Unverified Commit 97f2c684 authored by Hsin-Yi Wang's avatar Hsin-Yi Wang Committed by Robert Foss
Browse files

drm/bridge: anx7625: Fill in empty ELD when no connector 



Speaker may share I2S with DP and .get_eld callback will be called when
speaker is playing. When HDMI wans't connected, the connector will be
null. Instead of return an error, fill in empty ELD.

Signed-off-by: default avatarHsin-Yi Wang <hsinyi@chromium.org>
Reviewed-by: default avatarXin Ji <xji@analogixsemi.com>
Signed-off-by: default avatarRobert Foss <robert.foss@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20220414090003.1806535-1-hsinyi@chromium.org
parent c9b2d923

drivers/gpu/drm/bridge/analogix/anx7625.c

+6 −6
Original line number Diff line number Diff line
@@ -1932,13 +1932,13 @@ static int anx7625_audio_get_eld(struct device *dev, void *data, 
	struct anx7625_data *ctx = dev_get_drvdata(dev);



	if (!ctx->connector) {

		dev_err(dev, "connector not initial\n");

		return -EINVAL;

	}



		/* Pass en empty ELD if connector not available */

		memset(buf, 0, len);

	} else {

		dev_dbg(dev, "audio copy eld\n");

		memcpy(buf, ctx->connector->eld,

		       min(sizeof(ctx->connector->eld), len));

	}



	return 0;

}