January 2014 - Alsa-devel - mailman.alsa-project.org

[alsa-devel] [PATCH v2 5/8] ASoC: simple-card: simplify code
by Jean-Francois Moine 22 Jan '14

22 Jan '14

The CPU and CODEC DAI names are still copied to the user info structure. Put them directly in the DAI links. Signed-off-by: Jean-Francois Moine <moinejf(a)free.fr> --- sound/soc/generic/simple-card.c | 28 ++++++++++++---------- 1 file changed, 16 insertions(+), 12 deletions(-) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 797696f..9068ab4 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -60,7 +60,8 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) static int asoc_simple_card_sub_parse_of(struct device_node *np, struct asoc_simple_dai *dai, - const struct device_node **p_node) + const struct device_node **p_node, + const char **name) { struct device_node *node; struct clk *clk; @@ -76,7 +77,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np, *p_node = node; /* get dai->name */ - ret = snd_soc_of_get_dai_name(np, &dai->name); + ret = snd_soc_of_get_dai_name(np, name); if (ret < 0) goto parse_error; @@ -146,7 +147,8 @@ static int asoc_simple_card_parse_of(struct device_node *node, if (np) ret = asoc_simple_card_sub_parse_of(np, &info->cpu_dai, - &dai_link->cpu_of_node); + &dai_link->cpu_of_node, + &dai_link->cpu_dai_name); if (ret < 0) return ret; @@ -156,19 +158,21 @@ static int asoc_simple_card_parse_of(struct device_node *node, if (np) ret = asoc_simple_card_sub_parse_of(np, &info->codec_dai, - &dai_link->codec_of_node); + &dai_link->codec_of_node, + &dai_link->codec_dai_name); if (ret < 0) return ret; - if (!info->cpu_dai.name || !info->codec_dai.name) + if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) return -EINVAL; /* card name is created from CPU/CODEC dai name */ name = devm_kzalloc(dev, - strlen(info->cpu_dai.name) + - strlen(info->codec_dai.name) + 2, + strlen(dai_link->cpu_dai_name) + + strlen(dai_link->codec_dai_name) + 2, GFP_KERNEL); - sprintf(name, "%s-%s", info->cpu_dai.name, info->codec_dai.name); + sprintf(name, "%s-%s", dai_link->cpu_dai_name, + dai_link->codec_dai_name); info->snd_card.name = name; dai_link->name = dai_link->stream_name = name; @@ -178,11 +182,11 @@ static int asoc_simple_card_parse_of(struct device_node *node, dev_dbg(dev, "card-name : %s\n", name); dev_dbg(dev, "platform : %04x\n", info->daifmt); dev_dbg(dev, "cpu : %s / %04x / %d\n", - info->cpu_dai.name, + dai_link->cpu_dai_name, info->cpu_dai.fmt, info->cpu_dai.sysclk); dev_dbg(dev, "codec : %s / %04x / %d\n", - info->codec_dai.name, + dai_link->codec_dai_name, info->codec_dai.fmt, info->codec_dai.sysclk); @@ -240,13 +244,13 @@ static int asoc_simple_card_probe(struct platform_device *pdev) dai_link->stream_name = cinfo->name; dai_link->platform_name = cinfo->platform; dai_link->codec_name = cinfo->codec; + dai_link->cpu_dai_name = cinfo->cpu_dai.name; + dai_link->codec_dai_name = cinfo->codec_dai.name; } /* * init snd_soc_dai_link */ - dai_link->cpu_dai_name = cinfo->cpu_dai.name; - dai_link->codec_dai_name = cinfo->codec_dai.name; dai_link->init = asoc_simple_card_dai_init; snd_soc_card_set_drvdata(&cinfo->snd_card, cinfo); -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/

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[alsa-devel] [PATCH v2 4/8] ASoC: simple-card: simplify code
by Jean-Francois Moine 22 Jan '14

22 Jan '14

Have a cleaner code using a DAI link pointer. Signed-off-by: Jean-Francois Moine <moinejf(a)free.fr> --- sound/soc/generic/simple-card.c | 29 ++++++++++++---------- 1 file changed, 16 insertions(+), 13 deletions(-) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 89f83b3..797696f 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -123,6 +123,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, struct asoc_simple_card_info *info, struct device *dev) { + struct snd_soc_dai_link *dai_link = info->snd_card.dai_link; struct device_node *np; char *name; int ret; @@ -145,7 +146,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, if (np) ret = asoc_simple_card_sub_parse_of(np, &info->cpu_dai, - &info->snd_link.cpu_of_node); + &dai_link->cpu_of_node); if (ret < 0) return ret; @@ -155,7 +156,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, if (np) ret = asoc_simple_card_sub_parse_of(np, &info->codec_dai, - &info->snd_link.codec_of_node); + &dai_link->codec_of_node); if (ret < 0) return ret; @@ -169,10 +170,10 @@ static int asoc_simple_card_parse_of(struct device_node *node, GFP_KERNEL); sprintf(name, "%s-%s", info->cpu_dai.name, info->codec_dai.name); info->snd_card.name = name; - info->snd_link.name = info->snd_link.stream_name = name; + dai_link->name = dai_link->stream_name = name; /* simple-card assumes platform == cpu */ - info->snd_link.platform_of_node = info->snd_link.cpu_of_node; + dai_link->platform_of_node = dai_link->cpu_of_node; dev_dbg(dev, "card-name : %s\n", name); dev_dbg(dev, "platform : %04x\n", info->daifmt); @@ -191,6 +192,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, static int asoc_simple_card_probe(struct platform_device *pdev) { struct asoc_simple_card_info *cinfo; + struct snd_soc_dai_link *dai_link; struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; int ret; @@ -204,8 +206,9 @@ static int asoc_simple_card_probe(struct platform_device *pdev) */ cinfo->snd_card.owner = THIS_MODULE; cinfo->snd_card.dev = dev; - cinfo->snd_card.dai_link = &cinfo->snd_link; - cinfo->snd_card.num_links = 1; + dai_link = &cinfo->snd_link; + cinfo->snd_card.dai_link = dai_link; + cinfo->snd_card.num_links = 1; if (np && of_device_is_available(np)) { @@ -233,18 +236,18 @@ static int asoc_simple_card_probe(struct platform_device *pdev) } cinfo->snd_card.name = cinfo->card; - cinfo->snd_link.name = cinfo->name; - cinfo->snd_link.stream_name = cinfo->name; - cinfo->snd_link.platform_name = cinfo->platform; - cinfo->snd_link.codec_name = cinfo->codec; + dai_link->name = cinfo->name; + dai_link->stream_name = cinfo->name; + dai_link->platform_name = cinfo->platform; + dai_link->codec_name = cinfo->codec; } /* * init snd_soc_dai_link */ - cinfo->snd_link.cpu_dai_name = cinfo->cpu_dai.name; - cinfo->snd_link.codec_dai_name = cinfo->codec_dai.name; - cinfo->snd_link.init = asoc_simple_card_dai_init; + dai_link->cpu_dai_name = cinfo->cpu_dai.name; + dai_link->codec_dai_name = cinfo->codec_dai.name; + dai_link->init = asoc_simple_card_dai_init; snd_soc_card_set_drvdata(&cinfo->snd_card, cinfo); -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/

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[alsa-devel] [PATCH v2 3/8] ASoC: simple-card: simplify code
by Jean-Francois Moine 22 Jan '14

22 Jan '14

The OF pointers are put in the stack and then copied to the card descriptor. Put them directly at their right place. Signed-off-by: Jean-Francois Moine <moinejf(a)free.fr> --- sound/soc/generic/simple-card.c | 55 ++++++++-------------- 1 file changed, 20 insertions(+), 35 deletions(-) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 7c5dc73..89f83b3 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -60,8 +60,9 @@ static int asoc_simple_card_dai_init(struct snd_soc_pcm_runtime *rtd) static int asoc_simple_card_sub_parse_of(struct device_node *np, struct asoc_simple_dai *dai, - struct device_node **node) + const struct device_node **p_node) { + struct device_node *node; struct clk *clk; int ret; @@ -69,9 +70,10 @@ asoc_simple_card_sub_parse_of(struct device_node *np, * get node via "sound-dai = <&phandle port>" * it will be used as xxx_of_node on soc_bind_dai_link() */ - *node = of_parse_phandle(np, "sound-dai", 0); - if (!*node) + node = of_parse_phandle(np, "sound-dai", 0); + if (!node) return -ENODEV; + *p_node = node; /* get dai->name */ ret = snd_soc_of_get_dai_name(np, &dai->name); @@ -104,7 +106,7 @@ asoc_simple_card_sub_parse_of(struct device_node *np, "system-clock-frequency", &dai->sysclk); } else { - clk = of_clk_get(*node, 0); + clk = of_clk_get(node, 0); if (!IS_ERR(clk)) dai->sysclk = clk_get_rate(clk); } @@ -112,17 +114,14 @@ asoc_simple_card_sub_parse_of(struct device_node *np, ret = 0; parse_error: - of_node_put(*node); + of_node_put(node); return ret; } static int asoc_simple_card_parse_of(struct device_node *node, struct asoc_simple_card_info *info, - struct device *dev, - struct device_node **of_cpu, - struct device_node **of_codec, - struct device_node **of_platform) + struct device *dev) { struct device_node *np; char *name; @@ -146,7 +145,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, if (np) ret = asoc_simple_card_sub_parse_of(np, &info->cpu_dai, - of_cpu); + &info->snd_link.cpu_of_node); if (ret < 0) return ret; @@ -156,7 +155,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, if (np) ret = asoc_simple_card_sub_parse_of(np, &info->codec_dai, - of_codec); + &info->snd_link.codec_of_node); if (ret < 0) return ret; @@ -173,7 +172,7 @@ static int asoc_simple_card_parse_of(struct device_node *node, info->snd_link.name = info->snd_link.stream_name = name; /* simple-card assumes platform == cpu */ - *of_platform = *of_cpu; + info->snd_link.platform_of_node = info->snd_link.cpu_of_node; dev_dbg(dev, "card-name : %s\n", name); dev_dbg(dev, "platform : %04x\n", info->daifmt); @@ -193,34 +192,29 @@ static int asoc_simple_card_probe(struct platform_device *pdev) { struct asoc_simple_card_info *cinfo; struct device_node *np = pdev->dev.of_node; - struct device_node *of_cpu, *of_codec, *of_platform; struct device *dev = &pdev->dev; int ret; - cinfo = NULL; - of_cpu = NULL; - of_codec = NULL; - of_platform = NULL; - cinfo = devm_kzalloc(dev, sizeof(*cinfo), GFP_KERNEL); if (!cinfo) return -ENOMEM; + /* + * init snd_soc_card + */ + cinfo->snd_card.owner = THIS_MODULE; + cinfo->snd_card.dev = dev; + cinfo->snd_card.dai_link = &cinfo->snd_link; + cinfo->snd_card.num_links = 1; + if (np && of_device_is_available(np)) { - cinfo->snd_card.dev = dev; - ret = asoc_simple_card_parse_of(np, cinfo, dev, - &of_cpu, - &of_codec, - &of_platform); + ret = asoc_simple_card_parse_of(np, cinfo, dev); if (ret < 0) { if (ret != -EPROBE_DEFER) dev_err(dev, "parse error %d\n", ret); return ret; } - cinfo->snd_link.cpu_of_node = of_cpu; - cinfo->snd_link.codec_of_node = of_codec; - cinfo->snd_link.platform_of_node = of_platform; } else { if (!dev->platform_data) { dev_err(dev, "no info for asoc-simple-card\n"); @@ -228,8 +222,6 @@ static int asoc_simple_card_probe(struct platform_device *pdev) } memcpy(cinfo, dev->platform_data, sizeof(*cinfo)); - cinfo->snd_card.dev = dev; - if (!cinfo->name || !cinfo->card || !cinfo->codec_dai.name || @@ -254,13 +246,6 @@ static int asoc_simple_card_probe(struct platform_device *pdev) cinfo->snd_link.codec_dai_name = cinfo->codec_dai.name; cinfo->snd_link.init = asoc_simple_card_dai_init; - /* - * init snd_soc_card - */ - cinfo->snd_card.owner = THIS_MODULE; - cinfo->snd_card.dai_link = &cinfo->snd_link; - cinfo->snd_card.num_links = 1; - snd_soc_card_set_drvdata(&cinfo->snd_card, cinfo); return devm_snd_soc_register_card(&pdev->dev, &cinfo->snd_card); -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/

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[alsa-devel] [PATCH v2 2/8] ASoC: simple-card: simplify code
by Jean-Francois Moine 22 Jan '14

22 Jan '14

The DT values are copied to the non-DT structure before being moved to the card structure. Set directly the DT values in the card and move the non-DT copy to the non-DT sequence. Signed-off-by: Jean-Francois Moine <moinejf(a)free.fr> --- sound/soc/generic/simple-card.c | 22 ++++++++++++---------- 1 file changed, 12 insertions(+), 10 deletions(-) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index f0784ca..7c5dc73 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -169,12 +169,13 @@ static int asoc_simple_card_parse_of(struct device_node *node, strlen(info->codec_dai.name) + 2, GFP_KERNEL); sprintf(name, "%s-%s", info->cpu_dai.name, info->codec_dai.name); - info->name = info->card = name; + info->snd_card.name = name; + info->snd_link.name = info->snd_link.stream_name = name; /* simple-card assumes platform == cpu */ *of_platform = *of_cpu; - dev_dbg(dev, "card-name : %s\n", info->card); + dev_dbg(dev, "card-name : %s\n", name); dev_dbg(dev, "platform : %04x\n", info->daifmt); dev_dbg(dev, "cpu : %s / %04x / %d\n", info->cpu_dai.name, @@ -217,6 +218,9 @@ static int asoc_simple_card_probe(struct platform_device *pdev) dev_err(dev, "parse error %d\n", ret); return ret; } + cinfo->snd_link.cpu_of_node = of_cpu; + cinfo->snd_link.codec_of_node = of_codec; + cinfo->snd_link.platform_of_node = of_platform; } else { if (!dev->platform_data) { dev_err(dev, "no info for asoc-simple-card\n"); @@ -235,26 +239,24 @@ static int asoc_simple_card_probe(struct platform_device *pdev) dev_err(dev, "insufficient asoc_simple_card_info settings\n"); return -EINVAL; } + + cinfo->snd_card.name = cinfo->card; + cinfo->snd_link.name = cinfo->name; + cinfo->snd_link.stream_name = cinfo->name; + cinfo->snd_link.platform_name = cinfo->platform; + cinfo->snd_link.codec_name = cinfo->codec; } /* * init snd_soc_dai_link */ - cinfo->snd_link.name = cinfo->name; - cinfo->snd_link.stream_name = cinfo->name; cinfo->snd_link.cpu_dai_name = cinfo->cpu_dai.name; - cinfo->snd_link.platform_name = cinfo->platform; - cinfo->snd_link.codec_name = cinfo->codec; cinfo->snd_link.codec_dai_name = cinfo->codec_dai.name; - cinfo->snd_link.cpu_of_node = of_cpu; - cinfo->snd_link.codec_of_node = of_codec; - cinfo->snd_link.platform_of_node = of_platform; cinfo->snd_link.init = asoc_simple_card_dai_init; /* * init snd_soc_card */ - cinfo->snd_card.name = cinfo->card; cinfo->snd_card.owner = THIS_MODULE; cinfo->snd_card.dai_link = &cinfo->snd_link; cinfo->snd_card.num_links = 1; -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/

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[alsa-devel] [PATCH v2 1/8] ASoC: simple-card: simplify code
by Jean-Francois Moine 22 Jan '14

22 Jan '14

The check of the mandatory fields is done for DT in its specific sequence. Move the global check to the non-DT sequence. Signed-off-by: Jean-Francois Moine <moinejf(a)free.fr> --- sound/soc/generic/simple-card.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c index 2a1b1b5..f0784ca 100644 --- a/sound/soc/generic/simple-card.c +++ b/sound/soc/generic/simple-card.c @@ -225,16 +225,16 @@ static int asoc_simple_card_probe(struct platform_device *pdev) memcpy(cinfo, dev->platform_data, sizeof(*cinfo)); cinfo->snd_card.dev = dev; - } - if (!cinfo->name || - !cinfo->card || - !cinfo->codec_dai.name || - !(cinfo->codec || of_codec) || - !(cinfo->platform || of_platform) || - !(cinfo->cpu_dai.name || of_cpu)) { - dev_err(dev, "insufficient asoc_simple_card_info settings\n"); - return -EINVAL; + if (!cinfo->name || + !cinfo->card || + !cinfo->codec_dai.name || + !cinfo->codec || + !cinfo->platform || + !cinfo->cpu_dai.name) { + dev_err(dev, "insufficient asoc_simple_card_info settings\n"); + return -EINVAL; + } } /* -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/

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[alsa-devel] [PATCH v2 0/8] ASoC: simple-card: simplify code
by Jean-Francois Moine 22 Jan '14

22 Jan '14

This patch set simplifies the code and make easier a possible multi-DAI links extension. -- v2: - split the changes into 8 patches (Mark Brown request) - remove the dynamic DAI link array allocation - fix lack of init function when DT use -- Ken ar c'hentañ | ** Breizh ha Linux atav! ** Jef | http://moinejf.free.fr/

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[alsa-devel] [PATCH v2 0/6] ASoC: Samsung: Fix build errors and warnings
by Sachin Kamat 22 Jan '14

22 Jan '14

This series attempts to fix several build errors and warnings that came up while building for different Samsung defconfigs. Some of these could possibly be applied to stable kernels as well (like patch 2 & 6). This series is based on latest linux-next and is build tested on various Samsung configs. Only change in v2 is that CONFIG_OF has been dropped in patch 6 as suggested by reviewers. This made earlier patch 7 redundant and has been dropped in this version of the series. Sachin Kamat (6): ASoC: Samsung: Fix build regressions due to gpio re-org ASoC: Samsung: s3c-i2s-v2: Fix build error ASoC: Samsung: h1940_uda1380: Remove unused variable ASoC: Samsung: h1940_uda1380: Fix build warning ASoC: Samsung: rx1950_uda1380: Remove unused variable ASoC: Samsung: smdk_wm8994: Fix build error sound/soc/samsung/h1940_uda1380.c | 4 ++-- sound/soc/samsung/neo1973_wm8753.c | 1 + sound/soc/samsung/rx1950_uda1380.c | 2 +- sound/soc/samsung/s3c-i2s-v2.c | 6 +++--- sound/soc/samsung/s3c2412-i2s.c | 2 ++ sound/soc/samsung/s3c24xx-i2s.c | 2 ++ sound/soc/samsung/smartq_wm8987.c | 1 + sound/soc/samsung/smdk_wm8994.c | 4 +--- 8 files changed, 13 insertions(+), 9 deletions(-) -- 1.7.9.5

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[alsa-devel] Hello list! My first question!
by gianluca 22 Jan '14

22 Jan '14

Hello list! I am working on a custom embedded ARM based-board (iMX28) with a SGTL5000 audio codec (correctly seen by kernel 3.12.2) but the lineout lines (LINEOUT_L and LINEOUT_R) are inputs for a Texas Instruments' Volume Controller named LM48100Q i2c-bus based. I would like to know if there are any chances to add a ALSA Driver for this VOLUME CONTROLLER. I am looking at sounds/i2c/other/pt2258.c driver and it looks very similar to lm48100. Actually this lm48100 has 5 registers but only 3 are useful to me: MODE CONTROL (how many inputs it uses (1 or 2) or POWER ON/OFF), and one register for INPUT1 VOLUME SETTING and another one for INPUT2 VOLUME SETTING. Or I will be forced to use this in a userspace driver accessing the i2c, but with no integration in any linux-based audio mixer alsa tool. Can you help me on this? Regards, -- ,,, (o o) ======oOO==(_)==OOo====== Gianluca Renzi R&D phone: +39.0542.609120 fax: +39.0542.609212 .oooO Oooo. ======( )==( )======= \ ( ) / \_) (_/ =================== | I would like to | | fix the world, | | but they're not | | giving me the | \ source code! / --------------- ¯\_(".)_/¯

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[alsa-devel] Fw: [Bug 1155202] [Intel DZ77SL-50K, Intel PantherPoint HDMI, Digital Out, HDMI] No sound at all
by Niraj Kulkarni 22 Jan '14

22 Jan '14

Let me try to explain my findings: > How does this magic sequence come? By dumping Win7 driver's init sequence and reproducing it through ALSA driver. >why does it need to set UNSOL flag at first? No such need, I've put it after regular init so that only affected chipsets are reset again. Putting this anywhere around init code works (tried it). >Is the while loop guaranteed to quit for a reasonable time? Being household user, I can only confirm on my chipset. Only a thorough testing may ensure sanity. >Can't it be simply calling azx_reset() twice? It is interesting hardware bug which kicks in only during first init after power-on. So if  Win7 driver in qemu inits the board, and I simply plugin "unchanged" hda_intel afterwards, it still detects codecs. But multiple normal resets do not have any effect. Being no hardware expert, I can only speculate that tight spin loop after reset has the crux. A normal delay call there does not detect codec. >And, yet another question comes up: doesn't S4 need the similar workaround? If S4 works, what's the difference? Haven't tried with sleep-wake or hibernate-restore sequence yet. -- You received this bug notification because you are subscribed to the bug report. https://bugs.launchpad.net/bugs/1155202 Title:  [Intel DZ77SL-50K, Intel PantherPoint HDMI, Digital Out, HDMI] No  sound at all Status in “alsa-driver” package in Ubuntu:  Incomplete Bug description:  I am using ubuntu 10.04  I expected sound  Got no sound at all  I am very new to ubuntu so I have no idea how to find the version of  the package I am using  ProblemType: Bug  DistroRelease: Ubuntu 12.04  Package: alsa-base 1.0.25+dfsg-0ubuntu1.1  ProcVersionSignature: Ubuntu 3.2.0-38.61-generic-pae 3.2.37  Uname: Linux 3.2.0-38-generic-pae i686  AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24.  AplayDevices:   **** List of PLAYBACK Hardware Devices ****   card 0: PCH [HDA Intel PCH], device 3: HDMI 0 [HDMI 0]     Subdevices: 1/1     Subdevice #0: subdevice #0  ApportVersion: 2.0.1-0ubuntu17.1  Architecture: i386  ArecordDevices: **** List of CAPTURE Hardware Devices ****  AudioDevicesInUse:   USER        PID ACCESS COMMAND   /dev/snd/controlC0:  jan        1750 F.... pulseaudio  Card0.Amixer.info:   Card hw:0 'PCH'/'HDA Intel PCH at 0xf7c30000 irq 45'     Mixer name   : 'Intel PantherPoint HDMI'     Components   : 'HDA:80862806,80860101,00100000'     Controls      : 7     Simple ctrls  : 2  CurrentDmesg: [   24.291482] eth0: no IPv6 routers present  Date: Thu Mar 14 08:53:13 2013  InstallationMedia: Ubuntu 12.04.1 LTS "Precise Pangolin" - Release i386 (20120817.3)  MarkForUpload: True  PackageArchitecture: all  ProcEnviron:   TERM=xterm   PATH=(custom, no user)   LANG=en_US.UTF-8   SHELL=/bin/bash  SourcePackage: alsa-driver  Symptom: audio  Symptom_AlsaPlaybackTest: ALSA playback test through plughw:PCH failed  Symptom_Card: Built-in Audio - HDA Intel PCH  Symptom_DevicesInUse:   1750  jan       F.... pulseaudio       PID ACCESS COMMAND  Symptom_Jack: Digital Out, HDMI  Symptom_Type: No sound at all  Title: [, Intel PantherPoint HDMI, Digital Out, HDMI] No sound at all  UpgradeStatus: No upgrade log present (probably fresh install)  dmi.bios.date: 03/19/2012  dmi.bios.vendor: Intel Corporation  dmi.bios.version: SLZ7710H.86A.0055.2012.0319.2140  dmi.board.name: DZ77SL-50K  dmi.board.vendor: Intel Corporation  dmi.board.version: AAG55115-300  dmi.chassis.type: 3  dmi.modalias: dmi:bvnIntelCorporation:bvrSLZ7710H.86A.0055.2012.0319.2140:bd03/19/2012:svn:pn:pvr:rvnIntelCorporation:rnDZ77SL-50K:rvrAAG55115-300:cvn:ct3:cvr: To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1155202/+subscri…

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[alsa-devel] [RFC PATCH] ALSA: hda - Detect codecs on Intel DZ77SL-50K
by David Henningsson 22 Jan '14

22 Jan '14

From: Niraj <kulkarniniraj(a)rediffmail.com> Apparently this board seems to need some extra initialization before a proper codec probe value can be read. BugLink: https://bugs.launchpad.net/bugs/1155202 Signed-off-by: David Henningsson <david.henningsson(a)canonical.com> --- sound/pci/hda/hda_intel.c | 6 ++++++ 1 file changed, 6 insertions(+) Hi Takashi, Here's a patch from Niraj, which has found this code below to make audio work on the Intel DZ77SL-50K board. Without it, no codecs will be detected. I'm not sure if you like it this way or if you want me or Niraj to change anything, or debug further. Or maybe add a new quirk for this particular device? diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index fa2879a..2bf46e9 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1306,6 +1306,12 @@ static void azx_init_chip(struct azx *chip, int full_reset) /* reset controller */ azx_reset(chip, full_reset); + if (!chip->codec_mask) { + azx_writel(chip, GCTL, 0x100); + while(azx_readl(chip, GCTL) != 0x0); + azx_writel(chip, GCTL, 0x1); + azx_reset(chip, full_reset); + } /* initialize interrupts */ azx_int_clear(chip); -- 1.7.9.5

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