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authorMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
committerMark Brown <broonie@kernel.org>2018-01-08 15:54:50 +0000
commit498495dba268b20e8eadd7fe93c140c68b6cc9d2 (patch)
tree00d1562049d8bc2194fddd9ba0cbbe0812ad6f68 /tools/gpio/gpio-utils.c
parentd5cc0a1fcbb5ddbef9fdd4c4a978da3254ddbf37 (diff)
parent5c256045b87b8aa8e5bc9d2e2fdc0802351c1f99 (diff)
downloadlinux-stable-498495dba268b20e8eadd7fe93c140c68b6cc9d2.tar.gz
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Merge branch 'fix/intel' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-intel
Diffstat (limited to 'tools/gpio/gpio-utils.c')
-rw-r--r--tools/gpio/gpio-utils.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/tools/gpio/gpio-utils.c b/tools/gpio/gpio-utils.c
index b86a32d90d88..cf7e2f3419ee 100644
--- a/tools/gpio/gpio-utils.c
+++ b/tools/gpio/gpio-utils.c
@@ -76,7 +76,8 @@ int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
fd = open(chrdev_name, 0);
if (fd == -1) {
ret = -errno;
- fprintf(stderr, "Failed to open %s\n", chrdev_name);
+ fprintf(stderr, "Failed to open %s, %s\n",
+ chrdev_name, strerror(errno));
goto exit_close_error;
}
@@ -92,8 +93,8 @@ int gpiotools_request_linehandle(const char *device_name, unsigned int *lines,
ret = ioctl(fd, GPIO_GET_LINEHANDLE_IOCTL, &req);
if (ret == -1) {
ret = -errno;
- fprintf(stderr, "Failed to issue GET LINEHANDLE IOCTL (%d)\n",
- ret);
+ fprintf(stderr, "Failed to issue %s (%d), %s\n",
+ "GPIO_GET_LINEHANDLE_IOCTL", ret, strerror(errno));
}
exit_close_error:
@@ -118,8 +119,9 @@ int gpiotools_set_values(const int fd, struct gpiohandle_data *data)
ret = ioctl(fd, GPIOHANDLE_SET_LINE_VALUES_IOCTL, data);
if (ret == -1) {
ret = -errno;
- fprintf(stderr, "Failed to issue %s (%d)\n",
- "GPIOHANDLE_SET_LINE_VALUES_IOCTL", ret);
+ fprintf(stderr, "Failed to issue %s (%d), %s\n",
+ "GPIOHANDLE_SET_LINE_VALUES_IOCTL", ret,
+ strerror(errno));
}
return ret;
@@ -141,8 +143,9 @@ int gpiotools_get_values(const int fd, struct gpiohandle_data *data)
ret = ioctl(fd, GPIOHANDLE_GET_LINE_VALUES_IOCTL, data);
if (ret == -1) {
ret = -errno;
- fprintf(stderr, "Failed to issue %s (%d)\n",
- "GPIOHANDLE_GET_LINE_VALUES_IOCTL", ret);
+ fprintf(stderr, "Failed to issue %s (%d), %s\n",
+ "GPIOHANDLE_GET_LINE_VALUES_IOCTL", ret,
+ strerror(errno));
}
return ret;