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-rw-r--r--Documentation/auxdisplay/cfag12864b-example.c23
1 files changed, 11 insertions, 12 deletions
diff --git a/Documentation/auxdisplay/cfag12864b-example.c b/Documentation/auxdisplay/cfag12864b-example.c
index 2caeea5e4993..e7823ffb1ca0 100644
--- a/Documentation/auxdisplay/cfag12864b-example.c
+++ b/Documentation/auxdisplay/cfag12864b-example.c
@@ -62,7 +62,7 @@ unsigned char cfag12864b_buffer[CFAG12864B_SIZE];
62 * Unable to open: return = -1 62 * Unable to open: return = -1
63 * Unable to mmap: return = -2 63 * Unable to mmap: return = -2
64 */ 64 */
65int cfag12864b_init(char *path) 65static int cfag12864b_init(char *path)
66{ 66{
67 cfag12864b_fd = open(path, O_RDWR); 67 cfag12864b_fd = open(path, O_RDWR);
68 if (cfag12864b_fd == -1) 68 if (cfag12864b_fd == -1)
@@ -81,7 +81,7 @@ int cfag12864b_init(char *path)
81/* 81/*
82 * exit a cfag12864b framebuffer device 82 * exit a cfag12864b framebuffer device
83 */ 83 */
84void cfag12864b_exit(void) 84static void cfag12864b_exit(void)
85{ 85{
86 munmap(cfag12864b_mem, CFAG12864B_SIZE); 86 munmap(cfag12864b_mem, CFAG12864B_SIZE);
87 close(cfag12864b_fd); 87 close(cfag12864b_fd);
@@ -90,7 +90,7 @@ void cfag12864b_exit(void)
90/* 90/*
91 * set (x, y) pixel 91 * set (x, y) pixel
92 */ 92 */
93void cfag12864b_set(unsigned char x, unsigned char y) 93static void cfag12864b_set(unsigned char x, unsigned char y)
94{ 94{
95 if (CFAG12864B_CHECK(x, y)) 95 if (CFAG12864B_CHECK(x, y))
96 cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] |= 96 cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] |=
@@ -100,7 +100,7 @@ void cfag12864b_set(unsigned char x, unsigned char y)
100/* 100/*
101 * unset (x, y) pixel 101 * unset (x, y) pixel
102 */ 102 */
103void cfag12864b_unset(unsigned char x, unsigned char y) 103static void cfag12864b_unset(unsigned char x, unsigned char y)
104{ 104{
105 if (CFAG12864B_CHECK(x, y)) 105 if (CFAG12864B_CHECK(x, y))
106 cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] &= 106 cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] &=
@@ -113,7 +113,7 @@ void cfag12864b_unset(unsigned char x, unsigned char y)
113 * Pixel off: return = 0 113 * Pixel off: return = 0
114 * Pixel on: return = 1 114 * Pixel on: return = 1
115 */ 115 */
116unsigned char cfag12864b_isset(unsigned char x, unsigned char y) 116static unsigned char cfag12864b_isset(unsigned char x, unsigned char y)
117{ 117{
118 if (CFAG12864B_CHECK(x, y)) 118 if (CFAG12864B_CHECK(x, y))
119 if (cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] & 119 if (cfag12864b_buffer[CFAG12864B_ADDRESS(x, y)] &
@@ -126,7 +126,7 @@ unsigned char cfag12864b_isset(unsigned char x, unsigned char y)
126/* 126/*
127 * not (x, y) pixel 127 * not (x, y) pixel
128 */ 128 */
129void cfag12864b_not(unsigned char x, unsigned char y) 129static void cfag12864b_not(unsigned char x, unsigned char y)
130{ 130{
131 if (cfag12864b_isset(x, y)) 131 if (cfag12864b_isset(x, y))
132 cfag12864b_unset(x, y); 132 cfag12864b_unset(x, y);
@@ -137,7 +137,7 @@ void cfag12864b_not(unsigned char x, unsigned char y)
137/* 137/*
138 * fill (set all pixels) 138 * fill (set all pixels)
139 */ 139 */
140void cfag12864b_fill(void) 140static void cfag12864b_fill(void)
141{ 141{
142 unsigned short i; 142 unsigned short i;
143 143
@@ -148,7 +148,7 @@ void cfag12864b_fill(void)
148/* 148/*
149 * clear (unset all pixels) 149 * clear (unset all pixels)
150 */ 150 */
151void cfag12864b_clear(void) 151static void cfag12864b_clear(void)
152{ 152{
153 unsigned short i; 153 unsigned short i;
154 154
@@ -162,7 +162,7 @@ void cfag12864b_clear(void)
162 * Pixel off: src[i] = 0 162 * Pixel off: src[i] = 0
163 * Pixel on: src[i] > 0 163 * Pixel on: src[i] > 0
164 */ 164 */
165void cfag12864b_format(unsigned char * matrix) 165static void cfag12864b_format(unsigned char * matrix)
166{ 166{
167 unsigned char i, j, n; 167 unsigned char i, j, n;
168 168
@@ -182,7 +182,7 @@ void cfag12864b_format(unsigned char * matrix)
182/* 182/*
183 * blit buffer to lcd 183 * blit buffer to lcd
184 */ 184 */
185void cfag12864b_blit(void) 185static void cfag12864b_blit(void)
186{ 186{
187 memcpy(cfag12864b_mem, cfag12864b_buffer, CFAG12864B_SIZE); 187 memcpy(cfag12864b_mem, cfag12864b_buffer, CFAG12864B_SIZE);
188} 188}
@@ -194,11 +194,10 @@ void cfag12864b_blit(void)
194 */ 194 */
195 195
196#include <stdio.h> 196#include <stdio.h>
197#include <string.h>
198 197
199#define EXAMPLES 6 198#define EXAMPLES 6
200 199
201void example(unsigned char n) 200static void example(unsigned char n)
202{ 201{
203 unsigned short i, j; 202 unsigned short i, j;
204 unsigned char matrix[CFAG12864B_WIDTH * CFAG12864B_HEIGHT]; 203 unsigned char matrix[CFAG12864B_WIDTH * CFAG12864B_HEIGHT];