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Merge pull request #1619 from Raybuntu/cec_LG8

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Odroid_C2/u-boot: Make LG CEC (Simplink) wakeup work
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Christian Hewitt 2017-05-10 21:48:44 +04:00 committed by GitHub
commit 73e0b6b5a4
1 changed files with 54 additions and 0 deletions
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54
projects/Odroid_C2/patches/u-boot/u-boot-0003-update_cec_simplink_wakeup.patch Normal file
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@ -0,0 +1,54 @@
From 4afa1ca1f37bc084c2805f76372dc6a47e2d971a Mon Sep 17 00:00:00 2001
From: Radostan Riedel <raybuntu@googlemail.com>
Date: Sun, 30 Apr 2017 15:48:53 +0200
Subject: [PATCH 1/1] CEC: make wakeup work with LG simplink
---
.../cpu/armv8/gxb/firmware/scp_task/hdmi_cec_arc.c | 24 ++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/arch/arm/cpu/armv8/gxb/firmware/scp_task/hdmi_cec_arc.c b/arch/arm/cpu/armv8/gxb/firmware/scp_task/hdmi_cec_arc.c
index 7d397cac8b..8a3423b7cc 100644
--- a/arch/arm/cpu/armv8/gxb/firmware/scp_task/hdmi_cec_arc.c
+++ b/arch/arm/cpu/armv8/gxb/firmware/scp_task/hdmi_cec_arc.c
@@ -359,6 +359,18 @@ static void cec_get_version(unsigned char initiator)
cec_triggle_tx(msg, 3);
}
+void cec_send_simplink_init_ack(void)
+{
+ unsigned char msg[4];
+
+ msg[0] = ((cec_msg.log_addr & 0xf) << 4) | CEC_TV_ADDR;
+ msg[1] = CEC_OC_VENDOR_COMMAND;
+ msg[2] = 0x2;
+ msg[3] = 0x5;
+
+ cec_triggle_tx(msg, 4);
+}
+
static unsigned int cec_handle_message(void)
{
unsigned char initiator = (cec_msg.msg[0] >> 4) & 0xf;
@@ -388,6 +400,18 @@ static unsigned int cec_handle_message(void)
cec_device_vendor_id();
break;
case CEC_OC_VENDOR_COMMAND:
+ if (cec_msg.msg_len < 3)
+ break;
+ if (directly_addressed) {
+ if (cec_msg.msg[2] == 0x1) { // SL INIT
+ cec_send_simplink_init_ack(); // SL INIT ACK
+ }
+ if ((cec_msg.msg[2] == 0x3) || // SL POWER ON
+ (cec_msg.msg[2] == 0x4) || // SL CONNECT REQUEST
+ (cec_msg.msg[2] == 0xb)) { // SL RECONNECT REQUEST
+ cec_msg.cec_power = 0x1;
+ }
+ }
case CEC_OC_VENDOR_COMMAND_WITH_ID:
break;
case CEC_OC_GIVE_OSD_NAME:
--
2.11.0