yetangitu/android_device_xiaomi_whyred
1
0
Fork 0
mirror of https://github.com/LineageOS/android_device_xiaomi_whyred.git synced 2025-10-03 09:49:16 +02:00
Code Issues Releases Wiki Activity

whyred: fingerprint: Load goodix HAL if loading the fpc HAL fails

Browse source 
Change-Id: I5d45d1c655e69c34de16e6813eee80b07d30dda9
This commit is contained in:
Christopher R. Palmer 2017-01-09 05:35:05 -05:00 • committed by Vasishath Kaushal
parent fd644c012f
commit 29fa5da482
1 changed files with 28 additions and 9 deletions
Download patch file Download diff file Expand all files Collapse all files

37
fingerprint/FingerprintWrapper.cpp
View file

@ -38,18 +38,37 @@ static union {
const hw_module_t *hw_module; const hw_module_t *hw_module;
} vendor; } vendor;
static bool ensure_vendor_module_is_loaded(void) static bool try_hal(const char *class_name, const char *device_name)
{
const hw_module_t *module;
int rv = hw_get_module_by_class("fingerprint", class_name, &module);
if (rv) {
ALOGE("Failed to open fingerprint module: class %s, error %d", class_name, rv);
vendor.module = NULL;
} else {
hw_device_t *device;
ALOGI("loaded fingerprint module, class %s: %s version %x", class_name, module->name,
module->module_api_version);
if (module->methods->open(module, device_name, &device) == 0) {
device->close(device);
ALOGI("Successfully loaded the device for fingerprint module, class %s", class_name);
vendor.hw_module = module;
} else {
ALOGE("Failed to open a device using fingerprint HAL, class %s", class_name);
}
}
return vendor.module != NULL;
}
static bool ensure_vendor_module_is_loaded(const char *device_name)
{ {
android::Mutex::Autolock lock(vendor_mutex); android::Mutex::Autolock lock(vendor_mutex);
if (!vendor.module) { if (!vendor.module) {
int rv = hw_get_module_by_class("fingerprint", "vendor", &vendor.hw_module); if (!try_hal("fpc", device_name)) {
if (rv) { try_hal("goodix", device_name);
ALOGE("failed to open vendor module, error %d", rv);
vendor.module = NULL;
} else {
ALOGI("loaded vendor module: %s version %x", vendor.module->common.name,
vendor.module->common.module_api_version);
} }
} }
@ -140,7 +159,7 @@ static int device_open(const hw_module_t *module, const char *name, hw_device_t
int rv; int rv;
device_t *device; device_t *device;
if (!ensure_vendor_module_is_loaded()) { if (!ensure_vendor_module_is_loaded(name)) {
return -EINVAL; return -EINVAL;
} }