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| author |   Shuming Fan <shumingf@realtek.com> | 2019-10-16 19:56:17 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@kernel.org> | 2019-10-16 13:56:49 +0100 |
| commit | cf775f68a0939f0e5aad5855f63338c4b5e51c59 (patch) | |
| tree | 389e324e497def0c4fdcae06a5839b9d3fc8b90a /Documentation/devicetree/bindings/sound | |
| parent | ASoC: wm8958: use <asm/unaligned.h> to simplify code (diff) | |
| download | linux-dev-cf775f68a0939f0e5aad5855f63338c4b5e51c59.tar.xz linux-dev-cf775f68a0939f0e5aad5855f63338c4b5e51c59.zip | |
ASoC: dt-bindings: rt1011: add r0 and temperature device property
Typically, the r0 (calibration data) and temperature were measured in the factory.
This information is written into the non-volatile area
where keeps data whether factory reset or OS update.
Signed-off-by: Shuming Fan <shumingf@realtek.com>
Link: https://lore.kernel.org/r/20191016115617.23213-1-shumingf@realtek.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'Documentation/devicetree/bindings/sound')
| -rw-r--r-- | Documentation/devicetree/bindings/sound/rt1011.txt | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/Documentation/devicetree/bindings/sound/rt1011.txt b/Documentation/devicetree/bindings/sound/rt1011.txt index 35a23e60d679..02d53b9aa247 100644 --- a/Documentation/devicetree/bindings/sound/rt1011.txt +++ b/Documentation/devicetree/bindings/sound/rt1011.txt @@ -20,6 +20,14 @@ Required properties: | 1 | 1 | 0x3b | ------------------------------------- +Optional properties: + +- realtek,temperature_calib + u32. The temperature was measured while doing the calibration. Units: Celsius degree + +- realtek,r0_calib + u32. This is r0 calibration data which was measured in factory mode. + Pins on the device (for linking into audio routes) for RT1011: * SPO @@ -29,4 +37,6 @@ Example: rt1011: codec@38 { compatible = "realtek,rt1011"; reg = <0x38>; + realtek,temperature_calib = <25>; + realtek,r0_calib = <0x224050>; }; |