Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 49237b20 authored by Tatenda Chipeperekwa's avatar Tatenda Chipeperekwa Committed by Gerrit - the friendly Code Review server
Browse files

msm: mdss: dp: disable audio engine on teardown_done 



Disable the DP audio engine on receiving the teardown_done
callback from the audio codec. This ensures that the DP
engine is in the disabled (MUTE) state in preparation for
the next audio session.

CRs-Fixed: 2006127
Change-Id: I7c984531d308501690ede36ea959391ebef7599f
Signed-off-by: default avatarTatenda Chipeperekwa <tatendac@codeaurora.org>
parent 75b4841b

drivers/video/fbdev/msm/mdss_dp.c

+18 −0
Original line number Diff line number Diff line
@@ -1048,6 +1048,22 @@ static int dp_get_audio_edid_blk(struct platform_device *pdev, 
	return rc;

} /* dp_get_audio_edid_blk */



static void dp_audio_teardown_done(struct platform_device *pdev)

{

	struct mdss_dp_drv_pdata *dp = platform_get_drvdata(pdev);



	if (!dp) {

		pr_err("invalid input\n");

		return;

	}



	mdss_dp_audio_enable(&dp->ctrl_io, false);

	/* Make sure the DP audio engine is disabled */

	wmb();



	pr_debug("audio engine disabled\n");

} /* dp_audio_teardown_done */



static int mdss_dp_init_ext_disp(struct mdss_dp_drv_pdata *dp)

{

	int ret = 0;
@@ -1069,6 +1085,8 @@ static int mdss_dp_init_ext_disp(struct mdss_dp_drv_pdata *dp) 
		dp_get_audio_edid_blk;

	dp->ext_audio_data.codec_ops.cable_status =

		dp_get_cable_status;

	dp->ext_audio_data.codec_ops.teardown_done =

		dp_audio_teardown_done;



	if (!dp->pdev->dev.of_node) {

		pr_err("%s cannot find dp dev.of_node\n", __func__);