From cd8de601a7d8463c6f548488ea226ef8933fdb9a Mon Sep 17 00:00:00 2001
From: Naoto Yamaguchi <i33399_YAMAGUCHI@aisin-aw.co.jp>
Date: Fri, 16 Dec 2016 10:57:35 +0900
Subject: [PATCH] Enable USB Audio in porter board
This patch is to avoid the problem that pulseaudio can not be used in the Porter board.
This patch does the following two correspondences.
1. Enable USB Audio config
2. Corresponding to problem of self-destruction by outputting a lot of printk
Change-Id: I58682c0755e04e87ec198dd0494d6f9380ebe4ce
Signed-off-by: Naoto Yamaguchi <i33399_YAMAGUCHI@aisin-aw.co.jp>
---
.../recipes-kernel/linux/linux-renesas_%.bbappend | 10 +++++++---
.../linux/linux/disable_delay_printk.patch | 17 +++++++++++++++++
.../recipes-kernel/linux/linux/usbaudio.cfg | 2 ++
3 files changed, 26 insertions(+), 3 deletions(-)
mode change 100644 => 100755 meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend
create mode 100755 meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/disable_delay_printk.patch
create mode 100755 meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/usbaudio.cfg
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend
old mode 100644
new mode 100755
index 697450772..57e8d17a2
--- a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux-renesas_%.bbappend
@@ -1,7 +1,11 @@
FILESEXTRAPATHS_prepend := "${THISDIR}/linux:"
-# Enable support for TP-Link TL-W722N USB Wifi adapter and RTL2832U DVB USB
+# Enable support for TP-Link TL-W722N USB Wifi adapter and RTL2832U DVB USB and USB Audio
# adapter.
-SRC_URI += "file://ath9k_htc.cfg \
- file://rtl_sdr.cfg "
+SRC_URI += " file://disable_delay_printk.patch \
+ file://ath9k_htc.cfg \
+ file://rtl_sdr.cfg \
+ file://usbaudio.cfg \
+ "
+
KERNEL_CONFIG_FRAGMENTS_append = " ${WORKDIR}/ath9k_htc.cfg ${WORKDIR}/rtl_sdr.cfg"
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/disable_delay_printk.patch b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/disable_delay_printk.patch
new file mode 100755
index 000000000..28acf1e08
--- /dev/null
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/disable_delay_printk.patch
@@ -0,0 +1,17 @@
+diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
+old mode 100644
+new mode 100755
+index 93b6e32..2e9dd36
+--- a/sound/usb/pcm.c
++++ b/sound/usb/pcm.c
+@@ -1420,8 +1420,8 @@ static void retire_playback_urb(struct snd_usb_substream *subs,
+ * on two reads of a counter updated every ms.
+ */
+ if (abs(est_delay - subs->last_delay) * 1000 > runtime->rate * 2)
+- snd_printk(KERN_DEBUG "delay: estimated %d, actual %d\n",
+- est_delay, subs->last_delay);
++// snd_printk(KERN_DEBUG "delay: estimated %d, actual %d\n",
++// est_delay, subs->last_delay);
+
+ if (!subs->running) {
+ /* update last_frame_number for delay counting here since
diff --git a/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/usbaudio.cfg b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/usbaudio.cfg
new file mode 100755
index 000000000..5961f43d3
--- /dev/null
+++ b/meta-agl-bsp/meta-renesas/recipes-kernel/linux/linux/usbaudio.cfg
@@ -0,0 +1,2 @@
+CONFIG_SND_USB=y
+CONFIG_SND_USB_AUDIO=y
--
2.16.6