MiPad4/android_device_xiaomi_sdm660-common
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sdm660-common: ir: Wire up lirc/spi logic

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* Before loading the HAL, make sure the device exists

Change-Id: Ice2a1322ef8d7a3a7d7371a3bdd86547dec20bf1
Signed-off-by: clarencelol <clarencekuiek@icloud.com>
Signed-off-by: OdSazib <odsazib@gmail.com>
This commit is contained in:
Sebastiano Barezzi 2021-09-13 12:23:27 +02:00 committed by pix106
parent fa7fa65ffb
commit 47b8b542c7
1 changed files with 38 additions and 8 deletions
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42
ir/ConsumerIr.cpp
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@ -19,16 +19,46 @@ namespace ir {
namespace V1_0 { namespace V1_0 {
namespace implementation { namespace implementation {
ConsumerIr::ConsumerIr() : mDevice(nullptr) { typedef struct ir_device {
const hw_module_t *hw_module = NULL; const std::string name;
const std::string device_path;
} ir_device_t;
int ret = hw_get_module(CONSUMERIR_HARDWARE_MODULE_ID, &hw_module); const static ir_device_t devices[] = {
{"lirc", "/dev/lirc0"},
{"spi", "/dev/spidev7.1"},
};
ConsumerIr::ConsumerIr() : mDevice(nullptr) {
const hw_module_t *hw_module;
int ret;
for (auto& [name, device_path] : devices) {
hw_module = NULL;
ret = 0;
if (access(device_path.c_str(), F_OK) == -1)
continue;
ret = hw_get_module_by_class(CONSUMERIR_HARDWARE_MODULE_ID, name.c_str(), &hw_module);
if (ret != 0) { if (ret != 0) {
LOG(FATAL) << "hw_get_module " CONSUMERIR_HARDWARE_MODULE_ID " failed: " << ret; LOG(ERROR) << "hw_get_module " CONSUMERIR_HARDWARE_MODULE_ID " (class "
<< name << ") failed: " << ret;
continue;
} }
ret = hw_module->methods->open(hw_module, CONSUMERIR_TRANSMITTER, (hw_device_t **) &mDevice); ret = hw_module->methods->open(hw_module, CONSUMERIR_TRANSMITTER,
(hw_device_t **) &mDevice);
if (ret < 0) { if (ret < 0) {
LOG(FATAL) << "Can't open consumer IR transmitter, error: " << ret; LOG(ERROR) << "Can't open consumer IR transmitter (class " << name
<< "), error: " << ret;
mDevice = nullptr;
continue;
}
break;
}
if (mDevice == nullptr) {
LOG(FATAL) << "Could not find a working ConsumerIR HAL";
} }
} }