Squashed backup commit (no shallow-clone history issues) of xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2 branch, upstream commit 9eece662e) plus all fixes applied to get everpal_defconfig building clean against a modern (GCC 15.2.0) toolchain -- see the previous commit message on the lineage-23.2 branch (also in this repo history is not available here since this is a squashed snapshot; full incremental history lives in the local DL380 checkout and the upstream GitHub remote). Upstream: https://github.com/xiaomi-mt6833-dev/kernel_xiaomi_mt6833 (lineage-23.2)
26 lines
835 B
C
26 lines
835 B
C
/* SPDX-License-Identifier: GPL-2.0 */
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/* linux/spi/ad7877.h */
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/* Touchscreen characteristics vary between boards and models. The
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* platform_data for the device's "struct device" holds this information.
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*
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* It's OK if the min/max values are zero.
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*/
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struct ad7877_platform_data {
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u16 model; /* 7877 */
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u16 vref_delay_usecs; /* 0 for external vref; etc */
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u16 x_plate_ohms;
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u16 y_plate_ohms;
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u16 x_min, x_max;
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u16 y_min, y_max;
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u16 pressure_min, pressure_max;
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u8 stopacq_polarity; /* 1 = Active HIGH, 0 = Active LOW */
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u8 first_conversion_delay; /* 0 = 0.5us, 1 = 128us, 2 = 1ms, 3 = 8ms */
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u8 acquisition_time; /* 0 = 2us, 1 = 4us, 2 = 8us, 3 = 16us */
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u8 averaging; /* 0 = 1, 1 = 4, 2 = 8, 3 = 16 */
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u8 pen_down_acc_interval; /* 0 = covert once, 1 = every 0.5 ms,
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2 = ever 1 ms, 3 = every 8 ms,*/
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};
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