diff options
| -rw-r--r-- | miscutils/i2c_tools.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/miscutils/i2c_tools.c b/miscutils/i2c_tools.c index d77e6bacf..c5baaa78e 100644 --- a/miscutils/i2c_tools.c +++ b/miscutils/i2c_tools.c @@ -1200,7 +1200,7 @@ int i2cdetect_main(int argc UNUSED_PARAM, char **argv) opt_F = (1 << 4), opt_l = (1 << 5); const char *const optstr = "yaqrFl"; - int fd, bus_num, i, j, mode = I2CDETECT_MODE_AUTO, status; + int fd, bus_num, i, j, mode = I2CDETECT_MODE_AUTO, status, cmd; unsigned first = 0x03, last = 0x77, opts; unsigned long funcs; @@ -1273,19 +1273,20 @@ int i2cdetect_main(int argc UNUSED_PARAM, char **argv) for(j = 0; j < 16; j++) { fflush_all(); + cmd = mode; if (mode == I2CDETECT_MODE_AUTO) { if ((i+j >= 0x30 && i+j <= 0x37) || (i+j >= 0x50 && i+j <= 0x5F)) - mode = I2CDETECT_MODE_READ; + cmd = I2CDETECT_MODE_READ; else - mode = I2CDETECT_MODE_QUICK; + cmd = I2CDETECT_MODE_QUICK; } /* Skip unwanted addresses. */ if (i+j < first || i+j > last - || (mode == I2CDETECT_MODE_READ && !(funcs & I2C_FUNC_SMBUS_READ_BYTE)) - || (mode == I2CDETECT_MODE_QUICK && !(funcs & I2C_FUNC_SMBUS_QUICK))) + || (cmd == I2CDETECT_MODE_READ && !(funcs & I2C_FUNC_SMBUS_READ_BYTE)) + || (cmd == I2CDETECT_MODE_QUICK && !(funcs & I2C_FUNC_SMBUS_QUICK))) { printf(" "); continue; @@ -1302,7 +1303,7 @@ int i2cdetect_main(int argc UNUSED_PARAM, char **argv) "can't set address to 0x%02x", i + j); } - switch (mode) { + switch (cmd) { case I2CDETECT_MODE_READ: /* * This is known to lock SMBus on various |