[v2,1/3] Documentation/i2c: whitespace cleanup

Message ID 20180413164405.127522-1-hansens@google.com
State Superseded
Headers show
Series
  • [v2,1/3] Documentation/i2c: whitespace cleanup
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Commit Message

Sam Hansen April 13, 2018, 4:44 p.m.
This strips trailing whitespace in Documentation/i2c/dev-interface.

Signed-off-by: Sam Hansen <hansens@google.com>
---
 Documentation/i2c/dev-interface | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

Comments

Wolfram Sang April 13, 2018, 4:50 p.m. | #1
On Fri, Apr 13, 2018 at 09:44:03AM -0700, Sam Hansen wrote:
> This strips trailing whitespace in Documentation/i2c/dev-interface.
> 
> Signed-off-by: Sam Hansen <hansens@google.com>

Looks good to me. But please send new series as seperate threads.

Patch

diff --git a/Documentation/i2c/dev-interface b/Documentation/i2c/dev-interface
index d04e6e4964ee..c8737d502791 100644
--- a/Documentation/i2c/dev-interface
+++ b/Documentation/i2c/dev-interface
@@ -9,8 +9,8 @@  i2c adapters present on your system at a given time. i2cdetect is part of
 the i2c-tools package.
 
 I2C device files are character device files with major device number 89
-and a minor device number corresponding to the number assigned as 
-explained above. They should be called "i2c-%d" (i2c-0, i2c-1, ..., 
+and a minor device number corresponding to the number assigned as
+explained above. They should be called "i2c-%d" (i2c-0, i2c-1, ...,
 i2c-10, ...). All 256 minor device numbers are reserved for i2c.
 
 
@@ -38,7 +38,7 @@  Next thing, open the device file, as follows:
   int file;
   int adapter_nr = 2; /* probably dynamically determined */
   char filename[20];
-  
+
   snprintf(filename, 19, "/dev/i2c-%d", adapter_nr);
   file = open(filename, O_RDWR);
   if (file < 0) {
@@ -72,7 +72,7 @@  the device supports them. Both are illustrated below.
     /* res contains the read word */
   }
 
-  /* Using I2C Write, equivalent of 
+  /* Using I2C Write, equivalent of
      i2c_smbus_write_word_data(file, reg, 0x6543) */
   buf[0] = reg;
   buf[1] = 0x43;
@@ -147,7 +147,7 @@  You can do plain i2c transactions by using read(2) and write(2) calls.
 You do not need to pass the address byte; instead, set it through
 ioctl I2C_SLAVE before you try to access the device.
 
-You can do SMBus level transactions (see documentation file smbus-protocol 
+You can do SMBus level transactions (see documentation file smbus-protocol
 for details) through the following functions:
   __s32 i2c_smbus_write_quick(int file, __u8 value);
   __s32 i2c_smbus_read_byte(int file);
@@ -158,7 +158,7 @@  for details) through the following functions:
   __s32 i2c_smbus_write_word_data(int file, __u8 command, __u16 value);
   __s32 i2c_smbus_process_call(int file, __u8 command, __u16 value);
   __s32 i2c_smbus_read_block_data(int file, __u8 command, __u8 *values);
-  __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length, 
+  __s32 i2c_smbus_write_block_data(int file, __u8 command, __u8 length,
                                    __u8 *values);
 All these transactions return -1 on failure; you can read errno to see
 what happened. The 'write' transactions return 0 on success; the