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auxdisplay: charlcd: move charlcd.h to drivers/auxdisplay

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This header is included in drivers/auxdisplay/. Make it a local header.

Reviewed-by: Geert Uytterhoeven <[email protected]>
Signed-off-by: Masahiro Yamada <[email protected]>
Signed-off-by: Miguel Ojeda <[email protected]>
This commit is contained in:
Masahiro Yamada 2019-08-06 16:14:44 +09:00 • committed by Miguel Ojeda
commit 75354284cc
4 changed files with 3 additions and 4 deletions
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2
drivers/auxdisplay/charlcd.c
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@ -20,7 +20,7 @@
#include <generated/utsrelease.h>
#include <misc/charlcd.h>
#include "charlcd.h"
#define LCD_MINOR 156

39
drivers/auxdisplay/charlcd.h Normal file
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@ -0,0 +1,39 @@
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Character LCD driver for Linux
*
* Copyright (C) 2000-2008, Willy Tarreau <w@1wt.eu>
* Copyright (C) 2016-2017 Glider bvba
*/
struct charlcd {
const struct charlcd_ops *ops;
const unsigned char *char_conv; /* Optional */
int ifwidth; /* 4-bit or 8-bit (default) */
int height;
int width;
int bwidth; /* Default set by charlcd_alloc() */
int hwidth; /* Default set by charlcd_alloc() */
void *drvdata; /* Set by charlcd_alloc() */
};
struct charlcd_ops {
/* Required */
void (*write_cmd)(struct charlcd *lcd, int cmd);
void (*write_data)(struct charlcd *lcd, int data);
/* Optional */
void (*write_cmd_raw4)(struct charlcd *lcd, int cmd); /* 4-bit only */
void (*clear_fast)(struct charlcd *lcd);
void (*backlight)(struct charlcd *lcd, int on);
};
struct charlcd *charlcd_alloc(unsigned int drvdata_size);
void charlcd_free(struct charlcd *lcd);
int charlcd_register(struct charlcd *lcd);
int charlcd_unregister(struct charlcd *lcd);
void charlcd_poke(struct charlcd *lcd);

3
drivers/auxdisplay/hd44780.c
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@ -14,8 +14,7 @@
#include <linux/property.h>
#include <linux/slab.h>
#include <misc/charlcd.h>
#include "charlcd.h"
enum hd44780_pin {
/* Order does matter due to writing to GPIO array subsets! */

2
drivers/auxdisplay/panel.c
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@ -55,7 +55,7 @@
#include <linux/io.h>
#include <linux/uaccess.h>
#include <misc/charlcd.h>
#include "charlcd.h"
#define KEYPAD_MINOR 185