X-Git-Url: https://sigrok.org/gitweb/?a=blobdiff_plain;f=src%2Fhardware%2Fbaylibre-acme%2Fgpio.c;h=d86d24113b9b3c7fe647a4f1733f64f4d0f3feee;hb=2f464b6c85281396ce06fd03167aa47b35d0c40a;hp=bb6c54d56fff3074fe1387cf645ba4da2e138ff2;hpb=c1aae90038456a61d0f9313d34e6107c3440d3e7;p=libsigrok.git

diff --git a/src/hardware/baylibre-acme/gpio.c b/src/hardware/baylibre-acme/gpio.c
index bb6c54d5..d86d2411 100644
--- a/src/hardware/baylibre-acme/gpio.c
+++ b/src/hardware/baylibre-acme/gpio.c
@@ -17,6 +17,7 @@
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
 
+#include <config.h>
 #include <glib.h>
 #include <glib/gstdio.h>
 #include <unistd.h>
@@ -36,14 +37,14 @@ static int open_and_write(const gchar *path, const gchar *buf)
 
 	fd = g_fopen(path, "w");
 	if (!fd) {
-		sr_err("Error opening %s: %s", path, strerror(errno));
+		sr_err("Error opening %s: %s", path, g_strerror(errno));
 		return -1;
 	}
 
 	wr = g_fprintf(fd, "%s", buf);
 	fclose(fd);
 	if (wr < 0) {
-		sr_err("Error writing to %s: %s", path, strerror(errno));
+		sr_err("Error writing to %s: %s", path, g_strerror(errno));
 		return -1;
 	}
 
@@ -63,6 +64,10 @@ SR_PRIV int sr_gpio_export(unsigned gpio)
 	if (exported)
 		return 0; /* Already exported. */
 
+	status = sr_gpio_set_direction(gpio, GPIO_DIR_OUT);
+	if (status < 0)
+		return status;
+
 	buf = g_string_sized_new(16);
 	g_string_printf(buf, "%u\n", gpio);
 	status = open_and_write("/sys/class/gpio/export", buf->str);
@@ -117,7 +122,7 @@ SR_PRIV int sr_gpio_get_value(int gpio)
 	g_string_printf(path, "/sys/class/gpio/gpio%d/value", gpio);
 	fd = g_fopen(path->str, "r");
 	if (!fd) {
-		sr_err("Error opening %s: %s", path->str, strerror(errno));
+		sr_err("Error opening %s: %s", path->str, g_strerror(errno));
 		g_string_free(path, TRUE);
 		return -1;
 	}
@@ -125,7 +130,7 @@ SR_PRIV int sr_gpio_get_value(int gpio)
 	status = fscanf(fd, "%d", &ret);
 	fclose(fd);
 	if (status != 1) {
-		sr_err("Error reading from %s: %s", path, strerror(errno));
+		sr_err("Error reading from %s: %s", path->str, g_strerror(errno));
 		g_string_free(path, TRUE);
 		return -1;
 	}
@@ -142,10 +147,6 @@ SR_PRIV int sr_gpio_setval_export(int gpio, int value)
 	if (status < 0)
 		return status;
 
-	status = sr_gpio_set_direction(gpio, GPIO_DIR_OUT);
-	if (status < 0)
-		return status;
-
 	status = sr_gpio_set_value(gpio, value);
 	if (status < 0)
 		return status;
@@ -161,9 +162,5 @@ SR_PRIV int sr_gpio_getval_export(int gpio)
 	if (status < 0)
 		return status;
 
-	status = sr_gpio_set_direction(gpio, GPIO_DIR_IN);
-	if (status < 0)
-		return status;
-
 	return sr_gpio_get_value(gpio);
 }