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2024-05-10 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb

 kernel/include/linux/mfd/stmpe.h
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@@ -1,7 +1,7 @@
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+/* SPDX-License-Identifier: GPL-2.0-only */
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 /*
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  * Copyright (C) ST-Ericsson SA 2010
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  *
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- * License Terms: GNU General Public License, version 2
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  * Author: Rabin Vincent <rabin.vincent@stericsson.com> for ST-Ericsson
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  */
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@@ -9,6 +9,20 @@
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 #define __LINUX_MFD_STMPE_H
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 #include <linux/mutex.h>
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+
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+#define STMPE_SAMPLE_TIME(x)	((x & 0xf) << 4)
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+#define STMPE_MOD_12B(x)	((x & 0x1) << 3)
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+#define STMPE_REF_SEL(x)	((x & 0x1) << 1)
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+#define STMPE_ADC_FREQ(x)	(x & 0x3)
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+#define STMPE_AVE_CTRL(x)	((x & 0x3) << 6)
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+#define STMPE_DET_DELAY(x)	((x & 0x7) << 3)
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+#define STMPE_SETTLING(x)	(x & 0x7)
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+#define STMPE_FRACTION_Z(x)	(x & 0x7)
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+#define STMPE_I_DRIVE(x)	(x & 0x1)
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+#define STMPE_OP_MODE(x)	((x & 0x7) << 1)
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+
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+#define STMPE811_REG_ADC_CTRL1	0x20
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+#define STMPE811_REG_ADC_CTRL2	0x21
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 struct device;
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 struct regulator;
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@@ -123,6 +137,12 @@
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 	u8 ier[2];
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 	u8 oldier[2];
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 	struct stmpe_platform_data *pdata;
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+
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+	/* For devices that use an ADC */
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+	u8 sample_time;
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+	u8 mod_12b;
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+	u8 ref_sel;
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+	u8 adc_freq;
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 };
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 extern int stmpe_reg_write(struct stmpe *stmpe, u8 reg, u8 data);
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@@ -136,6 +156,7 @@
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 			     enum stmpe_block block);
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 extern int stmpe_enable(struct stmpe *stmpe, unsigned int blocks);
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 extern int stmpe_disable(struct stmpe *stmpe, unsigned int blocks);
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+extern int stmpe811_adc_common_init(struct stmpe *stmpe);
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 #define STMPE_GPIO_NOREQ_811_TOUCH	(0xf0)
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