linux-amazon-douglas: disable sound in kernel (MR 1304)

Accessing the sound system causes freezes of the system, so it is
disabled for now.

device/testing/linux-amazon-douglas/APKBUILD

@@ -32,6 +32,7 @@ _config="config-$_flavor.$arch"
 source="
 	$pkgname-$_commit.tar.gz::https://github.com/shuhaowu/$_repository/archive/$_commit.tar.gz
 	$_config
+	disable-sound.patch
 "
 builddir="$srcdir/$_repository-$_commit"
 _outdir="out"
@@ -52,4 +53,5 @@ package() {
 }
 
 sha512sums="eb3804fcbadb268429640a5171ea4788cf8974444a1aa1005801902dbce1c4d67d88cb43d0cee259dc082161a92b285de0a0d18d721220f6d2dff84a179a7dc5  linux-amazon-douglas-4ff2b5a4534e275748920ba4ad105af36495bf89.tar.gz
-49da89d9a12db904685da02d14e43f92af1d9375cda9644592a898089b45e246214b8eab9a8b23ddf742e23cceda4fd348d7088deb47c3bc0330affa7c48c148  config-amazon-douglas.aarch64"
+573eeab95570c6e4cb514396e4dd4fea9ee0afb6474783298081e079930b84559ca68e8c24ab46f17344c3201f8d2ffdefce763c5731e85c17b1494ca60dfc1c  config-amazon-douglas.aarch64
+aed9fd018a6367214dd00aad9c376c93ed356efbd74e21b49316ab0a21bc372a2077eeed8810f66464544c5bbc7bca6c46985ef42e6cb8f95ad94a1644130d1c  disable-sound.patch"

device/testing/linux-amazon-douglas/config-amazon-douglas.aarch64

@@ -917,7 +917,6 @@ CONFIG_HAVE_CPU_AUTOPROBE=y
 CONFIG_GENERIC_CPU_AUTOPROBE=y
 CONFIG_REGMAP=y
 CONFIG_REGMAP_I2C=y
-CONFIG_REGMAP_SPI=y
 CONFIG_REGMAP_MMIO=y
 CONFIG_DMA_SHARED_BUFFER=y
 # CONFIG_FENCE_TRACE is not set
@@ -2408,147 +2407,7 @@ CONFIG_LOGO=y
 CONFIG_LOGO_LINUX_MONO=y
 CONFIG_LOGO_LINUX_VGA16=y
 CONFIG_LOGO_LINUX_CLUT224=y
-CONFIG_SOUND=y
-CONFIG_SOUND_OSS_CORE=y
-CONFIG_SOUND_OSS_CORE_PRECLAIM=y
-CONFIG_SND=y
-CONFIG_SND_TIMER=y
-CONFIG_SND_PCM=y
-CONFIG_SND_HWDEP=y
-CONFIG_SND_RAWMIDI=y
-CONFIG_SND_COMPRESS_OFFLOAD=y
-CONFIG_SND_JACK=y
-CONFIG_SND_SEQUENCER=y
-CONFIG_SND_SEQ_DUMMY=y
-CONFIG_SND_OSSEMUL=y
-CONFIG_SND_MIXER_OSS=y
-CONFIG_SND_PCM_OSS=y
-CONFIG_SND_PCM_OSS_PLUGINS=y
-CONFIG_SND_SEQUENCER_OSS=y
-CONFIG_SND_HRTIMER=y
-CONFIG_SND_SEQ_HRTIMER_DEFAULT=y
-CONFIG_SND_DYNAMIC_MINORS=y
-CONFIG_SND_MAX_CARDS=32
-CONFIG_SND_SUPPORT_OLD_API=y
-CONFIG_SND_VERBOSE_PROCFS=y
-CONFIG_SND_VERBOSE_PRINTK=y
-CONFIG_SND_DEBUG=y
-CONFIG_SND_DEBUG_VERBOSE=y
-CONFIG_SND_PCM_XRUN_DEBUG=y
-CONFIG_SND_RAWMIDI_SEQ=y
-# CONFIG_SND_OPL3_LIB_SEQ is not set
-# CONFIG_SND_OPL4_LIB_SEQ is not set
-# CONFIG_SND_SBAWE_SEQ is not set
-# CONFIG_SND_EMU10K1_SEQ is not set
-CONFIG_SND_DRIVERS=y
-# CONFIG_SND_DUMMY is not set
-# CONFIG_SND_ALOOP is not set
-# CONFIG_SND_VIRMIDI is not set
-# CONFIG_SND_MTPAV is not set
-# CONFIG_SND_SERIAL_U16550 is not set
-# CONFIG_SND_MPU401 is not set
-
-#
-# HD-Audio
-#
-# CONFIG_SND_SPI is not set
-CONFIG_SND_USB=y
-CONFIG_SND_USB_AUDIO=y
-# CONFIG_SND_USB_UA101 is not set
-# CONFIG_SND_USB_CAIAQ is not set
-# CONFIG_SND_USB_6FIRE is not set
-# CONFIG_SND_USB_HIFACE is not set
-# CONFIG_SND_BCD2000 is not set
-CONFIG_SND_SOC=y
-# CONFIG_SND_ATMEL_SOC is not set
-# CONFIG_SND_DESIGNWARE_I2S is not set
-
-#
-# SoC Audio for Freescale CPUs
-#
-
-#
-# Common SoC Audio options for Freescale CPUs:
-#
-# CONFIG_SND_SOC_FSL_ASRC is not set
-# CONFIG_SND_SOC_FSL_SAI is not set
-# CONFIG_SND_SOC_FSL_SSI is not set
-# CONFIG_SND_SOC_FSL_SPDIF is not set
-# CONFIG_SND_SOC_FSL_ESAI is not set
-# CONFIG_SND_SOC_IMX_AUDMUX is not set
-# CONFIG_MT_SND_SOC_V1 is not set
-# CONFIG_MT_SND_SOC_V2 is not set
-# CONFIG_MT_SND_SOC_V3 is not set
-# CONFIG_MT_SND_SOC_6580 is not set
-# CONFIG_MT_SND_SOC_6755 is not set
-CONFIG_MT_SND_SOC_8163=y
-# CONFIG_MT_SND_SOC_8163_AMZN is not set
-# CONFIG_SND_I2S_MCLK is not set
-# CONFIG_SND_SOC_8_MICS is not set
-# CONFIG_MTK_SPEAKER is not set
-# CONFIG_MTK_NXP_TFA9890 is not set
-# CONFIG_SND_SOC_MT2701_EVB is not set
-# CONFIG_MTK_ALIGN_24BIT_DATA_8BIT_0 is not set
-# CONFIG_SND_SOC_MT2701_RT5640 is not set
-# CONFIG_MTK_16BIT_IN_24BIT_OUT is not set
-# CONFIG_SND_BT_SCO_I2S is not set
-CONFIG_MTK_AUDIO_USE_SHARED_SRAM=y
-CONFIG_SND_SOC_I2C_AND_SPI=y
-
-#
-# CODEC drivers
-#
-# CONFIG_SND_SOC_ADAU1701 is not set
-# CONFIG_SND_SOC_AK4104 is not set
-# CONFIG_SND_SOC_AK4554 is not set
-# CONFIG_SND_SOC_AK4642 is not set
-# CONFIG_SND_SOC_AK5386 is not set
-# CONFIG_SND_SOC_ALC5623 is not set
-# CONFIG_SND_SOC_CS35L32 is not set
-# CONFIG_SND_SOC_CS42L52 is not set
-# CONFIG_SND_SOC_CS42L56 is not set
-# CONFIG_SND_SOC_CS42L73 is not set
-# CONFIG_SND_SOC_CS4265 is not set
-# CONFIG_SND_SOC_CS4270 is not set
-# CONFIG_SND_SOC_CS4271 is not set
-# CONFIG_SND_SOC_CS42XX8_I2C is not set
-# CONFIG_SND_SOC_HDMI_CODEC is not set
-# CONFIG_SND_SOC_ES8328 is not set
-# CONFIG_SND_SOC_PCM1681 is not set
-# CONFIG_SND_SOC_PCM1792A is not set
-# CONFIG_SND_SOC_PCM512x_I2C is not set
-# CONFIG_SND_SOC_PCM512x_SPI is not set
-# CONFIG_SND_SOC_SGTL5000 is not set
-# CONFIG_SND_SOC_SIRF_AUDIO_CODEC is not set
-# CONFIG_SND_SOC_SPDIF is not set
-# CONFIG_SND_SOC_SSM2602_SPI is not set
-# CONFIG_SND_SOC_SSM2602_I2C is not set
-# CONFIG_SND_SOC_SSM4567 is not set
-# CONFIG_SND_SOC_STA350 is not set
-# CONFIG_SND_SOC_TAS2552 is not set
-# CONFIG_SND_SOC_TAS5086 is not set
-# CONFIG_SND_SOC_TLV320AIC31XX is not set
-# CONFIG_SND_SOC_TLV320AIC3101 is not set
-# CONFIG_SND_SOC_TLV320AIC3X is not set
-# CONFIG_SND_SOC_WM8510 is not set
-# CONFIG_SND_SOC_WM8523 is not set
-# CONFIG_SND_SOC_WM8580 is not set
-# CONFIG_SND_SOC_WM8711 is not set
-# CONFIG_SND_SOC_WM8728 is not set
-# CONFIG_SND_SOC_WM8731 is not set
-# CONFIG_SND_SOC_WM8737 is not set
-# CONFIG_SND_SOC_WM8741 is not set
-# CONFIG_SND_SOC_WM8750 is not set
-# CONFIG_SND_SOC_WM8753 is not set
-# CONFIG_SND_SOC_WM8770 is not set
-# CONFIG_SND_SOC_WM8776 is not set
-# CONFIG_SND_SOC_WM8804 is not set
-# CONFIG_SND_SOC_WM8903 is not set
-# CONFIG_SND_SOC_WM8962 is not set
-# CONFIG_SND_SOC_WM8978 is not set
-# CONFIG_SND_SOC_TPA6130A2 is not set
-CONFIG_SND_SIMPLE_CARD=y
-CONFIG_SOUND_PRIME=y
+# CONFIG_SOUND is not set
 
 #
 # HID support
@@ -2572,7 +2431,6 @@ CONFIG_HID_APPLE=y
 CONFIG_HID_BELKIN=y
 CONFIG_HID_CHERRY=y
 CONFIG_HID_CHICONY=y
-# CONFIG_HID_PRODIKEYS is not set
 # CONFIG_HID_CP2112 is not set
 CONFIG_HID_CYPRESS=y
 CONFIG_HID_DRAGONRISE=y
@@ -3057,7 +2915,6 @@ CONFIG_STAGING=y
 # CONFIG_RTLLIB is not set
 # CONFIG_R8712U is not set
 # CONFIG_R8188EU is not set
-# CONFIG_LINE6_USB is not set
 # CONFIG_BCM_WIMAX is not set
 # CONFIG_FT1000 is not set
 

device/testing/linux-amazon-douglas/disable-sound.patch

+From 25b85f89a276fa67ef4c8fa1681020fc843adfd5 Mon Sep 17 00:00:00 2001
+From: Shuhao Wu <shuhao@shuhaowu.com>
+Date: Tue, 16 Jun 2020 23:58:01 -0400
+Subject: [PATCH] Disable sound in kernel
+
+Everytime the audio subsystem is accessed (such as via hwtest), the
+device hangs. This causes problems as one cannot enter even simple DEs
+like XFCE4 without freezes.
+---
+ drivers/regulator/Kconfig    | 1 +
+ drivers/usb/gadget/android.c | 6 ++++++
+ 2 files changed, 7 insertions(+)
+
+diff --git a/drivers/regulator/Kconfig b/drivers/regulator/Kconfig
+index 5173112b..432cb6d1 100644
+--- a/drivers/regulator/Kconfig
++++ b/drivers/regulator/Kconfig
+@@ -586,6 +586,7 @@ config REGULATOR_SKY81452
+ config REGULATOR_SYM827
+ 	tristate "Silergy SYM827 regulator"
+ 	depends on I2C
++	select REGMAP_I2C
+ 	help
+ 	  Say y here to support for the Silergy SYM827.
+ 	  The SYM827 is a high efficiency synchronous step down
+diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
+index 0ebdb434..b60743ee 100644
+--- a/drivers/usb/gadget/android.c
++++ b/drivers/usb/gadget/android.c
+@@ -41,7 +41,9 @@
+ 
+ 
+ #include "f_fs.c"
++#ifdef CONFIG_SOUND
+ #include "f_audio_source.c"
++#endif
+ #ifdef CONFIG_SND_RAWMIDI
+ #include "f_midi.c"
+ #endif
+@@ -1675,6 +1677,7 @@ static struct android_usb_function accessory_function = {
+ 	.ctrlrequest	= accessory_function_ctrlrequest,
+ };
+ 
++#ifdef CONFIG_SOUND
+ static int audio_source_function_init(struct android_usb_function *f,
+ 			struct usb_composite_dev *cdev)
+ {
+@@ -1736,6 +1739,7 @@ static struct android_usb_function audio_source_function = {
+ 	.unbind_config	= audio_source_function_unbind_config,
+ 	.attributes	= audio_source_function_attributes,
+ };
++#endif
+ 
+ #ifdef CONFIG_MTK_C2K_SUPPORT
+ static int rawbulk_function_init(struct android_usb_function *f,
+@@ -1886,7 +1890,9 @@ static struct android_usb_function *supported_functions[] = {
+ 	&rndis_function,
+ 	&mass_storage_function,
+ 	&accessory_function,
++#ifdef CONFIG_SOUND
+ 	&audio_source_function,
++#endif
+ #ifdef CONFIG_SND_RAWMIDI
+ 	&midi_function,
+ #endif
+-- 
+2.25.1
+