On Thu, 18 Mar 2021 at 16:24, Tvrtko Ursulin
<tvrtko.ursulin@xxxxxxxxxxxxxxx> wrote:
>
> From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
>
> Add __igt_params_get for simple reading of modparams.
>
> Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx>
> ---
> lib/igt_params.c | 26 ++++++++++++++++++++++++++
> lib/igt_params.h | 2 ++
> 2 files changed, 28 insertions(+)
>
> diff --git a/lib/igt_params.c b/lib/igt_params.c
> index c06416988baa..1dc6de77b2e0 100644
> --- a/lib/igt_params.c
> +++ b/lib/igt_params.c
> @@ -156,6 +156,32 @@ int igt_params_open(int device)
> return params;
> }
>
> +/**
> + * __igt_params_get:
> + * @device: fd of the device
> + * @parameter: the name of the parameter to set
to get
> + *
> + * This reads the value of the modparam.
> + *
> + * Returns:
> + * A nul-terminated string, must be freed by caller after use, or NULL
> + * on failure.
> + */
> +char *__igt_params_get(int device, const char *parameter)
> +{
> + char *str;
> + int dir;
> +
> + dir = igt_params_open(device);
> + if (dir < 0)
> + return NULL;
> +
> + str = igt_sysfs_get(dir, parameter);
> + close(dir);
> +
> + return str;
> +}
Reviewed-by: Matthew Auld <matthew.auld@xxxxxxxxx>
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