hdmitx: reactive I2C after resume [1/1]

PD#168111: hdmitx: reactive I2C after resume
Sometimes, TX devices suspend and close HDMI 5V power, then this
may cause I2C clock/data falls and hungup I2C waiting states.

Change-Id: Ifd83c19f91a7023a43cebb5654157e207013556c
Signed-off-by: Zongdong Jiao <zongdong.jiao@amlogic.com>

diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
index da2d162..77d8235 100644 (file)
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
@@ -3941,7 +3941,11 @@ static int amhdmitx_suspend(struct platform_device *pdev,
 
 static int amhdmitx_resume(struct platform_device *pdev)
 {
-       pr_info("amhdmitx: resume module %d\n", __LINE__);
+       struct hdmitx_dev *hdev = &hdmitx_device;
+
+       pr_debug("amhdmitx: I2C_REACTIVE\n");
+       hdev->HWOp.CntlMisc(hdev, MISC_I2C_REACTIVE, 0);
+
        return 0;
 }
 #endif

diff --git a/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h b/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h
index 359299b..b397411 100644 (file)
--- a/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h
+++ b/include/linux/amlogic/media/vout/hdmi_tx/hdmi_tx_module.h
@@ -27,7 +27,7 @@
 #include <linux/pinctrl/consumer.h>
 
 /* HDMITX driver version */
-#define HDMITX_VER "20171127"
+#define HDMITX_VER "20180702"
 
 /* chip type */
 #define MESON_CPU_ID_M8B               0