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bindings: input: qcom-hv-haptics: Add qcom,fifo-empty-threshold

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Add optional property "qcom,fifo-empty-threshold" to specify the
FIFO empty threshold. The module would generate fifo-empty
interrupt when the number of samples in the FIFO is less than this
threshold.

Change-Id: Iceeb2d806bf6115f9fc557b656b06bb22cb77dd4
This commit is contained in:
Fenglin Wu 2020-03-30 15:14:14 +08:00
commit 719ee15464
1 changed files with 9 additions and 0 deletions
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9
bindings/input/qcom-hv-haptics.txt
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@ -70,6 +70,15 @@ Properties:
or if it's defined as an array with all zeros, then manual
brake is disabled.
- qcom,fifo-empty-threshold:
Usage: optional
Value type: <u32>
Definition: Specifies the FIFO empty threshold. The "fifo-empty" IRQ will be
triggered when the number of the samples in the FIFO is less
than the threshold. For PM8350B v1, allowed value is 1 - 103
and the default value is 48. For PM8350B v2, allowed value is
1 - 639 and the default value is 280.
- qcom,use-erm:
Usage: optional
Value type: <bool>