From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by yocto-www.yoctoproject.org (Postfix, from userid 118) id 4A142E0086D; Tue, 24 Mar 2015 04:21:53 -0700 (PDT) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on yocto-www.yoctoproject.org X-Spam-Level: X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00 autolearn=ham version=3.3.1 X-Spam-HAM-Report: * -1.9 BAYES_00 BODY: Bayes spam probability is 0 to 1% * [score: 0.0000] Received: from mail.chez-thomas.org (mail.mlbassoc.com [65.100.170.105]) by yocto-www.yoctoproject.org (Postfix) with ESMTP id 22D78E00837 for ; Tue, 24 Mar 2015 04:21:50 -0700 (PDT) Received: by mail.chez-thomas.org (Postfix, from userid 1998) id CBA12F8119A; Tue, 24 Mar 2015 05:21:49 -0600 (MDT) Received: from [192.168.1.114] (zeus [192.168.1.114]) by mail.chez-thomas.org (Postfix) with ESMTP id 56306F81188; Tue, 24 Mar 2015 05:21:49 -0600 (MDT) Message-ID: <551148CE.6070100@mlbassoc.com> Date: Tue, 24 Mar 2015 05:21:50 -0600 From: Gary Thomas User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0 MIME-Version: 1.0 To: yocto@yoctoproject.org References: <1427055667-2226-1-git-send-email-schnitzeltony@googlemail.com> <55103860.7010503@mlbassoc.com> <55108912.5070304@mlbassoc.com> <55109E3D.7000306@mlbassoc.com> <55111E73.6000705@dynamicdevices.co.uk> <551122EB.7070707@dynamicdevices.co.uk> In-Reply-To: <551122EB.7070707@dynamicdevices.co.uk> Subject: Re: [meta-raspberrypi][PATCH] make sound work out of the box for raspberrypi2 X-BeenThere: yocto@yoctoproject.org X-Mailman-Version: 2.1.13 Precedence: list List-Id: Discussion of all things Yocto Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 24 Mar 2015 11:21:53 -0000 Content-Type: text/plain; charset=windows-1252; format=flowed Content-Transfer-Encoding: 8bit On 2015-03-24 02:40, Alex J Lennon wrote: > > > On 24/03/2015 09:21, Alex J Lennon wrote: >> >> On 24/03/2015 08:21, Andreas Müller wrote: >>> On Tue, Mar 24, 2015 at 12:14 AM, Gary Thomas wrote: >>>> On 2015-03-23 16:22, Andreas Müller wrote: >>>>> On Mon, Mar 23, 2015 at 10:43 PM, Gary Thomas wrote: >>>>>> On 2015-03-23 14:57, Andreas Müller wrote: >>>>>>> On Mon, Mar 23, 2015 at 4:59 PM, Gary Thomas wrote: >>>>>>>> On 2015-03-22 14:21, Andreas Müller wrote: >>>>>>>>> >>>>>>>>> Signed-off-by: Andreas Müller >>>>>>>>> --- >>>>>>>>> ...-during-boot-by-compiling-SND_BCM2835-int.patch | 38 >>>>>>>>> ++++++++++++++++++++++ >>>>>>>>> recipes-kernel/linux/linux-raspberrypi_3.18.bb | 8 +++-- >>>>>>>>> 2 files changed, 43 insertions(+), 3 deletions(-) >>>>>>>>> create mode 100644 >>>>>>>>> >>>>>>>>> >>>>>>>>> recipes-kernel/linux/linux-raspberrypi/0001-start-sound-during-boot-by-compiling-SND_BCM2835-int.patch >>>>>>>> >>>>>>>> >>>>>>>> I tried this patch (which downloaded very strangely using Thunderbird) >>>>>>>> and >>>>>>>> the >>>>>>>> kernel rebuilt fine. I now have the audio detected, but still no sound >>>>>>>> :-( >>>>>>>> Again I've tried the internal (phono) speakers as well as HDMI audio. >>>>>>>> >>>>>>>> Just to prove a point on the [brand new] hardware, I installed OpenELEC >>>>>>>> (XBMC) >>>>>>>> and it works fine using the HDMI audio. Sadly when I tried Raspbian >>>>>>>> and >>>>>>>> Ubuntu >>>>>>>> there was no sound either... >>>>>>>> >>>>>>>> Were you (Andreas) able to get any sound with this patch? >>>>>>>> >>>>>>> Yes but I have used 3.5mm sound output - Should have mentioned that in >>>>>>> commit. I guess there is to enable something else in kernel config for >>>>>>> HDMI. Will look into that >>>>>> >>>>>> I've tried the 3.5mm jack as well but nothing seems to come out. >>>>>> I even tried booting with the HDMI missing (powered off) in case >>>>>> that was causing some confusion. >>>>>> >>>>>> Did you make any changes to config.txt to get this going? >>>>> No >>>>> Have my standard xfce-image with xfce4-mixer and as mentioned out of >>>>> the box: I can hear sound / change volume... >>>> Would it be possible to share your [bootable] image? >>>> >>>>> What does happen if you start alsamixer - if it is installed on your >>>>> image? >>>> alsamixer looks correct. >>>> >>>> BTW, I've tried this on my RaspberryPi Model B and I don't get any sound >>>> from it either :-( Again, booting with test_mode=1 shows that the hardware >>>> is working, just not in Linux. I'm sure I've tried this in the past with >>>> success so I'm becoming more and more confused... >>>> >>> For sharing I need to create a smaller image - the current one >>> contains all stuff from meta-games, all browsers and more. Hope to get >>> that done tomorrow evening. What is the preferred way of sharing huge >>> files? >>> >> Circling around this a little, hello_audio built out of vc_graphics >> works too over the audio jack >> >> Alex >> > > OK I got some life from GStreamer and my RPIv2 > > Install amixer > > modprobe snd_bcm2835 (or presumably use an image with audio built-in) > > amixer cset numid=3 1 (to set output to audio jack) > > gst-launch-1.0 audiotestsrc ! alsasink > > I get a tone out of the audio jack. So some kind of audio routing defaults issue. Indeed, this does work - tested on RaspberryPi and RaspberryPi2. Now, to figure out how to make audio over HDMI work. -- ------------------------------------------------------------ Gary Thomas | Consulting for the MLB Associates | Embedded world ------------------------------------------------------------