[PATCH 2/2] OMAPDSS:HDMI: Improve error handling at power on

[Ricardo Neri <ricardo.neri@ti.com>]

Handle the errors that may occur when selecting the source of the
sync signal for the DIGIT channel of the display controller and
when enabling the PHY.

Signed-off-by: Ricardo Neri <ricardo.neri@ti.com>
---
 drivers/video/omap2/dss/hdmi.c |   10 ++++++++--
 1 files changed, 8 insertions(+), 2 deletions(-)

diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 060216f..3caac2a 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -501,13 +501,17 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
 	r = hdmi.ip_data.ops->phy_enable(&hdmi.ip_data);
 	if (r) {
 		DSSDBG("Failed to start PHY\n");
-		goto err;
+		goto err_phy_enable;
 	}
 
 	hdmi.ip_data.ops->video_configure(&hdmi.ip_data);
 
 	/* Make selection of HDMI in DSS */
-	dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
+	r = dss_select_hdmi_venc_clk_source(DSS_HDMI_M_PCLK);
+	if (r) {
+		DSSDBG("Failed to start PHY\n");
+		goto err_src_hdmi_venc;
+	}
 
 	/* Select the dispc clock source as PRCM clock, to ensure that it is not
 	 * DSI PLL source as the clock selected by DSI PLL might not be
@@ -536,7 +540,9 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
 err_mgr_enable:
 	hdmi.ip_data.ops->video_disable(&hdmi.ip_data);
 err_vid_enable:
+err_src_hdmi_venc:
 	hdmi.ip_data.ops->phy_disable(&hdmi.ip_data);
+err_phy_enable:
 	hdmi.ip_data.ops->pll_disable(&hdmi.ip_data);
 err:
 	hdmi_runtime_put();
-- 
1.7.5.4