Android软件调试记录

1、Android7.1禁用锁屏功能

		--- a/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
		+++ b/packages/SettingsProvider/src/com/android/providers/settings/DatabaseHelper.java
		@@ -2488,7 +2488,7 @@ class DatabaseHelper extends SQLiteOpenHelper {
		             loadStringSetting(stmt, Settings.Secure.ACCESSIBILITY_SCREEN_READER_URL,
		                     R.string.def_accessibility_screen_reader_url);
		 
		-            if (SystemProperties.getBoolean("ro.lockscreen.disable.default", false) == true) {
		+            if (SystemProperties.getBoolean("ro.lockscreen.disable.default", true) == true) {
		                 loadSetting(stmt, Settings.System.LOCKSCREEN_DISABLED, "1");
		             } else {
		                 loadBooleanSetting(stmt, Settings.System.LOCKSCREEN_DISABLED,

2、Android7.1插入Usb设备启动应用时默认授权

		--- a/packages/SystemUI/src/com/android/systemui/usb/UsbPermissionActivity.java
		+++ b/packages/SystemUI/src/com/android/systemui/usb/UsbPermissionActivity.java
		@@ -109,9 +109,15 @@ public class UsbPermissionActivity extends AlertActivity
		         mClearDefaultHint = (TextView)ap.mView.findViewById(
		                                                     com.android.internal.R.id.clearDefaultHint);
		         mClearDefaultHint.setVisibility(View.GONE);
		-
		-        setupAlert();
		-
		+               
		+               //zeni modi usb Dialogs
		+               if(mPackageName.startsWith("com.hoppen.wax.test.testcamera")){
		+                       mPermissionGranted = true;
		+                       finish();
		+               }
		+               else {
		+                       setupAlert(); 
		+               }
		     }

3、Android桌面显示图标大小(显示密度)底部虚拟按键
修改device/rockchip/rk3368/rk3368H_64/system.prop中ro.sf.lcd_density=200
build.prop中加入qemu.hw.mainkeys=1 可以去掉底部虚拟按键

4、插上HDMI电视大概率不显示画面

	--- a/drivers/clk/rockchip/clk-rk3368.c
		+++ b/drivers/clk/rockchip/clk-rk3368.c
		@@ -96,6 +96,25 @@ static struct rockchip_pll_rate_table rk3368_pll_rates[] = {
		        { /* sentinel */ },
		 };
		 
		+static struct rockchip_pll_rate_table rk3368_npll_rates[] = {
		+       RK3066_PLL_RATE_NB(594000000, 1, 99, 4, 32),
		+       RK3066_PLL_RATE_NB(585000000, 6, 585, 4, 32),
		+       RK3066_PLL_RATE_NB(432000000, 3, 216, 4, 32),
		+       RK3066_PLL_RATE_NB(426000000, 3, 213, 4, 32),
		+       RK3066_PLL_RATE_NB(400000000, 1, 100, 6, 32),
		+       RK3066_PLL_RATE_NB(342000000, 3, 171, 4, 32),
		+       RK3066_PLL_RATE_NB(297000000, 2, 198, 8, 16),
		+       RK3066_PLL_RATE_NB(270000000, 1, 135, 12, 32),
		+       RK3066_PLL_RATE_NB(260000000, 1, 130, 12, 32),
		+       RK3066_PLL_RATE_NB(148500000, 1, 99, 16, 32),
		+       RK3066_PLL_RATE_NB(146250000, 6, 585, 16, 32),
		+       RK3066_PLL_RATE_NB(108000000, 1, 54, 12, 32),
		+       RK3066_PLL_RATE_NB(106500000, 4, 213, 12, 32),
		+       RK3066_PLL_RATE_NB(85500000, 4, 171, 12, 32),
		+       RK3066_PLL_RATE_NB(74250000, 4, 198, 16, 32),
		+};
		+
		+
		 PNAME(mux_pll_p)               = { "xin24m", "xin32k" };
		 PNAME(mux_armclkb_p)           = { "apllb_core", "gpllb_core" };
		 PNAME(mux_armclkl_p)           = { "aplll_core", "gplll_core" };
		@@ -148,7 +167,7 @@ static struct rockchip_pll_clock rk3368_pll_clks[] __initdata = {
		        [gpll] = PLL(pll_rk3066, PLL_GPLL, "gpll", mux_pll_p, 0, RK3368_PLL_CON(16),
		                     RK3368_PLL_CON(19), 8, 4, ROCKCHIP_PLL_SYNC_RATE, rk3368_pll_rates),
		        [npll] = PLL(pll_rk3066, PLL_NPLL, "npll",  mux_pll_p, 0, RK3368_PLL_CON(20),
		-                    RK3368_PLL_CON(23), 8, 5, 0, rk3368_pll_rates),
		+                    RK3368_PLL_CON(23), 8, 5, 0, rk3368_npll_rates),
		 };
		 
		 static struct clk_div_table div_ddrphy_t[] = {

5、rk3399 Uboot中关机充电(基本上是由于io口不受控引起,使能io口、给电基本上就可以了)

diff --git a/.config b/.config
		index 7f3cc81..20ecf57 100644
		--- a/.config
		+++ b/.config
		@@ -1029,8 +1029,7 @@ CONFIG_POWER_FG_CW201X=y
		 #
		 # IO Domain Support
		 #
		-# CONFIG_IO_DOMAIN is not set
		+CONFIG_IO_DOMAIN=y
		+CONFIG_ROCKCHIP_IO_DOMAIN=y
		 CONFIG_DM_PMIC=y
		 CONFIG_PMIC_CHILDREN=y
		 CONFIG_SPL_PMIC_CHILDREN=y
		diff --git a/drivers/power/pmic/rk8xx.c b/drivers/power/pmic/rk8xx.c
		index 870309d..832fccf
		--- a/drivers/power/pmic/rk8xx.c
		+++ b/drivers/power/pmic/rk8xx.c
		@@ -412,7 +412,8 @@ static int rk8xx_probe(struct udevice *dev)
		        uint8_t on_source = 0, off_source = 0;
		        uint8_t power_en0, power_en1, power_en2, power_en3;
		        uint8_t value;
		-
		+       pmic_reg_write(dev, REG_LDO_EN, 173);//使能LDO组电压以使能gpio2
		+       printf("REG_LDO_EN==lxx==0x%x\n",pmic_reg_read(dev, REG_LDO_EN) );
		        /* read Chip variant */
		        if (device_is_compatible(dev, "rockchip,rk817") ||
		            device_is_compatible(dev, "rockchip,rk809")) {
		diff --git a/arch/arm/mach-rockchip/rk3399/rk3399.c b/arch/arm/mach-rockchip/rk3399/rk3399.c
		index 71f5f1f..dbd7082
		--- a/arch/arm/mach-rockchip/rk3399/rk3399.c
		+++ b/arch/arm/mach-rockchip/rk3399/rk3399.c
		@@ -115,7 +115,8 @@ int arch_cpu_init(void)
		 
		        /* Set perilp_nsp QOS priority to 3 for USB 3.0 */
		        writel(QOS_PRIORITY_LEVEL(3, 3), NIU_PERILP_NSP_ADDR);
		-
		+       writel(0xffff0300, PMU_GRF_SOC_CON0);//使能gpio1
		+       printf("==lxx==%d\n",readl(0xff320180));
		        return 0;
		 }

6、默认系统语言为中文

		diff --git a/tools/buildinfo.sh b/tools/buildinfo.sh
		index 7efe57e..9f9b509 100755
		--- a/tools/buildinfo.sh
		+++ b/tools/buildinfo.sh
		@@ -72,4 +72,9 @@ if [ -n "$BUILD_THUMBPRINT" ] ; then
		 fi
		 echo "ro.build.characteristics=$TARGET_AAPT_CHARACTERISTICS"
		 
		+persist.sys.language=zh
		+persist.sys.country=CN
		+ro.product.locale.language=zh
		+ro.product.locale.region=CN
		+
		 echo "# end build properties"

7、linux全屏显示(去掉上边栏)

		weston-3.0.0/clients/desktop-shell.c中做如下修改:永久修改可在“0020-compositor-drm-Support-controlling-output-dynamicall.patch”中加入一下补丁
		@ -1363,9 +1382,9 @ parse_panel_position(struct desktop *desktop, struct weston_config_section *s) {
		char *position;

		- desktop->want_panel = 1;
		+ desktop->want_panel = 0;

		- weston_config_section_get_string(s, "panel-position", &position, "top");
		+ weston_config_section_get_string(s, "panel-position", &position, "none");
		if (strcmp(position, "top") == 0) {
		desktop->panel_position = WESTON_DESKTOP_SHELL_PANEL_POSITION_TOP;
		} else if (strcmp(position, "bottom") == 0) {

8、去掉应添加gslx680.c触摸驱动导致桌面出现鼠标图标

		libinput-1.8.2/src/evdev.c中做如下修改:
		diff --git a/evdev.c b/evdev.c
		index ea0ed7a..9121264 100755
		--- a/evdev.c
		+++ b/evdev.c
		@@ -2652,8 +2652,7 @@ evdev_configure_device(struct evdev_device *device)
		                return dispatch;
		        }
		 
		-       if (udev_tags & EVDEV_UDEV_TAG_MOUSE ||
		-           udev_tags & EVDEV_UDEV_TAG_POINTINGSTICK) {
		+       if (udev_tags & EVDEV_UDEV_TAG_POINTINGSTICK) {
		                evdev_tag_external_mouse(device, device->udev_device);
		                evdev_tag_trackpoint(device, device->udev_device);
		                device->dpi = evdev_read_dpi_prop(device);

9、linux开机播放音频不出声:etc/init.d/S50launcher中播放音频前加play指令

		printf "Starting launcher: "
        export LC_ALL='zh_CN.utf8'
        export QT_QPA_PLATFORM=wayland
        export WESTON_DRM_MIRROR=1
        export WESTON_DRM_KEEP_RATIO=1
        export QT_GSTREAMER_WINDOW_VIDEOSINK=waylandsink
        mkdir -p /tmp/.xdg &&  chmod 0700 /tmp/.xdg
        export XDG_RUNTIME_DIR=/tmp/.xdg
        weston --tty=2 --idle-time=0&
        play
        sleep 1
        /usr/bin/PionpresueTM_ICP &
        #/usr/bin/QLauncher &

10、默认打开WiFi

		diff --git a/packages/SettingsProvider/res/values/defaults.xml 		     			           b/packages/SettingsProvider/res/values/defaults.xml
		index e9bcf2a..aef448d 100755
		--- a/packages/SettingsProvider/res/values/defaults.xml
		+++ b/packages/SettingsProvider/res/values/defaults.xml
	
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