From: Felipe Balbi <balbi@ti.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Felipe Balbi <balbi@ti.com>, Aaro Koskinen <aaro.koskinen@iki.fi>,
pali.rohar@gmail.com, sre@debian.org, sre@ring0.de,
kernel list <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
linux-omap@vger.kernel.org, tony@atomide.com, khilman@kernel.org,
ivo.g.dimitrov.75@gmail.com
Subject: Re: 3.19 on Nokia n900: audio quality awful
Date: Tue, 6 Jan 2015 17:04:15 -0600 [thread overview]
Message-ID: <20150106230415.GC13752@saruman> (raw)
In-Reply-To: <20150106225614.GA31990@amd>
[-- Attachment #1: Type: text/plain, Size: 760 bytes --]
Hi,
On Tue, Jan 06, 2015 at 11:56:14PM +0100, Pavel Machek wrote:
> > > But I'm mounting it from userspace (using builtin initramfs inside
> > > zImage), with a poll loop that waits for a device to appear. Maybe if you
> > > do it from kernel you need to use root wait/delay etc. options?
> >
> > yeah, rootwait should do it.
>
> No, rootwait does not solve it. Try it. Tested many times. (And yes,
> you need to actually fool the rear cover sensor or close the phone.)
yeah, just put a magnet or, if you have spare back covers, cut one so
that you "close" it, but still allow you to put the thing on a
development jig.
Also, if why doesn't rootwait work ? You never have a new mmc node or is
the mmc node changing names ?
--
balbi
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WARNING: multiple messages have this Message-ID (diff)
From: balbi@ti.com (Felipe Balbi)
To: linux-arm-kernel@lists.infradead.org
Subject: 3.19 on Nokia n900: audio quality awful
Date: Tue, 6 Jan 2015 17:04:15 -0600 [thread overview]
Message-ID: <20150106230415.GC13752@saruman> (raw)
In-Reply-To: <20150106225614.GA31990@amd>
Hi,
On Tue, Jan 06, 2015 at 11:56:14PM +0100, Pavel Machek wrote:
> > > But I'm mounting it from userspace (using builtin initramfs inside
> > > zImage), with a poll loop that waits for a device to appear. Maybe if you
> > > do it from kernel you need to use root wait/delay etc. options?
> >
> > yeah, rootwait should do it.
>
> No, rootwait does not solve it. Try it. Tested many times. (And yes,
> you need to actually fool the rear cover sensor or close the phone.)
yeah, just put a magnet or, if you have spare back covers, cut one so
that you "close" it, but still allow you to put the thing on a
development jig.
Also, if why doesn't rootwait work ? You never have a new mmc node or is
the mmc node changing names ?
--
balbi
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From: Felipe Balbi <balbi@ti.com>
To: Pavel Machek <pavel@ucw.cz>
Cc: Felipe Balbi <balbi@ti.com>, Aaro Koskinen <aaro.koskinen@iki.fi>,
<pali.rohar@gmail.com>, <sre@debian.org>, <sre@ring0.de>,
kernel list <linux-kernel@vger.kernel.org>,
linux-arm-kernel <linux-arm-kernel@lists.infradead.org>,
<linux-omap@vger.kernel.org>, <tony@atomide.com>,
<khilman@kernel.org>, <ivo.g.dimitrov.75@gmail.com>
Subject: Re: 3.19 on Nokia n900: audio quality awful
Date: Tue, 6 Jan 2015 17:04:15 -0600 [thread overview]
Message-ID: <20150106230415.GC13752@saruman> (raw)
In-Reply-To: <20150106225614.GA31990@amd>
[-- Attachment #1: Type: text/plain, Size: 760 bytes --]
Hi,
On Tue, Jan 06, 2015 at 11:56:14PM +0100, Pavel Machek wrote:
> > > But I'm mounting it from userspace (using builtin initramfs inside
> > > zImage), with a poll loop that waits for a device to appear. Maybe if you
> > > do it from kernel you need to use root wait/delay etc. options?
> >
> > yeah, rootwait should do it.
>
> No, rootwait does not solve it. Try it. Tested many times. (And yes,
> you need to actually fool the rear cover sensor or close the phone.)
yeah, just put a magnet or, if you have spare back covers, cut one so
that you "close" it, but still allow you to put the thing on a
development jig.
Also, if why doesn't rootwait work ? You never have a new mmc node or is
the mmc node changing names ?
--
balbi
[-- Attachment #2: Digital signature --]
[-- Type: application/pgp-signature, Size: 819 bytes --]
next prev parent reply other threads:[~2015-01-06 23:05 UTC|newest]
Thread overview: 81+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-06 17:04 3.19 on Nokia n900: audio quality awful Pavel Machek
2015-01-06 17:04 ` Pavel Machek
2015-01-06 17:25 ` Felipe Balbi
2015-01-06 17:25 ` Felipe Balbi
2015-01-06 17:25 ` Felipe Balbi
2015-01-06 17:51 ` Pavel Machek
2015-01-06 17:51 ` Pavel Machek
2015-01-06 20:28 ` Felipe Balbi
2015-01-06 20:28 ` Felipe Balbi
2015-01-06 20:28 ` Felipe Balbi
2015-01-06 20:50 ` Pavel Machek
2015-01-06 20:50 ` Pavel Machek
2015-01-06 20:54 ` Felipe Balbi
2015-01-06 20:54 ` Felipe Balbi
2015-01-06 20:54 ` Felipe Balbi
2015-01-06 21:57 ` Pavel Machek
2015-01-06 21:57 ` Pavel Machek
2015-01-06 22:02 ` Felipe Balbi
2015-01-06 22:02 ` Felipe Balbi
2015-01-06 22:02 ` Felipe Balbi
2015-01-06 20:57 ` Aaro Koskinen
2015-01-06 20:57 ` Aaro Koskinen
2015-01-06 22:08 ` Pavel Machek
2015-01-06 22:08 ` Pavel Machek
2015-01-06 22:27 ` Aaro Koskinen
2015-01-06 22:27 ` Aaro Koskinen
2015-01-06 22:46 ` Felipe Balbi
2015-01-06 22:46 ` Felipe Balbi
2015-01-06 22:46 ` Felipe Balbi
2015-01-06 22:52 ` Tony Lindgren
2015-01-06 22:52 ` Tony Lindgren
2015-01-06 22:56 ` Pavel Machek
2015-01-06 22:56 ` Pavel Machek
2015-01-06 23:04 ` Felipe Balbi [this message]
2015-01-06 23:04 ` Felipe Balbi
2015-01-06 23:04 ` Felipe Balbi
2015-01-06 23:13 ` Pavel Machek
2015-01-06 23:13 ` Pavel Machek
2015-01-06 23:29 ` Felipe Balbi
2015-01-06 23:29 ` Felipe Balbi
2015-01-06 23:29 ` Felipe Balbi
2015-01-06 22:58 ` Pavel Machek
2015-01-06 22:58 ` Pavel Machek
2015-01-07 19:43 ` Aaro Koskinen
2015-01-07 19:43 ` Aaro Koskinen
2015-01-06 20:39 ` Aaro Koskinen
2015-01-06 20:39 ` Aaro Koskinen
2015-01-18 12:01 ` Pavel Machek
2015-01-18 12:01 ` Pavel Machek
2015-01-26 13:20 ` Peter Ujfalusi
2015-01-26 13:20 ` Peter Ujfalusi
2015-01-26 13:20 ` Peter Ujfalusi
2015-01-28 18:15 ` Jarkko Nikula
2015-01-28 18:15 ` Jarkko Nikula
2015-01-28 22:41 ` Pavel Machek
2015-01-28 22:41 ` Pavel Machek
2015-01-28 22:41 ` Pavel Machek
2015-01-29 7:35 ` Jarkko Nikula
2015-01-29 7:35 ` Jarkko Nikula
2015-01-29 11:19 ` Peter Ujfalusi
2015-01-29 11:19 ` Peter Ujfalusi
2015-01-29 11:19 ` Peter Ujfalusi
2015-01-29 20:42 ` Pavel Machek
2015-01-29 20:42 ` Pavel Machek
2015-01-30 8:16 ` Pali Rohár
2015-01-30 8:16 ` Pali Rohár
2015-01-30 8:52 ` Pavel Machek
2015-01-30 8:52 ` Pavel Machek
2015-01-30 10:26 ` Pavel Machek
2015-01-30 10:26 ` Pavel Machek
2015-01-30 10:37 ` Pavel Machek
2015-01-30 10:37 ` Pavel Machek
2015-01-30 12:40 ` Peter Ujfalusi
2015-01-30 12:40 ` Peter Ujfalusi
2015-01-30 12:40 ` Peter Ujfalusi
2015-01-30 12:43 ` Peter Ujfalusi
2015-01-30 12:43 ` Peter Ujfalusi
2015-01-30 12:43 ` Peter Ujfalusi
2015-01-28 22:02 ` Pavel Machek
2015-01-28 22:02 ` Pavel Machek
2015-01-28 22:02 ` Pavel Machek
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