From mboxrd@z Thu Jan 1 00:00:00 1970 From: balbi@ti.com (Felipe Balbi) Date: Tue, 6 Jan 2015 17:29:27 -0600 Subject: 3.19 on Nokia n900: audio quality awful In-Reply-To: <20150106231341.GA18468@amd> References: <20150106175115.GA19487@amd> <20150106202857.GB32308@saruman> <20150106205000.GB13902@amd> <20150106205730.GA6071@fuloong-minipc.musicnaut.iki.fi> <20150106220805.GD13902@amd> <20150106222717.GC6071@fuloong-minipc.musicnaut.iki.fi> <20150106224622.GA13752@saruman> <20150106225614.GA31990@amd> <20150106230415.GC13752@saruman> <20150106231341.GA18468@amd> Message-ID: <20150106232927.GA18073@saruman> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Wed, Jan 07, 2015 at 12:13:41AM +0100, Pavel Machek wrote: > On Tue 2015-01-06 17:04:15, Felipe Balbi wrote: > > 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. > > Actually, it should be enough to kill a line from dts somewhere, no > need to hack hardware for this. right > > Also, if why doesn't rootwait work ? You never have a new mmc node or is > > the mmc node changing names ? > > IIRC node and name are ok, but the mount just fails. As I don't have really weird. Specially since it works when you mount afterwards. > "development jig", I lack serial console and this kind of debugging is > not easy. see if this helps: https://wiki.maemo.org/N900_Hardware_Hacking#Debug_ports -- balbi -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 819 bytes Desc: Digital signature URL: