as suggested by Mike.
gains about 1% in my test (which for me is about half a second)

Signed-off-by: Frans Meulenbroeks <[email protected]>
---
 urjtag/src/tap/cable/gpio.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/urjtag/src/tap/cable/gpio.c b/urjtag/src/tap/cable/gpio.c
index 2d70946..96b2dee 100644
--- a/urjtag/src/tap/cable/gpio.c
+++ b/urjtag/src/tap/cable/gpio.c
@@ -133,8 +133,7 @@ static int gpio_get_value (int *fd, unsigned int gpio)
     ssize_t ret;
     char value;
 
-    lseek(fd, 0, 0);
-    ret = read(fd, &value, 1);
+    ret = pread(fd, &value, 1, 0);
 
     if (ret != 1)
     {
-- 
1.7.0.4


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