[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-05 Thread Raymond
** Package changed: linux (Ubuntu) => alsa-driver (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1234252 Title: [MacBookPro8,1, CS4206] Left speaker low volume and absence of l

[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-03 Thread Vladimir Katilevskiy
It seems I found the answer to my question/bugreport. My macbook pro 8.1 13-inch really has 3 speakers: left, right and so called (by Apple) "subwoofer" - standalone additional speaker, which is located on the right side (this is important!). It is a really new thing for me (after 2 years of usi

[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-03 Thread Raymond
http://git.kernel.org/cgit/linux/kernel/git/tiwai/sound.git/log/sound/pci/hda/patch_cirrus.c -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1234252 Title: [MacBookPro8,1, CS4206] Left sp

[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-03 Thread Raymond
take a look at cs4207 datasheet http://www.cirrus.com/en/products/cs4207.html -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1234252 Title: [MacBookPro8,1, CS4206] Left speaker low volu

[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-02 Thread Vladimir Katilevskiy
Well, hda-analyzer tool running in monitor mode shows that volume level of Bass speaker changes while moving corresponding sliders (left and right) in alsamixer, but those changes affect only right channel. Feel free to ask me for additional info/logs or for triyng defferent versions of kernel e

[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-02 Thread Vladimir Katilevskiy
Joseph, thanks for the answer. Have just tried latest 3.12 kernel, but the bug is still there :( I ll try to use hda-analyzer tool from alsa-project just to see what happening when I move the Bass speaker slider in alsamixer. It seems to me, that only right channel' slider of this mixer item work

[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-02 Thread Joseph Salisbury
Would it be possible for you to test the latest upstream kernel? Refer to https://wiki.ubuntu.com/KernelMainlineBuilds . Please test the latest v3.12 kernel[0]. If this bug is fixed in the mainline kernel, please add the following tag 'kernel-fixed-upstream'. If the mainline kernel does not fix t

[Kernel-packages] [Bug 1234252] Re: [MacBookPro8, 1, CS4206] Left speaker low volume and absence of low freqs

2013-10-02 Thread Brad Figg
** Package changed: linux-meta (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1234252 Title: [MacBookPro8,1, CS4206] Left speaker low volume and absence of lo