On Mon, 19 Dec 2016, Wang Elaine <elaine.wang@xxxxxxxxx> wrote:
> From: Elaine Wang <elaine.wang@xxxxxxxxx>
>
> when num_pipes is zero, it indicates there is no display and HDMI
> audio doesn't exist.
>
> v2: Move the check from caller to callee for consistency.
>
> Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
> Cc: Joonas Lahtinen <joonas.lahtinen@xxxxxxxxxxxxxxx>
> Cc: Jani Nikula <jani.nikula@xxxxxxxxxxxxxxx>
> Signed-off-by: Elaine Wang <elaine.wang@xxxxxxxxx>
Pushed this one to drm-intel-next-queued, thanks for the patch.
BR,
Jani.
> ---
> drivers/gpu/drm/i915/intel_audio.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/gpu/drm/i915/intel_audio.c b/drivers/gpu/drm/i915/intel_audio.c
> index 3bbc96c..16c2027 100644
> --- a/drivers/gpu/drm/i915/intel_audio.c
> +++ b/drivers/gpu/drm/i915/intel_audio.c
> @@ -928,6 +928,9 @@ void i915_audio_component_init(struct drm_i915_private *dev_priv)
> {
> int ret;
>
> + if (INTEL_INFO(dev_priv)->num_pipes == 0)
> + return;
> +
> ret = component_add(dev_priv->drm.dev, &i915_audio_component_bind_ops);
> if (ret < 0) {
> DRM_ERROR("failed to add audio component (%d)\n", ret);
--
Jani Nikula, Intel Open Source Technology Center
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