[alsa-devel] Bug report - patch_realtek.c - Laptop HP COMPAQ B1900 Series

[Joey Jiao]

Btw, for the code modification, I modified model will in
patch_realtek.c which works same as the hda-verb command.
From:
static const struct hda_verb alc260_will_verbs[] = {
        {0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
        {0x0b, AC_VERB_SET_CONNECT_SEL, 0x00},
        {0x0d, AC_VERB_SET_CONNECT_SEL, 0x00},
        {0x0f, AC_VERB_SET_EAPD_BTLENABLE, 0x02},
        {0x1a, AC_VERB_SET_COEF_INDEX, 0x07},
        {0x1a, AC_VERB_SET_PROC_COEF, 0x3040},
        {}
};
To:
static const struct hda_verb alc260_will_verbs[] = {
        {0x0f, AC_VERB_SET_PIN_WIDGET_CONTROL, PIN_HP},
        {0x0b, AC_VERB_SET_CONNECT_SEL, 0x00},
        {0x0d, AC_VERB_SET_CONNECT_SEL, 0x00},
        {0x0f, AC_VERB_SET_EAPD_BTLENABLE, 0x02},
        {0x1a, AC_VERB_SET_COEF_INDEX, 0x07},
        {0x1a, AC_VERB_SET_PROC_COEF, 0x3040},
        {0x01, AC_VERB_SET_GPIO_MASK, 0x01},
        {0x01, AC_VERB_SET_GPIO_DIRECTION, 0x01},
        {}
};


在 2012年2月15日 上午9:18，Joey Jiao <joey.jiaojg at gmail.com> 写道：
> Hi all,
> I solved the speaker problem of B1900, and I have you can fix the
> driver in next alsa release.
> I use hda-verb tool to enable sound from speaker.
> Commands as below:
> sudo hda-verb /dev/snd/hwC0D0 0x01 0x716 0x01
> sudo hda-verb /dev/snd/hwC0D0 0x01 0x717 0x01
>
> Perhaps you need to add a new model besides will. Meanwhile, auto
> detect of headphone inserting is not function, so speaker and
> headphone don't switch automatically.
>
>
> 在 2012年2月15日 上午8:50，Raymond Yau <superquad.vortex2 at gmail.com> 写道：
>> 2012/2/11, Jonathan Woithe <jwoithe at just42.net>:
>>> Hi Joey
>>>
>>> For future reference, please email reports like this to the alsa-devel list.
>>> The relevant developers are far more likely to respond to messages on the
>>> list than they are to messages sent privately.
>>>
>>> I have copied this to the list to maximise its distribution.
>>>
>>> On Sat, Feb 11, 2012 at 09:17:05AM +0800, joey.jiaojg wrote:
>>>> I'm reporting a bug related to ALSA and ALC260, which perhaps only
>>>> you can solve. Appreciate if you can check.
>>>> We got a lot of users using HP COMPAQ B1900 series which using ATI
>>>> SB450 and ALC260 for linux systems like Debian, Ubuntu and etc. The
>>>> problem is that there is no sound from speaker while enable
>>>> model=will can hear from earphone. The problem and alsa-info.txt is
>>>> reported here
>>>> https://answers.launchpad.net/ubuntu/+source/alsa-driver/+question/186698,
>>>> which thought be a bug of ALC260 driver bug.
>>>> Hope you can check what we can do to solve it.
>>>
>>> From the above I am not entirely sure what the problem is.  You seem to be
>>> talking about two separate conditions.  In the first (where I presume the
>>> module is loaded without any parameters you say there's no sound from the
>>> speaker.  Do other aspects of the card work correctly in this case?
>>>
>>> The second situation is where "model=will" is specified as a module
>>> parameter.  Here you say you can get audio from the headphone, but again
>>> what about other aspects of the soundcard - do they work normally?
>>>
>>> At a rough guess, it sounds like there are two underlying issues.  The first
>>> is that this system requires some model-specific handing in order to map
>>> chip outputs correctly.  The second is that if such model-specific details
>>> are required then the driver preferrably would activate these automatically
>>> without the need to specify "model=will".
>>>
>>> Another possibility is that there is something about this laptop system
>>> which is confusing the auto-probing of the alc260 codec code.
>>>
>>> I'm not sure what is the best way of proceeding here.  I suspect other more
>>> active developers will have a streamlined approach to help rectify the
>>> trouble.  In the first instance I would tend to load the module with
>>> "model=test" and experiment with the resulting alsamixer controls to
>>> determine what chip outputs are connected to which pins.  However, this is
>>> quite "old school" now - while it's the approach I used when getting my
>>> system working, my impression is that its use has been mostly deprecated by
>>> the automatic parser which is now present.
>>>
>>> In the above-referenced launchpad report the question is asked about the
>>> ALC260 datasheet.  This is readily available on the net.  I doubt it is all
>>> that necessary now since I think the base infrastructure is pretty solid,
>>> but if you do need it and have difficulty finding it please contact me
>>> off-list.
>>>
>>
>> The auto-parser require correct pin default
>>
>> Refer to alc260 General Description
>>
>> Realtek's proprietary impedance sensing and jack detect techniques
>> allow device loads on inputs and outputs to be auto-detected. All
>> analog IOs are input and output capable. Headphone amplifiers are also
>> integrated at each analog output. All analog IOs can be re-tasked
>> according to user's definitions, or automatically switched to suit the
>> connecting device (Universal Audio Jack®).
>>
>> Reserve analog mixer architecture is backwards compatible with AC'97
>
>
>
> --
> -Joey Jiao



-- 
-Joey Jiao