You may need the patch http://review.source.android.com/Gerrit#change,6623 patch set 2 to build the alsa-lib on x86 platform.
Thanks Jackie On Thu, Feb 12, 2009 at 2:21 PM, bo wang <wangbo...@gmail.com> wrote: > Dear all, > > I find some info , i will do it . > > Android Porting Guide to Beagle Board > > http://labs.embinux.org/index.php/Android_Porting_Guide_to_Beagle_Board > > > > <http://index.php/?title=ALSA_Support&action=edit&redlink=1> > > ALSA Support <http://index.php/?title=ALSA_Support&action=edit&redlink=1> > > 1- $cd ~ > > 2- Clone alsa-lib from > $git clone git://android.git.kernel.org/platform/external/alsa-lib.git > > 3- Clone ALSA based libaudio > $git clone git://android.git.kernel.org/platform/hardware/alsa_sound.git > > 4- Apply following patches to build > > Alsa_sound patch > $cd ~/alsa_sound > $patch -p1 < ~/Alsa_sound.patch > Media:Alsa_sound.patch <http://images/2/25/Alsa_sound.patch> > > 5-Change directory to the root "android_build" > > $ cd ~/android_build > > 6- Add ALSA audio support to the board config file and comment out generic > audio support. > $vim ~/android_build/build/target/board/generic/BoardConfig.mk > add BOARD_USES_ALSA_AUDIO := true > > #BOARD_USES_GENERIC_AUDIO := true > > 7- Copy ALSA support supporting code from steps 3 and 4 above > $cd ~/android_build > $cp -a ~/alsa-lib external > $cp -a ~/alsa_sound hardware > > 8-Compile build > > $cd ~/android_build > $make > > > and i want to know , how to compile modules, step by step. > what is different from other build modules ? > i use ubuntu 8.10 gcc 4.3.2ubuntu11. > > Best Regards, > Sam > > 2009/2/11 Jackie Wu <wwh.andr...@gmail.com> > >> uvcvideo is also a kernel driver only. You also need a userspace layer as >> well as the audio. libcamera.so. I plan to share my code to the community >> soon. >> >> Thanks >> Jackie >> >> On Wed, Feb 11, 2009 at 3:42 PM, bo wang <wangbo...@gmail.com> wrote: >> >>> hi , >>> >>> this is my load drivers , >>> >>> lsmod >>> fbcon >>> i95 >>> drm >>> cfbcopyarea >>> cfbillrect >>> cfbimgblt >>> font >>> bitblit >>> softcurosor >>> atl2 >>> >>> maybe i need uvcvedio... >>> >>> >>> Thanks , >>> Sam >>> >>> >>> 2009/2/11 bo wang <wangbo...@gmail.com> >>> >>> Dear jackis , >>>> >>>> I think i have use the sound driver. >>>> cat /proc/asound/version >>>> Advanced Linux Sound Architectrue Driver Version 1.0.16rc2 >>>> i find the 701Sd use realtek ALC269 and the 701 use realtek ALC662. >>>> why it not work ?i need recompile ? >>>> >>>> >>>> Thanks >>>> Sam >>>> >>>> >>>> >>>> >>>> >>>> >>>> 2009/2/11 Jackie Wu <wwh.andr...@gmail.com> >>>> >>>> The ALSA audio support has been added into Android projects. (Check >>>>> http://android.git.kernel.org/, alsa_sound and alsa-lib). You can get >>>>> it and make your audio work. The kernel already include ALSA driver. >>>>> >>>>> For the camera, you may need the uvcvideo kernel driver first. Then you >>>>> need to write a CameraHardwareInterface (generate libcamera.so) to make >>>>> camera work. You need to refer to the CameraHardwareStub.cpp >>>>> >>>>> Thanks >>>>> Jackie(Weihua) Wu >>>>> >>>>> >>>>> On Tue, Feb 10, 2009 at 11:34 AM, android-porting-epc < >>>>> wangbo...@gmail.com> wrote: >>>>> >>>>>> >>>>>> hi all, >>>>>> >>>>>> i porting android to epc 701sd , but sound cannot work , >>>>>> 701sd audio is different from 701 ,so can anybody tell me ? >>>>>> where can i get the driver ? >>>>>> >>>>>> i fount somebody porting android to 901 , i want know >>>>>> where can you get tht driver ?and you change the /modules and the >>>>>> init.rc ??? >>>>>> >>>>>> the camera cannot work.... >>>>>> >>>>>> Thanks, >>>>>> Sam >>>>>> >>>>> >>>> >>> >>> >>> >>> >>> > > > > --~--~---------~--~----~------------~-------~--~----~ unsubscribe: android-porting+unsubscr...@googlegroups.com website: http://groups.google.com/group/android-porting -~----------~----~----~----~------~----~------~--~---
