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2021-06-04ASoC: codecs: wcd: add multi button Headset detection supportSrinivas Kandagatla
Most new Qualcomm WCD codecs support MBHC(Multi Button Headset Control) via ADC. This patchset adds support to Common parts of this MBHC support so that WCD codecs need not duplicate them. To do that codec exposes set of register fields and callbacks to this common driver to control it. Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org> Link: https://lore.kernel.org/r/20210604115230.23259-3-srinivas.kandagatla@linaro.org Signed-off-by: Mark Brown <broonie@kernel.org>