Irina Tirdea schrieb am 24.07.2015 um 15:28:
> Running generic_buffer without enabling any channel of the
> sensor will fail without printing any error message.
>
> Add an error message that indicates buffer enable failed.
>
> Signed-off-by: Irina Tirdea <irina.tirdea@xxxxxxxxx>
Acked-by: Hartmut Knaack <knaack.h@xxxxxx>
> ---
> tools/iio/generic_buffer.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/tools/iio/generic_buffer.c b/tools/iio/generic_buffer.c
> index 32f389eb..9f7b85b 100644
> --- a/tools/iio/generic_buffer.c
> +++ b/tools/iio/generic_buffer.c
> @@ -364,8 +364,11 @@ int main(int argc, char **argv)
>
> /* Enable the buffer */
> ret = write_sysfs_int("enable", buf_dir_name, 1);
> - if (ret < 0)
> + if (ret < 0) {
> + fprintf(stderr,
> + "Failed to enable buffer: %s\n", strerror(-ret));
> goto error_free_buf_dir_name;
> + }
>
> scan_size = size_from_channelarray(channels, num_channels);
> data = malloc(scan_size * buf_len);
>
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