Merge "ARM: dts: msm: Enabling ESD detection support for msmcobalt" (f3b676e8) · Commits · e / devices / android_kernel_sony_msm8998

arch/arm/boot/dts/qcom/msmcobalt-mdss-panels.dtsi

+2 −0

Original line number	Diff line number	Diff line
		@@ -76,6 +76,8 @@
		qcom,mdss-dsi-panel-timings = [00 1a 04 06 0a 0a 05 06 05 03 04 00];
		qcom,mdss-dsi-t-clk-post = <0x0d>;
		qcom,mdss-dsi-t-clk-pre = <0x2d>;
		qcom,esd-check-enabled;
		qcom,mdss-dsi-panel-status-check-mode = "bta_check";
		};

		&dsi_dual_nt35597_cmd {

drivers/video/fbdev/msm/mdss_dsi_panel.c

+33 −30

Original line number	Diff line number	Diff line
		@@ -1681,6 +1681,38 @@ static void mdss_dsi_parse_esd_params(struct device_node *np,
		if (!pinfo->esd_check_enabled)
		return;

		ctrl->status_mode = ESD_MAX;
		rc = of_property_read_string(np,
		"qcom,mdss-dsi-panel-status-check-mode", &string);
		if (!rc) {
		if (!strcmp(string, "bta_check")) {
		ctrl->status_mode = ESD_BTA;
		} else if (!strcmp(string, "reg_read")) {
		ctrl->status_mode = ESD_REG;
		ctrl->check_read_status =
		mdss_dsi_gen_read_status;
		} else if (!strcmp(string, "reg_read_nt35596")) {
		ctrl->status_mode = ESD_REG_NT35596;
		ctrl->status_error_count = 0;
		ctrl->check_read_status =
		mdss_dsi_nt35596_read_status;
		} else if (!strcmp(string, "te_signal_check")) {
		if (pinfo->mipi.mode == DSI_CMD_MODE) {
		ctrl->status_mode = ESD_TE;
		} else {
		pr_err("TE-ESD not valid for video mode\n");
		goto error;
		}
		} else {
		pr_err("No valid panel-status-check-mode string\n");
		goto error;
		}
		}

		if ((ctrl->status_mode == ESD_BTA) \|\| (ctrl->status_mode == ESD_TE) \|\|
		(ctrl->status_mode == ESD_MAX))
		return;

		mdss_dsi_parse_dcs_cmds(np, &ctrl->status_cmds,
		"qcom,mdss-dsi-panel-status-command",
		"qcom,mdss-dsi-panel-status-command-state");
		@@ -1736,43 +1768,14 @@ static void mdss_dsi_parse_esd_params(struct device_node *np,
		memset(ctrl->status_value, 0, ctrl->groups * status_len);
		}

		ctrl->status_mode = ESD_MAX;
		rc = of_property_read_string(np,
		"qcom,mdss-dsi-panel-status-check-mode", &string);
		if (!rc) {
		if (!strcmp(string, "bta_check")) {
		ctrl->status_mode = ESD_BTA;
		} else if (!strcmp(string, "reg_read")) {
		ctrl->status_mode = ESD_REG;
		ctrl->check_read_status =
		mdss_dsi_gen_read_status;
		} else if (!strcmp(string, "reg_read_nt35596")) {
		ctrl->status_mode = ESD_REG_NT35596;
		ctrl->status_error_count = 0;
		ctrl->check_read_status =
		mdss_dsi_nt35596_read_status;
		} else if (!strcmp(string, "te_signal_check")) {
		if (pinfo->mipi.mode == DSI_CMD_MODE) {
		ctrl->status_mode = ESD_TE;
		} else {
		pr_err("TE-ESD not valid for video mode\n");
		goto error;
		}
		} else {
		pr_err("No valid panel-status-check-mode string\n");
		goto error;
		}
		}

		return;

		error:
		kfree(ctrl->return_buf);
		error2:
		kfree(ctrl->status_value);
		error1:
		kfree(ctrl->status_valid_params);
		kfree(ctrl->status_cmds_rlen);
		error:
		pinfo->esd_check_enabled = false;
		}