From 9b09564e31ce67eaf97c85296e61eab1e4b0ada2 Mon Sep 17 00:00:00 2001
From: Sanchayan Maity <maitysanchayan@gmail.com>
Date: Thu, 3 Mar 2016 19:49:15 +0530
Subject: recipes-support: usb-suspend-resume: Add USB suspend resume fix for
 Vybrid

Add systemd service which utilises systemd's suspend resume hooks
to excute scripts which take care of unbinding and binding the
necessary configurations and usb driver during suspend and resume
respectively.

Signed-off-by: Sanchayan Maity <maitysanchayan@gmail.com>
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
---
 .../usb-suspend-resume/files/usb-resume.service    | 10 ++++++
 .../usb-suspend-resume/files/usb-resume.sh         | 11 +++++++
 .../usb-suspend-resume/files/usb-suspend.service   | 10 ++++++
 .../usb-suspend-resume/files/usb-suspend.sh        |  2 ++
 .../usb-suspend-resume/usb-suspend-resume.bb       | 37 ++++++++++++++++++++++
 5 files changed, 70 insertions(+)
 create mode 100644 recipes-support/usb-suspend-resume/files/usb-resume.service
 create mode 100644 recipes-support/usb-suspend-resume/files/usb-resume.sh
 create mode 100644 recipes-support/usb-suspend-resume/files/usb-suspend.service
 create mode 100644 recipes-support/usb-suspend-resume/files/usb-suspend.sh
 create mode 100644 recipes-support/usb-suspend-resume/usb-suspend-resume.bb

(limited to 'recipes-support/usb-suspend-resume')

diff --git a/recipes-support/usb-suspend-resume/files/usb-resume.service b/recipes-support/usb-suspend-resume/files/usb-resume.service
new file mode 100644
index 0000000..3bd9713
--- /dev/null
+++ b/recipes-support/usb-suspend-resume/files/usb-resume.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=User resume actions
+After=suspend.target
+
+[Service]
+Type=simple
+ExecStart=-/usr/bin/usb-resume.sh
+
+[Install]
+WantedBy=suspend.target
diff --git a/recipes-support/usb-suspend-resume/files/usb-resume.sh b/recipes-support/usb-suspend-resume/files/usb-resume.sh
new file mode 100644
index 0000000..2584813
--- /dev/null
+++ b/recipes-support/usb-suspend-resume/files/usb-resume.sh
@@ -0,0 +1,11 @@
+#!/bin/sh
+echo ci_hdrc.1 > /sys/bus/platform/drivers/ci_hdrc/unbind
+echo ci_hdrc.1 > /sys/bus/platform/drivers/ci_hdrc/bind
+echo ci_hdrc.0 > /sys/bus/platform/drivers/ci_hdrc/unbind
+echo ci_hdrc.0 > /sys/bus/platform/drivers/ci_hdrc/bind
+/bin/sh -c '/bin/cat /proc/device-tree/model > \
+                                   /sys/kernel/config/usb_gadget/g1/strings/0x409/product'
+/bin/sh -c '/bin/cat /proc/device-tree/serial-number > \
+                                   /sys/kernel/config/usb_gadget/g1/strings/0x409/serialnumber'
+/bin/sh -c '/bin/echo `ls /sys/class/udc/` > \
+                                    /sys/kernel/config/usb_gadget/g1/UDC'
diff --git a/recipes-support/usb-suspend-resume/files/usb-suspend.service b/recipes-support/usb-suspend-resume/files/usb-suspend.service
new file mode 100644
index 0000000..e56630d
--- /dev/null
+++ b/recipes-support/usb-suspend-resume/files/usb-suspend.service
@@ -0,0 +1,10 @@
+[Unit]
+Description=User suspend actions
+Before=sleep.target
+
+[Service]
+Type=simple
+ExecStart=-/usr/bin/usb-suspend.sh
+
+[Install]
+WantedBy=sleep.target
diff --git a/recipes-support/usb-suspend-resume/files/usb-suspend.sh b/recipes-support/usb-suspend-resume/files/usb-suspend.sh
new file mode 100644
index 0000000..4a2df84
--- /dev/null
+++ b/recipes-support/usb-suspend-resume/files/usb-suspend.sh
@@ -0,0 +1,2 @@
+#!/bin/sh
+echo "" > /sys/kernel/config/usb_gadget/g1/UDC
diff --git a/recipes-support/usb-suspend-resume/usb-suspend-resume.bb b/recipes-support/usb-suspend-resume/usb-suspend-resume.bb
new file mode 100644
index 0000000..d555b79
--- /dev/null
+++ b/recipes-support/usb-suspend-resume/usb-suspend-resume.bb
@@ -0,0 +1,37 @@
+SECTION = "USB"
+SUMMARY = "Fix for USB suspend resume on Vybrid"
+RDEPENDS_${PN} = ""
+LICENSE = "MIT"
+LIC_FILES_CHKSUM = "file://${COREBASE}/LICENSE;md5=4d92cd373abda3937c2bc47fbc49d690"
+
+PR = "r1"
+
+inherit allarch systemd
+
+SRC_URI = " \
+    file://usb-suspend.sh \
+    file://usb-resume.sh \
+    file://usb-suspend.service \
+    file://usb-resume.service \
+"
+
+do_install() {
+    install -d ${D}/${bindir}
+    install -m 0755 ${WORKDIR}/usb-suspend.sh ${D}/${bindir}/
+    install -m 0755 ${WORKDIR}/usb-resume.sh ${D}/${bindir}/
+
+    install -d ${D}${systemd_unitdir}/system/
+    install -m 0644 ${WORKDIR}/usb-suspend.service ${D}${systemd_unitdir}/system
+    install -m 0644 ${WORKDIR}/usb-resume.service ${D}${systemd_unitdir}/system
+}
+
+FILES_${PN} += " \
+    ${systemd_unitdir}/system \
+"
+
+NATIVE_SYSTEMD_SUPPORT = "1"
+SYSTEMD_PACKAGES = "${PN}"
+SYSTEMD_SERVICE_${PN} = "usb-suspend.service usb-resume.service"
+SYSTEMD_AUTO_ENABLE_mx6 = "disable"
+SYSTEMD_AUTO_ENABLE_t30 = "disable"
+SYSTEMD_AUTO_ENABLE_t20 = "disable"
-- 
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