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Android

How to Add Audio sound card support in Android

- This notes explains how to add audio sound card support in Android OS. It is assued that you have a working ALSA driver for your sound card and it is getting listed as a alsa sound card. Here is the output of registed card in a IMX6 SBC. # cat /proc/asound/cards 0 [imxaudiobtlsr ]: imx-audio-btlsr - imx-audio-btlsr imx-audio-btlsr 1 [wm8750audio ]: wm8750-audio - wm8750-audio wm8750-audio 2 [imxhdmisoc ]: imx-hdmi-soc - imx-hdmi-soc imx-hdmi-soc My aim is to integrate the wm8750audio sound card with Android OS and get it working. Read More


How to Extract Android boot.img

- Unlike system.img boot.img is not a filesystem image. It is read by the bootloader, and contains a kernel image and a tiny ramdisk image. boot.img is created using mkbootimg tool, and unpacked using unmkbootimg, these tools are part of Android source, but you can download these tools from this git https://github.com/pbatard/bootimg-tools Download the source and execute the make file to compile the tools Extracting/Unpacking boot.img: unmkbootimg command usage $ . Read More