On Tue, 9 Nov 2021 at 03:43, Xin Ji <xji@xxxxxxxxxxxxxxxx> wrote:
>
> Provide .get_eld interface in hdmi_codec_ops for hdmi-codec driver.
>
> Signed-off-by: Xin Ji <xji@xxxxxxxxxxxxxxxx>
> ---
> drivers/gpu/drm/bridge/analogix/anx7625.c | 18 ++++++++++++++++++
> 1 file changed, 18 insertions(+)
>
> diff --git a/drivers/gpu/drm/bridge/analogix/anx7625.c b/drivers/gpu/drm/bridge/analogix/anx7625.c
> index 6d93026c2999..67a87d21b0ba 100644
> --- a/drivers/gpu/drm/bridge/analogix/anx7625.c
> +++ b/drivers/gpu/drm/bridge/analogix/anx7625.c
> @@ -1821,9 +1821,27 @@ static int anx7625_audio_hook_plugged_cb(struct device *dev, void *data,
> return 0;
> }
>
> +static int anx7625_audio_get_eld(struct device *dev, void *data,
> + u8 *buf, size_t len)
> +{
> + struct anx7625_data *ctx = dev_get_drvdata(dev);
> +
> + if (!ctx->connector) {
> + DRM_DEV_DEBUG_DRIVER(dev, "connector not initial\n");
> + return -EINVAL;
> + }
> +
> + DRM_DEV_DEBUG_DRIVER(dev, "audio copy eld\n");
> + memcpy(buf, ctx->connector->eld,
> + min(sizeof(ctx->connector->eld), len));
> +
> + return 0;
> +}
> +
> static const struct hdmi_codec_ops anx7625_codec_ops = {
> .hw_params = anx7625_audio_hw_params,
> .audio_shutdown = anx7625_audio_shutdown,
> + .get_eld = anx7625_audio_get_eld,
> .get_dai_id = anx7625_hdmi_i2s_get_dai_id,
> .hook_plugged_cb = anx7625_audio_hook_plugged_cb,
> };
> --
> 2.25.1
>
Reviewed-by: Robert Foss <robert.foss@xxxxxxxxxx>
