->I used https://www.udoo.org/docs-neo/Hardware_&_Accessories/HDMI_7inch_touch.html instruction for touch screen LCD display https://www.evelta.com/7-inch-capac...MI_qTfktKy5gIVFIuPCh1Inw43EAQYASABEgJIMvD_BwE ->I used android source code (https://www.udoo.org/docs-neo/Advanced_Topics/Compile_Android_From_Source.html) -> For DTS files used below forum https://www.udoo.org/forum/threads/where-can-i-get-udoo-neo_7hdmitouch_dtbs-tar-gz-file.30131/ After all changes I am getting the following issue can anybody suggest the solution [ 313.426521] usb 1-1: new full-speed USB device number 37 using ci_hdrc [ 313.586999] usb 1-1: New USB device found, idVendor=0eef, idProduct=0005 [ 313.593815] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 313.604516] usb 1-1: Product: WS170120 [ 313.608489] usb 1-1: Manufacturer: WaveShare [ 313.612847] usb 1-1: SerialNumber: |�Î85553L406 [ 313.779040] usbhid 1-1:1.0: can't add hid device: -71 [ 313.784277] usbhid: probe of 1-1:1.0 failed with error -71 [ 313.794779] usb 1-1: USB disconnect, device number 37 [ 314.086761] usb 1-1: new full-speed USB device number 38 using ci_hdrc [ 314.247012] usb 1-1: New USB device found, idVendor=0eef, idProduct=0005 [ 314.254188] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 314.264282] usb 1-1: Product: WS170120 [ 314.268603] usb 1-1: Manufacturer: WaveShare [ 314.273703] usb 1-1: SerialNumber: |�Î85553L406 �[ 314.287672] input: WaveShare WS170120 as /devices/soc0/soc.0/2100000.aips-bus/2184200.usb/ci_hdrc.1/usb1/1-1/1-1:1.0/0003:0EEF:0005.000E/input/input17 �[ 314.304914] hid-multitouch 0003:0EEF:0005.000E: input,hidraw0: USB HID v1.10 Device [WaveShare WS170120] on usb-ci_hdrc.1-1/input0 [ 314.318130] usb 1-1: USB disconnect, device number 38 [ 314.696495] usb 1-1: new full-speed USB device number 39 using ci_hdrc [ 314.857015] usb 1-1: New USB device found, idVendor=0eef, idProduct=0005 [ 314.864197] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 314.874284] usb 1-1: Product: WS170120 [ 314.878597] usb 1-1: Manufacturer: WaveShare [ 314.883709] usb 1-1: SerialNumber: |�Î85553L406 [ 315.018077] usbhid 1-1:1.0: can't add hid device: -71 [ 315.023311] usbhid: probe of 1-1:1.0 failed with error -71 [ 315.032734] usb 1-1: USB disconnect, device number 39 ����������[ 315.486317] mmc0: Timeout waiting for hardware interrupt. [ 315.491824] ------------[ cut here ]------------ [ 315.496530] WARNING: CPU: 0 PID: 0 at /home/hiten/myandroid/kernel_imx/drivers/mmc/host/sdhci.c:994 sdhci_send_command+0x7d4/0xd0c() [ 315.508467] Modules linked in: wlcore_sdio wl18xx wlcore mac80211 cfg80211 tty_hci st_drv [ 315.516917] CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.14.52-09429-gb1c315c-dirty #2 [ 315.524860] [<c0014f78>] (unwind_backtrace) from [<c0011d1c>] (show_stack+0x10/0x14) [ 315.532679] [<c0011d1c>] (show_stack) from [<c06bcee0>] (dump_stack+0x84/0xbc) [ 315.539987] [<c06bcee0>] (dump_stack) from [<c0030cec>] (warn_slowpath_common+0x6c/0x88) [ 315.548144] [<c0030cec>] (warn_slowpath_common) from [<c0030da4>] (warn_slowpath_null+0x1c/0x24) [ 315.556991] [<c0030da4>] (warn_slowpath_null) from [<c0487e80>] (sdhci_send_command+0x7d4/0xd0c) [ 315.565831] [<c0487e80>] (sdhci_send_command) from [<c048876c>] (sdhci_timeout_timer+0x74/0xb8) [ 315.574606] [<c048876c>] (sdhci_timeout_timer) from [<c003aea8>] (call_timer_fn.isra.8+0x24/0x84) [ 315.583544] [<c003aea8>] (call_timer_fn.isra.8) from [<c003b070>] (run_timer_softirq+0x168/0x1ec) [ 315.592473] [<c003b070>] (run_timer_softirq) from [<c0034cdc>] (__do_softirq+0x12c/0x238) [ 315.600703] [<c0034cdc>] (__do_softirq) from [<c00350b8>] (irq_exit+0xac/0xf4) [ 315.607981] [<c00350b8>] (irq_exit) from [<c000ece8>] (handle_IRQ+0x44/0x90) [ 315.615082] [<c000ece8>] (handle_IRQ) from [<c00084e0>] (gic_handle_irq+0x2c/0x5c) [ 315.622697] [<c00084e0>] (gic_handle_irq) from [<c0012800>] (__irq_svc+0x40/0x70) [ 315.630212] Exception stack(0xc099df20 to 0xc099df68) [ 315.635314] df20: c099df68 3b9aca00 7412d1dc 00000049 ee798110 c09ae898 73981697 00000049 [ 315.643538] df40: 00000001 00000000 c099c000 00000000 00000017 c099df68 00000009 c0472d88 [ 315.651746] df60: 00070013 ffffffff [ 315.655306] [<c0012800>] (__irq_svc) from [<c0472d88>] (cpuidle_enter_state+0x50/0xe4) [ 315.663289] [<c0472d88>] (cpuidle_enter_state) from [<c0472ed0>] (cpuidle_idle_call+0xb4/0x150) [ 315.672042] [<c0472ed0>] (cpuidle_idle_call) from [<c000f118>] (arch_cpu_idle+0x8/0x44) [ 315.680125] [<c000f118>] (arch_cpu_idle) from [<c006f7d8>] (cpu_startup_entry+0x100/0x144) [ 315.688463] [<c006f7d8>] (cpu_startup_entry) from [<c0953b40>] (start_kernel+0x364/0x370) [ 315.696676] ---[ end trace 0786792389d1fbd7 ]--- [ 315.702939] mmcblk0: error -110 sending status command, retrying [ 315.717510] mmcblk0: error -110 sending status command, retrying [ 315.725705] mmcblk0: error -110 sending status command, aborting [ 315.731780] end_request: I/O error, dev mmcblk0, sector 21377808 [ 315.737834] EXT4-fs warning (device mmcblk0p4): ext4_end_bio:317: I/O error -5 writing to inode 393496 (offset 0 size 4096 starting block 2672227) [ 315.751134] Buffer I/O error on device mmcblk0p4, logical block 2130530 [ 315.906508] usb 1-1: new full-speed USB device number 40 using ci_hdrc [ 316.067021] usb 1-1: New USB device found, idVendor=0eef, idProduct=0005 [ 316.073832] usb 1-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3 [ 316.084428] usb 1-1: Product: WS170120 [ 316.088397] usb 1-1: Manufacturer: WaveShare -> at same time android os flipping continues in LCD display and some pixels show black colors Thanks,