diff options
| author |   Mark Brown <broonie@kernel.org> | 2017-11-28 16:19:52 +0000 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-11-28 16:19:52 +0000 |
| commit | 69830d3909849dee33b9a2de88ece3d59c75a1b8 (patch) | |
| tree | 67e22ac989e782ddc104f186dee54d1675e76923 /tools/gpio/gpio-utils.c | |
| parent | ASoC: rk3399_gru_sound: Map BTN_0 to KEY_PLAYPAUSE (diff) | |
| parent | ASoC: add snd_soc_disconnect_sync() (diff) | |
| download | linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.tar.xz linux-dev-69830d3909849dee33b9a2de88ece3d59c75a1b8.zip | |
Merge branch 'topic/disconnect' of https://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into asoc-rcar
Diffstat (limited to 'tools/gpio/gpio-utils.c')
| -rw-r--r-- | tools/gpio/gpio-utils.c | 17 |
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; |