![]() ![]() Shall be smaller than the LowDut圜ycleScanInterval parameterĠx0C80. Shall be equal or smaller than the HighDut圜ycleScanInterval parameterĠx4000. More information on how to use this directive can be found in INF AddReg Directive. You can override the default system scanning parameters by providing one or more of the following scanning parameters listed below into the AddReg directive. Profile drivers can specify scanning parameters settings for their device(s) in their profile driver's INF file to tailor to the specific needs of a given device scenario. If the COD Major and COD Type values are not set or are set to invalid values, the Bluetooth class installer will set these values to COD_MAJOR_COMPUTER and COD_COMPUTER_MINOR_DESKTOP, respectively. The COD_SERVICE_XXX bits are not affected by this registry entry. These values affect only the COD_MAJOR_XXX and COD_XXX_MINOR_XXX bits of the Class of Device. In this case, updating the OS and system drivers (especially, the Bluetooth driver) may solve the problem. The Bluetooth profile driver, BthPort.sys, reads the COD Major and COD Type values to determine how it should respond to a device inquiry. The Bluetooth issue may emerge as a result of an outdated version of the system’s Windows and its device drivers (as it may create the incompatibility between the essential OS modules). You can set the COD Major and COD Type to DWORD values as defined for the Class of Device field values in the Bluetooth SIG Assigned Numbers. Note that setting these values changes the Bluetooth Class of Device for the system, regardless of which Bluetooth radio may be attached. HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\BTHPORT\Parameters The registry path to the COD Major and COD Type values is: After the Bluetooth class installer sets the Class of Device based on these registry values, a remote device can determine whether it is connecting to a portable computer, a desktop computer, a phone, and so on. Original equipment manufacturer (OEMs) can use the COD Major and COD Type values to indicate the Class of Device for a Bluetooth-enabled Windows device. I'll see how it goes with the minimum power consumption setting.This section describes the class-of-device (CoD) registry subkeys and entries that apply to the Bluetooth driver stack. This reduced attempts at scanning networks as well. This is not "allow disabling this device to save power" setting, but the "Advanced" driver setting.Īnother trick for me before this was to connect to wifi, even though I had wired connection to the router. To that end, what helped me most just now is the "Minimum Power Consumption" set to "Enable" in driver properties. So the target to fix the audio stuttering is to make the wifi device shut up and not scan wifi when not needed. It seems like it collaborates enough when it's actually connected (or my router isn't using conflicting frequencies). Moreover, it tries to scan for wifi networks even when wired connection available and when wifi is actually connected despite the setting. It might be associated with the problem mentioned in this post.Īs far as I can tell from the symptoms over the past couple of weeks., the shitty broadcom drivers don't collaborate with bluetooth during wifi scanning specifically. It seems like bluetooth doesn't work properly if I don't turn off bluetooth in macOS before I switch to boot camp.
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