Date: Thu, 29 Nov 2012 22:32:52 +0200 From: Alexander Motin <mav@FreeBSD.org> To: vermaden <vermaden@interia.pl> Cc: freebsd-multimedia@freebsd.org Subject: Re: kern/148741: [sound] Headphones are deaf (do not work) on Lenovo ThinkPad X300 Message-ID: <50B7C674.5050305@FreeBSD.org> In-Reply-To: <50B4EE7C.6050900@FreeBSD.org> References: <201211261511.qAQFBYM6080933@freefall.freebsd.org> <zspehrmoaxgctrpfzanz@zwga> <50B45C7F.9080502@rawbw.com> <20121127073752.GF94814@jd.benders.se> <50B4EE7C.6050900@FreeBSD.org>
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On 27.11.2012 18:46, Alexander Motin wrote: > On 27.11.2012 09:37, Joel Dahl wrote: >> On 26-11-2012 22:23, Yuri wrote: >>> On 11/26/2012 21:59, vermaden wrote:mav@FreeBSD.org: >>>>> Synopsis: [sound] Headphones are deaf (do not work) on Lenovo >>>>> ThinkPad X300 >>>>> >>>>> State-Changed-From-To: open->closed >>>>> State-Changed-By: mav >>>>> State-Changed-When: Mon Nov 26 15:09:31 UTC 2012 >>>>> State-Changed-Why: >>>>> Proposed hints looks like overkill, but as far as it works, that is >>>>> OK. >>>>> >>>>> http://www.freebsd.org/cgi/query-pr.cgi?pr=148741 >>>> Closing this PR is OK under one of these conditions: >>>> >>>> - LINK to that X300 specifical configuration/hack PR should be >>>> within FreeBSD Handbook. >>>> - Information for X300 specific configuration should be directly >>>> in the FreeBSD Handbook. >>> >>> Or there should be the quirks-like mechanism in hda driver incorporating >>> these hints on the device by device level. >> >> We had this in the hda driver before mav rewrote it. The rewrite was a >> definite improvement in most cases and it almost always works without >> user >> intervention now, but I still think we need some kind of quirks >> functionality. >> I don't buy the "hardware is obsolete in 6 months" argument. I have >> several >> 3+ years old laptops at home. All working great. Asking users to play >> around >> with device.hints just to get sound working (it's 2012 after all, not >> 1992...) >> isn't all that user-friendly. If someone manages to figure out the >> correct configuration for a specific laptop, we should make sure we >> pick it up >> and include it in the driver. This will save the next user with the same >> hardware at least a few gray hairs... > > I haven't removed support for model-specific hacks, even moved them into > separate file to make easier to handle them. If there is so much > interest to this specific model, I don't mind to add it. But first we > have to clean up the problem. Provided hints look more like inconsistent > combination of hints from different systems. So at first we should find > out which of these lines are really useful and why. Vermaden, could you > do some binary search and upload somewhere verbose dmesg output for > better understanding of the situation. Vermaden, could you please test this patch and send me the new verbose dmesg: http://people.freebsd.org/~mav/X300.patch It was made for 10-CURRENT, but should apply to 8/9-STABLE. -- Alexander Motin
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