diff options
| -rw-r--r-- | miscutils/i2c_tools.c | 43 |
1 files changed, 30 insertions, 13 deletions
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c index 03a09d5..52fc5ec 100644 --- a/miscutils/i2c_tools.c +++ b/miscutils/i2c_tools.c @@ -8,7 +8,6 @@ * * Licensed under GPLv2 or later, see file LICENSE in this source tree. */ - //config:config I2CGET //config: bool "i2cget (5.6 kb)" //config: default y @@ -63,7 +62,6 @@ #include "libbb.h" #include <linux/i2c.h> -#include <linux/i2c-dev.h> #define I2CDUMP_NUM_REGS 256 @@ -71,6 +69,25 @@ #define I2CDETECT_MODE_QUICK 1 #define I2CDETECT_MODE_READ 2 +/* linux/i2c-dev.h from i2c-tools overwrites the one from linux uapi + * and defines symbols already defined by linux/i2c.h. + * Also, it defines a bunch of static inlines which we would rather NOT + * inline. What a mess. + * We need only these definitions from linux/i2c-dev.h: + */ +#define I2C_SLAVE 0x0703 +#define I2C_SLAVE_FORCE 0x0706 +#define I2C_FUNCS 0x0705 +#define I2C_PEC 0x0708 +#define I2C_SMBUS 0x0720 +struct i2c_smbus_ioctl_data { + __u8 read_write; + __u8 command; + __u32 size; + union i2c_smbus_data *data; +}; +/* end linux/i2c-dev.h */ + /* * This is needed for ioctl_or_perror_and_die() since it only accepts pointers. */ @@ -1187,18 +1204,17 @@ static void will_skip(const char *cmd) } //usage:#define i2cdetect_trivial_usage -//usage: "[-F I2CBUS] [-l] [-y] [-a] [-q|-r] I2CBUS [FIRST LAST]" +//usage: "-l | -F I2CBUS | [-ya] [-q|-r] I2CBUS [FIRST LAST]" //usage:#define i2cdetect_full_usage "\n\n" -//usage: "Detect I2C chips.\n" -//usage: "\n I2CBUS i2c bus number" -//usage: "\n FIRST and LAST limit the probing range" +//usage: "Detect I2C chips" //usage: "\n" -//usage: "\n -l output list of installed busses" -//usage: "\n -y disable interactive mode" -//usage: "\n -a force scanning of non-regular addresses" -//usage: "\n -q use smbus quick write commands for probing (default)" -//usage: "\n -r use smbus read byte commands for probing" -//usage: "\n -F display list of functionalities" +//usage: "\n -l Print list of installed buses" +//usage: "\n -F BUS# Print list of functionalities on this bus" +//usage: "\n -y Disable interactive mode" +//usage: "\n -a Force scanning of non-regular addresses" +//usage: "\n -q Use smbus quick write commands for probing (default)" +//usage: "\n -r Use smbus read byte commands for probing" +//usage: "\n FIRST and LAST limit probing range" int i2cdetect_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; int i2cdetect_main(int argc UNUSED_PARAM, char **argv) { @@ -1213,7 +1229,8 @@ int i2cdetect_main(int argc UNUSED_PARAM, char **argv) opts = getopt32(argv, "^" "yaqrFl" "\0" - "q--r:r--q:"/*mutually exclusive*/ "?3"/*up to 3 args*/ + "q--r:r--q:"/*mutually exclusive*/ + "?3"/*up to 3 args*/ ); argv += optind; |