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50 lines
1.4 KiB
Markdown
50 lines
1.4 KiB
Markdown
Conexant Audio Support
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======================
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Introduction
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------------
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This plugin is used to update a small subset of Conexant (now owned by Synaptics)
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audio devices.
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Firmware Format
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---------------
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The daemon will decompress the cabinet archive and extract a firmware blob in
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a modified SREC file format.
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This plugin supports the following protocol ID:
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* com.synaptics.synaptics-cxaudio
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GUID Generation
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---------------
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These devices use the standard USB DeviceInstanceId values, e.g.
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* `USB\VID_17EF&PID_3083&REV_0001`
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* `USB\VID_17EF&PID_3083`
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* `USB\VID_17EF`
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These devices also use custom GUID values, e.g.
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* `SYNAPTICS_CXAUDIO\CX2198X`
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* `SYNAPTICS_CXAUDIO\CX21985`
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Vendor ID Security
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------------------
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The vendor ID is set from the USB vendor, in this instance set to `USB:0x17EF`
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Quirk Use
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---------
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This plugin uses the following plugin-specific quirks:
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| Quirk | Description | Minimum fwupd version |
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|----------------------------|----------------------------------|-----------------------|
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| `ChipIdBase` | Base integer for ChipID | 1.3.2 |
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| `IsSoftwareResetSupported` | If the chip supports self-reset | 1.3.2 |
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| `EepromPatchValidAddr` | Address of patch location #1 | 1.3.2 |
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| `EepromPatch2ValidAddr` | Address of patch location #2 | 1.3.2 |
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