ranquet <guillaumex.ranquet@intel.com>
* libusbhost: permits client polling on inotify wdGuillaume Ranquet2012-12-101-65/+105
| | | | | | | | | | | | Modify libusbhost to expose the inotify watch descriptor to clients This modification permits clients to add the watch descriptor to their polling loop so that they don't have to use a dedicated thread only for libusbhost. Change-Id: I615bfcd56beab978135034b228d4d93337351eab Signed-off-by: Guillaume Ranquet <guillaumex.ranquet@intel.com> Signed-off-by: Luc Piguet-Lacroix <lucx.piguet-lacroix@intel.com>
* libusbhost: Fix USB device discovery on bootBenoit Goby2012-08-021-15/+43
| | | | | | | | On some devices, /dev/bus/usb does not exist on boot, it is only created when the otg port is in host mode. Use inotify to detect when /dev/bus/usb is created and then start watching subdirectories. Change-Id: Ic1472a5ea7a7118cdbb560cc7071ade9bcee753a
* libusbhost: Fix possible missed "device added" notificationBenoit Goby2012-08-021-20/+43
| | | | | | | | | | When a new bus is added, check for existing devices in the bus directory, since devices may have been added before calling inotify_add_watch. Also add missing inotify_rm_watch calls. Change-Id: Ie69fc995a3e8b18431099b252be86f0054fe5531
* Rename (IF_)LOGD(_IF) to (IF_)ALOGD(_IF) DO NOT MERGESteve Block2012-01-031-1/+1
| | | | | Bug: 5449033 Change-Id: I9244d927f14c750cd359ebffb1fc1c355a755d5a
* libusbhost: Limit bulk transfer requests to 16384 bytesMike Lockwood2011-03-121-1/+12
| | | | | | | | | Otherwise the kernel will return an EINVAL error Change-Id: I906472a4128eb26c5be7865142bc4a52464cf5f8 Bug: 4065217 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Save endpoint ID in usb_request structMike Lockwood2011-02-141-0/+1
| | | | | Change-Id: I2cf189cee67c2efbcf919c8bae1447a6cb112f02 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Add call for synchronous bulk transfersMike Lockwood2011-01-271-28/+46
| | | | | | | Also clean up and add timeout to control request transfer Change-Id: Ibc2d8ac64d0fa90e0a23e6225ce2c49b23bb0d97 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Add usb_device_connect_kernel_driver()Mike Lockwood2011-01-221-2/+17
| | | | | | | | | | This can be used to ask the kernel to disconnect its driver for a device so usb_device_claim_interface() can claim it instead. Also increased size of descriptor buffer and added some debugging logs Change-Id: I4945196d957fb8493716eb9b7e5463c06b168ef1 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Support for multiple pending requests on a single endpointMike Lockwood2011-01-062-56/+52
| | | | | | | Add new usb_request struct to replace usb_endpoint, which is no longer needed. Change-Id: Ia3637b3431a3597caced41bfec677ef0b044a453 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Add usb_device_get_name_from_unique_id()Mike Lockwood2010-12-291-0/+10
| | | | | | | This allows converting from unique IDs to USB device names Change-Id: I8e3b300790c01383aed8e3d4f547b54bcb7c2cd4 Signed-off-by: Mike Lockwood <lockwood@android.com>
* Change libusbhost from static to shared libraryMike Lockwood2010-12-291-2/+2
| | | | | Change-Id: I0c16cc4536c4ab700c33433c8a6323ade7cfc95d Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Fix breakage due to not storing dev_name in struct usb_deviceMike Lockwood2010-12-151-0/+1
| | | | | Change-Id: Iefac9b31f900edb2dbd594f9eff9113b2038757d Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Add accessor for the USB device descriptorMike Lockwood2010-12-131-0/+5
| | | | | Change-Id: Ic3a54e2a06f3b4fa72f99b64025a911fbf525daf Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Add support for creating a usb_device struct from an existing fdMike Lockwood2010-12-131-23/+51
| | | | | | | We will use this for sharing USB file descriptors across address spaces via Binder Change-Id: Iadbd3e0a4178f79d1d778fdfd5175f6fe0e2aaf5 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: add usb_device_get_unique_id_from_name()Mike Lockwood2010-07-271-0/+7
| | | | | Change-Id: Idce54fc26d0432d4dc46f605623c4960c0e8690f Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Add usb_device_send_control for sending raw commands on endpoint 0.Mike Lockwood2010-07-241-28/+34
| | | | | Change-Id: If883f2690c4031b9ba4d5cf943b5bf5c13193bce Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Fix deadlock on devices without USB host support.Mike Lockwood2010-07-201-0/+2
| | | | | Change-Id: Ic91f99d1169fcdc00474dd6a870eb7e614128bc2 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Add callback to usb_host_run to notify when initial device ↵Mike Lockwood2010-07-201-0/+3
| | | | | | | | | | | discovery is done This can be used to eliminate race conditions in clients that operate immediately on the currently connected device list. Signed-off-by: Mike Lockwood <lockwood@android.com> Change-Id: I14954b9fcc84239950ead6bdc1a0a888882c2226
* libusbhost: The client is now responsible for creating the thread that ↵Mike Lockwood2010-07-011-47/+49
| | | | | | | | | | monitors the bus This is to allow using a thread that is capable of calling through JNI to Java code to report USB device attached/removed events. Change-Id: Ia58592607a2c1f4357b31072044f5db5617d7f5b Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Use logcat for debugging when building device library.Mike Lockwood2010-06-102-6/+20
| | | | Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Added usb_device_get_unique_idMike Lockwood2010-06-011-0/+8
| | | | Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: Remove global data to allow multiple instances in the same process.Mike Lockwood2010-05-251-23/+25
| | | | | Change-Id: I977145f44131ec8b588dd274e0afbc563f3aa4c0 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: add usb_endpoint_get_device()Mike Lockwood2010-05-121-0/+5
| | | | | Change-Id: Ibe4ce0551faca5d2d8bec0fbd21315a393b9f208 Signed-off-by: Mike Lockwood <lockwood@android.com>
* libusbhost: new library for Linux USB host support.Mike Lockwood2010-05-102-0/+497
Supports access to Linux usbdevfs on both device and Linux host. Change-Id: Ie88a5193be3ee715792b10b34b3da32ffc4ca57b Signed-off-by: Mike Lockwood <lockwood@android.com>
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