From: Andreas Mohr <andi@lisas.de> To: Takashi Iwai <tiwai@suse.de> Cc: Andreas Mohr <andi@lisas.de>, Maxim Levitsky <maximlevitsky@gmail.com>, linux-kernel@vger.kernel.org, alsa-devel@alsa-project.org, Kernel Testers List <kernel-testers@vger.kernel.org> Subject: Re: [alsa-devel] Bugs on aspire one A150 Date: Mon, 16 Mar 2009 22:22:27 +0100 [thread overview] Message-ID: <20090316212227.GA29471@rhlx01.hs-esslingen.de> (raw) In-Reply-To: <s5htz5tyzyg.wl%tiwai@suse.de> Hi, On Mon, Mar 16, 2009 at 09:28:39PM +0100, Takashi Iwai wrote: > At Mon, 16 Mar 2009 19:06:38 +0100, > Andreas Mohr wrote: > > I just tried connecting a headset and switching to E-Mic. > > What I can say is: > > - opposite levels does NOT happen there (E-Mic is "analog micro"-based, right?) > > - leaving E-Mic unplugged will actually record from i-Mic (due to properly > > working EAPD mechanism, right?) > > The record from mic-jack is via analog path. The phase-inversion > appears only for digital-mic, AFAIK. Thought so. > > One question still: is this a hardware defect (i.e. could this possibly > > be swapped cables of the microphone connector in this model or so? > > Not plausible but...), or is this an existing property > > of the HDA's dig-mic base? You indicated it's the latter I think... > > My guess is that it's a hardware implementation. > Maybe for the noise suppression via mic array. Not sure what this means. > The question is whether the left / right channels recorded from > digital mic are really raw data, or they are for modified data > (for differential, etc)... It's hard to guess without the actual > data. I don't quite follow you here. Is there anything I could do about this? Thanks, Andreas
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From: Andreas Mohr <andi@lisas.de> To: Takashi Iwai <tiwai@suse.de> Cc: alsa-devel@alsa-project.org, Kernel Testers List <kernel-testers@vger.kernel.org>, Maxim Levitsky <maximlevitsky@gmail.com>, Andreas Mohr <andi@lisas.de>, linux-kernel@vger.kernel.org Subject: Re: Bugs on aspire one A150 Date: Mon, 16 Mar 2009 22:22:27 +0100 [thread overview] Message-ID: <20090316212227.GA29471@rhlx01.hs-esslingen.de> (raw) In-Reply-To: <s5htz5tyzyg.wl%tiwai@suse.de> Hi, On Mon, Mar 16, 2009 at 09:28:39PM +0100, Takashi Iwai wrote: > At Mon, 16 Mar 2009 19:06:38 +0100, > Andreas Mohr wrote: > > I just tried connecting a headset and switching to E-Mic. > > What I can say is: > > - opposite levels does NOT happen there (E-Mic is "analog micro"-based, right?) > > - leaving E-Mic unplugged will actually record from i-Mic (due to properly > > working EAPD mechanism, right?) > > The record from mic-jack is via analog path. The phase-inversion > appears only for digital-mic, AFAIK. Thought so. > > One question still: is this a hardware defect (i.e. could this possibly > > be swapped cables of the microphone connector in this model or so? > > Not plausible but...), or is this an existing property > > of the HDA's dig-mic base? You indicated it's the latter I think... > > My guess is that it's a hardware implementation. > Maybe for the noise suppression via mic array. Not sure what this means. > The question is whether the left / right channels recorded from > digital mic are really raw data, or they are for modified data > (for differential, etc)... It's hard to guess without the actual > data. I don't quite follow you here. Is there anything I could do about this? Thanks, Andreas
next prev parent reply other threads:[~2009-03-16 21:22 UTC|newest] Thread overview: 184+ messages / expand[flat|nested] mbox.gz Atom feed top 2008-11-08 3:26 Bugs on aspire one A150 Maxim Levitsky 2008-11-08 3:26 ` Maxim Levitsky 2008-11-08 11:57 ` Alan Jenkins 2008-11-08 11:57 ` Alan Jenkins 2008-11-09 0:52 ` Maxim Levitsky 2008-11-09 0:52 ` Maxim Levitsky 2008-11-09 0:52 ` Maxim Levitsky 2008-11-09 8:54 ` [alsa-devel] " Takashi Iwai 2008-11-09 8:54 ` Takashi Iwai 2008-11-09 13:31 ` Andreas Mohr 2008-11-09 13:31 ` Andreas Mohr 2008-11-09 15:13 ` [alsa-devel] " Andreas Mohr 2008-11-09 15:13 ` Andreas Mohr 2008-11-09 18:58 ` [alsa-devel] " Takashi Iwai 2008-11-09 18:58 ` Takashi Iwai 2008-11-09 20:09 ` Andreas Mohr 2008-11-09 20:09 ` Andreas Mohr 2008-11-12 11:08 ` [alsa-devel] " Takashi Iwai 2008-11-12 11:08 ` Takashi Iwai 2008-11-12 17:07 ` Maxim Levitsky 2008-11-12 17:07 ` Maxim Levitsky 2008-11-12 18:05 ` [alsa-devel] " Andreas Mohr 2008-11-12 18:05 ` Andreas Mohr 2008-11-14 18:05 ` Maxim Levitsky 2008-11-14 18:05 ` Maxim Levitsky 2008-11-22 19:00 ` Maxim Levitsky 2008-11-22 19:00 ` Maxim Levitsky 2008-11-22 19:43 ` Andreas Mohr 2008-11-22 19:43 ` Andreas Mohr 2008-11-24 14:35 ` [alsa-devel] " Takashi Iwai 2008-11-24 14:35 ` Takashi Iwai 2009-03-15 9:21 ` Andreas Mohr 2009-03-15 9:21 ` Andreas Mohr 2009-03-16 12:03 ` [alsa-devel] " Andreas Mohr 2009-03-16 12:03 ` Andreas Mohr 2009-03-16 12:09 ` [alsa-devel] " Takashi Iwai 2009-03-16 12:09 ` Takashi Iwai 2009-03-16 13:30 ` Andreas Mohr 2009-03-16 13:30 ` Andreas Mohr 2009-03-16 14:18 ` [alsa-devel] " Takashi Iwai 2009-03-16 14:18 ` Takashi Iwai 2009-03-16 14:31 ` Andreas Mohr 2009-03-16 14:31 ` Andreas Mohr 2009-03-16 14:42 ` [alsa-devel] " Takashi Iwai 2009-03-16 14:42 ` Takashi Iwai 2009-03-16 14:50 ` [alsa-devel] " Andreas Mohr 2009-03-16 14:50 ` Andreas Mohr 2009-03-16 15:34 ` [alsa-devel] " Takashi Iwai 2009-03-16 15:34 ` Takashi Iwai 2009-03-16 16:02 ` Andreas Mohr 2009-03-16 16:02 ` Andreas Mohr 2009-03-16 16:06 ` [alsa-devel] " Takashi Iwai 2009-03-16 16:06 ` Takashi Iwai 2009-03-16 16:19 ` [alsa-devel] " Takashi Iwai 2009-03-16 16:19 ` Takashi Iwai 2009-03-16 17:00 ` Andreas Mohr 2009-03-16 17:00 ` Andreas Mohr 2009-03-16 17:15 ` [alsa-devel] " Takashi Iwai 2009-03-16 17:15 ` Takashi Iwai 2009-03-16 17:30 ` [alsa-devel] " Andreas Mohr 2009-03-16 17:30 ` Andreas Mohr 2009-03-16 17:34 ` Takashi Iwai 2009-03-16 17:34 ` Takashi Iwai 2009-03-16 18:06 ` Andreas Mohr 2009-03-16 18:06 ` Andreas Mohr 2009-03-16 20:28 ` [alsa-devel] " Takashi Iwai 2009-03-16 20:28 ` Takashi Iwai 2009-03-16 21:22 ` Andreas Mohr [this message] 2009-03-16 21:22 ` Andreas Mohr 2009-03-17 0:52 ` [alsa-devel] " Maxim Levitsky 2009-03-17 0:52 ` Maxim Levitsky 2009-03-17 7:57 ` Takashi Iwai 2009-03-17 7:57 ` Takashi Iwai 2009-03-17 11:30 ` [alsa-devel] " Maxim Levitsky 2009-03-17 11:30 ` Maxim Levitsky 2009-03-17 12:52 ` Takashi Iwai 2009-03-17 12:52 ` Takashi Iwai 2009-03-17 7:57 ` [alsa-devel] " Takashi Iwai 2009-03-17 7:57 ` Takashi Iwai 2009-03-17 10:05 ` [alsa-devel] " Andreas Mohr 2009-03-17 10:05 ` Andreas Mohr 2009-03-17 10:38 ` Andreas Mohr 2009-03-17 10:38 ` Andreas Mohr 2009-03-17 10:47 ` [alsa-devel] " Andreas Mohr 2009-03-17 10:47 ` Andreas Mohr 2009-03-17 11:25 ` Takashi Iwai 2009-03-17 11:25 ` Takashi Iwai 2009-03-17 16:18 ` [alsa-devel] " Andreas Mohr 2009-03-17 16:18 ` Andreas Mohr 2009-03-17 20:32 ` Takashi Iwai 2009-03-17 20:32 ` Takashi Iwai 2009-03-18 9:05 ` [alsa-devel] " Andreas Mohr 2009-03-18 9:05 ` Andreas Mohr 2009-03-18 9:19 ` [alsa-devel] " Takashi Iwai 2009-03-18 9:19 ` Takashi Iwai 2009-03-20 18:56 ` [alsa-devel] " Andreas Mohr 2009-03-20 18:56 ` Andreas Mohr 2009-03-20 20:33 ` [alsa-devel] " Takashi Iwai 2009-03-20 20:33 ` Takashi Iwai 2009-03-22 12:55 ` [alsa-devel] " Andreas Mohr 2009-03-22 12:55 ` Andreas Mohr 2009-03-23 6:51 ` Takashi Iwai 2009-03-23 6:51 ` Takashi Iwai 2008-11-12 17:20 ` Maxim Levitsky 2008-11-12 17:20 ` Maxim Levitsky 2008-11-12 18:53 ` HDA-emu 0.0.1 (Re: [alsa-devel] Bugs on aspire one A150) Takashi Iwai 2008-11-12 18:53 ` Takashi Iwai 2008-11-09 10:43 ` Bugs on aspire one A150 Alan Jenkins [not found] ` <49163435.20301-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2008-11-09 10:43 ` Alan Jenkins 2008-11-09 10:43 ` Alan Jenkins 2008-11-12 17:48 ` Maxim Levitsky 2008-11-12 17:48 ` Maxim Levitsky 2008-11-14 19:06 ` Maxim Levitsky 2008-11-14 19:06 ` Maxim Levitsky 2008-11-14 19:06 ` Maxim Levitsky [not found] ` <491DCC21.6060705-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org> 2008-11-14 19:59 ` Alan Jenkins 2008-11-14 19:59 ` Alan Jenkins [not found] ` <61b223ba0811141159k179558d0i60cebf373baa9fb8-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org> 2008-11-15 12:52 ` Maxim Levitsky 2008-11-15 12:52 ` Maxim Levitsky 2008-11-15 12:55 ` Matthew Garrett 2008-11-08 11:57 ` Alan Jenkins 2008-11-10 16:51 ` Bob Copeland 2008-11-10 16:51 ` Bob Copeland 2008-11-10 16:51 ` Bob Copeland 2008-11-10 21:33 ` Maxim Levitsky 2008-11-10 21:33 ` Maxim Levitsky 2008-11-10 21:33 ` Maxim Levitsky 2008-11-10 22:12 ` [ath5k-devel] " Nick Kossifidis 2008-11-10 22:12 ` Nick Kossifidis 2008-11-12 17:51 ` [ath5k-devel] " Maxim Levitsky 2008-11-13 14:58 ` Bob Copeland 2008-11-14 3:47 ` Bob Copeland 2008-11-14 18:57 ` Maxim Levitsky 2008-11-17 17:28 ` Bob Copeland 2008-11-17 18:55 ` Maxim Levitsky 2008-12-01 15:33 ` Maxim Levitsky 2008-12-01 15:33 ` Maxim Levitsky 2008-12-01 15:33 ` Maxim Levitsky 2008-12-13 13:28 ` Maxim Levitsky 2008-12-13 13:28 ` Maxim Levitsky 2008-12-13 14:08 ` Nick Kossifidis 2008-12-13 14:08 ` Nick Kossifidis 2008-12-13 14:36 ` Maxim Levitsky 2008-12-13 14:36 ` Maxim Levitsky 2008-12-13 14:38 ` Maxim Levitsky 2008-12-13 14:38 ` Maxim Levitsky 2008-12-13 14:38 ` Maxim Levitsky 2008-12-13 14:36 ` Maxim Levitsky 2008-12-13 14:08 ` Nick Kossifidis 2008-12-13 14:24 ` Bob Copeland 2008-12-13 14:31 ` Maxim Levitsky 2008-12-30 4:26 ` Bob Copeland 2008-12-30 12:43 ` Maxim Levitsky 2008-12-31 9:18 ` Andreas Mohr 2008-12-31 13:59 ` Andreas Mohr 2008-12-31 14:06 ` Bob Copeland 2008-12-31 14:03 ` Bob Copeland 2008-12-31 16:51 ` Maxim Levitsky 2009-01-01 13:41 ` Andreas Mohr 2009-01-01 14:15 ` Maxim Levitsky 2009-01-01 20:27 ` Andreas Mohr 2009-01-01 15:09 ` Bob Copeland 2008-12-13 13:28 ` Maxim Levitsky 2008-11-10 22:12 ` Nick Kossifidis 2008-12-13 13:15 ` Maxim Levitsky 2008-12-13 13:15 ` Maxim Levitsky 2008-12-13 13:35 ` Rafael J. Wysocki 2008-12-13 13:35 ` Rafael J. Wysocki 2008-12-13 14:21 ` Maxim Levitsky 2008-12-13 14:21 ` Maxim Levitsky 2008-12-13 17:42 ` Rafael J. Wysocki 2008-12-13 17:42 ` Rafael J. Wysocki 2008-12-13 17:42 ` Rafael J. Wysocki 2008-12-13 18:04 ` Maxim Levitsky 2008-12-13 18:04 ` Maxim Levitsky 2008-12-13 18:04 ` Maxim Levitsky 2008-12-13 14:21 ` Maxim Levitsky 2008-12-13 13:35 ` Rafael J. Wysocki 2008-12-14 22:29 ` J.A. Magallón 2008-12-14 22:57 ` J.A. Magallón 2008-12-14 23:18 ` Maxim Levitsky 2008-12-14 23:24 ` J.A. Magallón 2008-12-14 23:35 ` J.A. Magallón 2008-12-13 13:15 ` Maxim Levitsky
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