> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.
# Device
**Header:** `device/inc/Device.h`
## Structures
### `Device`
**Members**
#### Functions
##### `Device`
*protected*
```cpp theme={null}
Device(struct pal_device *device, std::shared_ptr< ResourceManager > Rm)
```
##### `Device`
*protected*
```cpp theme={null}
Device()
```
##### `configureDeviceClockSrc`
*protected*
```cpp theme={null}
int32_t configureDeviceClockSrc(char const *mixerStrClockSrc, const uint32_t clockSrc)
```
##### `init`
```cpp theme={null}
int init(pal_param_device_connection_t device_conn)
```
##### `deinit`
```cpp theme={null}
int deinit(pal_param_device_connection_t device_conn)
```
##### `getDefaultConfig`
```cpp theme={null}
int getDefaultConfig(pal_param_device_capability_t capability)
```
##### `open`
```cpp theme={null}
int open()
```
##### `close`
```cpp theme={null}
int close()
```
##### `start`
```cpp theme={null}
int start()
```
##### `start_l`
```cpp theme={null}
int start_l()
```
##### `stop`
```cpp theme={null}
int stop()
```
##### `stop_l`
```cpp theme={null}
int stop_l()
```
##### `prepare`
```cpp theme={null}
int prepare()
```
##### `getSndDeviceId`
```cpp theme={null}
int getSndDeviceId()
```
##### `getDeviceCount`
```cpp theme={null}
int getDeviceCount()
```
##### `getPALDeviceName`
```cpp theme={null}
std::string getPALDeviceName()
```
##### `setDeviceAttributes`
```cpp theme={null}
int setDeviceAttributes(struct pal_device &dattr)
```
##### `getDeviceAttributes`
```cpp theme={null}
int getDeviceAttributes(struct pal_device *dattr, Stream *streamHandle=NULL)
```
##### `getCodecConfig`
```cpp theme={null}
int getCodecConfig(struct pal_media_config *config)
```
##### `updateCustomPayload`
```cpp theme={null}
int updateCustomPayload(void *payload, size_t size)
```
##### `freeCustomPayload`
```cpp theme={null}
int freeCustomPayload(uint8_t **payload, size_t *payloadSize)
```
##### `getCustomPayload`
```cpp theme={null}
void * getCustomPayload()
```
##### `getCustomPayloadSize`
```cpp theme={null}
size_t getCustomPayloadSize()
```
##### `setDeviceParameter`
```cpp theme={null}
int32_t setDeviceParameter(uint32_t param_id, void *param)
```
##### `setParameter`
```cpp theme={null}
int32_t setParameter(uint32_t param_id, void *param)
```
##### `getDeviceParameter`
```cpp theme={null}
int32_t getDeviceParameter(uint32_t param_id, void **param)
```
##### `getParameter`
```cpp theme={null}
int32_t getParameter(uint32_t param_id, void **param)
```
##### `isDeviceReady`
```cpp theme={null}
bool isDeviceReady(pal_device_id_t id)
```
##### `isScoNbWbActive`
```cpp theme={null}
bool isScoNbWbActive()
```
##### `checkAndUpdateSampleRate`
```cpp theme={null}
int32_t checkAndUpdateSampleRate(uint32_t *sampleRate)
```
##### `checkAndUpdateBitWidth`
```cpp theme={null}
int32_t checkAndUpdateBitWidth(uint32_t *bitWidth)
```
##### `selectBestConfig`
```cpp theme={null}
int selectBestConfig(struct pal_device *dattr, struct pal_stream_attributes *sattr, bool is_playback, struct pal_device_info *devinfo)
```
##### `getMaxChannel`
```cpp theme={null}
int getMaxChannel()
```
##### `getHighestSupportedSR`
```cpp theme={null}
int getHighestSupportedSR()
```
##### `isBitWidthSupported`
```cpp theme={null}
int32_t isBitWidthSupported(uint32_t bitWidth)
```
##### `isSupportedSR`
```cpp theme={null}
bool isSupportedSR(int sr)
```
##### `getHighestSupportedBps`
```cpp theme={null}
int getHighestSupportedBps()
```
##### `isDeviceConnected`
```cpp theme={null}
bool isDeviceConnected(struct pal_usb_device_address addr)
```
##### `checkDeviceStatus`
```cpp theme={null}
int32_t checkDeviceStatus()
```
##### `getDeviceConfig`
```cpp theme={null}
int32_t getDeviceConfig(struct pal_device *deviceattr, struct pal_stream_attributes *sAttr)
```
##### `bitsToAlsaFormat`
```cpp theme={null}
unsigned int bitsToAlsaFormat(unsigned int bits)
```
##### `getBeMixerControl`
```cpp theme={null}
struct mixer_ctl * getBeMixerControl(struct mixer *am, std::string beName, uint32_t idx)
```
##### `setCustomPayload`
```cpp theme={null}
int setCustomPayload(std::shared_ptr< ResourceManager > rmHandle, std::string backEndName, void *payload, size_t size)
```
##### `setMediaConfig`
```cpp theme={null}
int setMediaConfig(std::shared_ptr< ResourceManager > rmHandle, std::string backEndName, struct pal_device *dAttr)
```
##### `setSndName`
```cpp theme={null}
void setSndName(std::string snd_name)
```
##### `clearSndName`
```cpp theme={null}
void clearSndName()
```
##### `~Device`
```cpp theme={null}
~Device()
```
##### `getCurrentSndDevName`
```cpp theme={null}
void getCurrentSndDevName(char *name)
```
##### `setSampleRate`
```cpp theme={null}
void setSampleRate(uint32_t sr)
```
##### `setBitWidth`
```cpp theme={null}
void setBitWidth(uint32_t bw)
```
##### `lockDeviceMutex`
```cpp theme={null}
void lockDeviceMutex()
```
##### `unlockDeviceMutex`
```cpp theme={null}
void unlockDeviceMutex()
```
##### `compareStreamDevAttr`
```cpp theme={null}
bool compareStreamDevAttr(const struct pal_device *inDevAttr, const struct pal_device_info *inDevInfo, struct pal_device *curDevAttr, const struct pal_device_info *curDevInfo)
```
##### `insertStreamDeviceAttr`
```cpp theme={null}
int insertStreamDeviceAttr(struct pal_device *deviceAttr, Stream *streamHandle)
```
##### `removeStreamDeviceAttr`
```cpp theme={null}
void removeStreamDeviceAttr(Stream *streamHandle)
```
##### `getTopPriorityDeviceAttr`
```cpp theme={null}
int getTopPriorityDeviceAttr(struct pal_device *deviceAttr, uint32_t *streamPrio)
```
##### `isPluginDevice`
```cpp theme={null}
bool isPluginDevice(pal_device_id_t id)
```
##### `isDpDevice`
```cpp theme={null}
bool isDpDevice(pal_device_id_t id)
```
##### `isPluginPlaybackDevice`
```cpp theme={null}
bool isPluginPlaybackDevice(pal_device_id_t id)
```
##### `getInstance`
```cpp theme={null}
std::shared_ptr< Device > getInstance(struct pal_device *device, std::shared_ptr< ResourceManager > Rm)
```
##### `palToSndDriverFormat`
```cpp theme={null}
unsigned int palToSndDriverFormat(uint32_t fmt_id)
```
##### `initHdrRoutine`
```cpp theme={null}
int32_t initHdrRoutine(const char *hdr_custom_key)
```
## Macros
### `DEVICE_NAME_MAX_SIZE`
```c theme={null}
#define DEVICE_NAME_MAX_SIZE 128
```
### `DUMP_DEV_ATTR`
```c theme={null}
#define DUMP_DEV_ATTR 0
```
### `DEFAULT_OUTPUT_CHANNEL`
```c theme={null}
#define DEFAULT_OUTPUT_CHANNEL 2
```