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-rw-r--r--Documentation/i2c/dev-interface10
1 files changed, 5 insertions, 5 deletions
diff --git a/Documentation/i2c/dev-interface b/Documentation/i2c/dev-interface
index 3e742ba25536..2ac78ae1039d 100644
--- a/Documentation/i2c/dev-interface
+++ b/Documentation/i2c/dev-interface
@@ -57,12 +57,12 @@ Well, you are all set up now. You can now use SMBus commands or plain
57I2C to communicate with your device. SMBus commands are preferred if 57I2C to communicate with your device. SMBus commands are preferred if
58the device supports them. Both are illustrated below. 58the device supports them. Both are illustrated below.
59 59
60 __u8 register = 0x10; /* Device register to access */ 60 __u8 reg = 0x10; /* Device register to access */
61 __s32 res; 61 __s32 res;
62 char buf[10]; 62 char buf[10];
63 63
64 /* Using SMBus commands */ 64 /* Using SMBus commands */
65 res = i2c_smbus_read_word_data(file, register); 65 res = i2c_smbus_read_word_data(file, reg);
66 if (res < 0) { 66 if (res < 0) {
67 /* ERROR HANDLING: i2c transaction failed */ 67 /* ERROR HANDLING: i2c transaction failed */
68 } else { 68 } else {
@@ -70,11 +70,11 @@ the device supports them. Both are illustrated below.
70 } 70 }
71 71
72 /* Using I2C Write, equivalent of 72 /* Using I2C Write, equivalent of
73 i2c_smbus_write_word_data(file, register, 0x6543) */ 73 i2c_smbus_write_word_data(file, reg, 0x6543) */
74 buf[0] = register; 74 buf[0] = reg;
75 buf[1] = 0x43; 75 buf[1] = 0x43;
76 buf[2] = 0x65; 76 buf[2] = 0x65;
77 if (write(file, buf, 3) ! =3) { 77 if (write(file, buf, 3) != 3) {
78 /* ERROR HANDLING: i2c transaction failed */ 78 /* ERROR HANDLING: i2c transaction failed */
79 } 79 }
80 80