From: "joey.jiaojg" <joey.jiaojg@gmail.com>
To: Takashi Iwai <tiwai@suse.de>
Cc: Raymond Yau <superquad.vortex2@gmail.com>,
pshou@realtek.com.tw,
ALSA Development Mailing List <alsa-devel@alsa-project.org>,
kailang@realtek.com.tw
Subject: Re: Bug report - patch_realtek.c - Laptop HP COMPAQ B1900 Series
Date: Wed, 15 Feb 2012 17:45:37 +0800 [thread overview]
Message-ID: <4F3B7EC1.4000503@gmail.com> (raw)
In-Reply-To: <s5h39acwi30.wl%tiwai@suse.de>
I have tried to enable each one of them separately, and the speaker
doesn't work.
I have to use these 3 write_cache to make switch and auto-detect work
smoothly.
On 2012年02月15日 17:40, Takashi Iwai wrote:
> At Wed, 15 Feb 2012 17:31:44 +0800,
> joey.jiaojg wrote:
>> Here is the diff file.
> Thanks.
>
>> +/* toggle speaker-output according to the hp-jack state */
>> +static void alc260_b1900_automute(struct hda_codec *codec)
>> +{
>> + unsigned int present;
>> +
>> + present = snd_hda_jack_detect(codec, 0x0f);
>> + if (present) {
>> + snd_hda_codec_write_cache(codec, 0x01, 0,
>> + AC_VERB_SET_GPIO_MASK, 0);
>> + snd_hda_codec_write_cache(codec, 0x01, 0,
>> + AC_VERB_SET_GPIO_DIRECTION,
>> + 0);
> What actually this GPIO bit does on your device?
> To mute/unmute the speaker?
>
> If so, doesn't the speaker toggle work with just changing the
> pin-control of the corresponding pin?
>
>
> Takashi
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next prev parent reply other threads:[~2012-02-15 9:45 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <4F35C191.9080401@gmail.com>
2012-02-11 2:05 ` Bug report - patch_realtek.c - Laptop HP COMPAQ B1900 Series Jonathan Woithe
2012-02-15 0:50 ` Raymond Yau
[not found] ` <CAKOmCvoS+tgvyPZJey4gfFFq=Uz01pnZY7YvGbxgQPpAzQ7KCA@mail.gmail.com>
2012-02-15 1:29 ` Joey Jiao
2012-02-15 2:49 ` Raymond Yau
[not found] ` <4F3B761D.4060306@gmail.com>
2012-02-15 9:22 ` Takashi Iwai
2012-02-15 9:31 ` joey.jiaojg
2012-02-15 9:40 ` Takashi Iwai
2012-02-15 9:45 ` joey.jiaojg [this message]
2012-02-15 9:58 ` Takashi Iwai
2012-02-15 10:06 ` joey.jiaojg
2012-02-15 10:11 ` Takashi Iwai
2012-02-15 13:14 ` joey.jiaojg
2012-02-15 13:21 ` Takashi Iwai
2012-02-15 14:45 ` joey.jiaojg
2012-02-15 15:04 ` Takashi Iwai
2012-02-16 2:04 ` Joey Jiao
2012-02-16 3:41 ` joey.jiaojg
2012-02-16 9:36 ` Takashi Iwai
2012-02-16 9:35 ` Takashi Iwai
2012-02-16 9:38 ` joey.jiaojg
2012-02-16 9:41 ` Takashi Iwai
2012-02-16 9:42 ` Takashi Iwai
2012-02-16 9:52 ` joey.jiaojg
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