dect
/
linux-2.6
Archived
13
0
Fork 0
Code Releases Activity

Merge branch 'fix/asoc' into for-linus

This commit is contained in:
Takashi Iwai 2011-01-21 08:10:14 +01:00
parent 2f36f5e1ff c88c2823e8
commit 842a209700
7 changed files with 55 additions and 68 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

45
Documentation/sound/alsa/soc/codec.txt
View File

@ -27,42 +27,38 @@ ASoC Codec driver breakdown
1 - Codec DAI and PCM configuration
-----------------------------------
Each codec driver must have a struct snd_soc_codec_dai to define its DAI and
Each codec driver must have a struct snd_soc_dai_driver to define its DAI and
PCM capabilities and operations. This struct is exported so that it can be
registered with the core by your machine driver.
e.g.
struct snd_soc_codec_dai wm8731_dai = {
.name = "WM8731",
/* playback capabilities */
static struct snd_soc_dai_ops wm8731_dai_ops = {
.prepare = wm8731_pcm_prepare,
.hw_params = wm8731_hw_params,
.shutdown = wm8731_shutdown,
.digital_mute = wm8731_mute,
.set_sysclk = wm8731_set_dai_sysclk,
.set_fmt = wm8731_set_dai_fmt,
};
struct snd_soc_dai_driver wm8731_dai = {
.name = "wm8731-hifi",
.playback = {
.stream_name = "Playback",
.channels_min = 1,
.channels_max = 2,
.rates = WM8731_RATES,
.formats = WM8731_FORMATS,},
/* capture capabilities */
.capture = {
.stream_name = "Capture",
.channels_min = 1,
.channels_max = 2,
.rates = WM8731_RATES,
.formats = WM8731_FORMATS,},
/* pcm operations - see section 4 below */
.ops = {
.prepare = wm8731_pcm_prepare,
.hw_params = wm8731_hw_params,
.shutdown = wm8731_shutdown,
},
/* DAI operations - see DAI.txt */
.dai_ops = {
.digital_mute = wm8731_mute,
.set_sysclk = wm8731_set_dai_sysclk,
.set_fmt = wm8731_set_dai_fmt,
}
.ops = &wm8731_dai_ops,
.symmetric_rates = 1,
};
EXPORT_SYMBOL_GPL(wm8731_dai);
2 - Codec control IO
@ -186,13 +182,14 @@ when the mute is applied or freed.
i.e.
static int wm8974_mute(struct snd_soc_codec *codec,
struct snd_soc_codec_dai *dai, int mute)
static int wm8974_mute(struct snd_soc_dai *dai, int mute)
{
u16 mute_reg = wm8974_read_reg_cache(codec, WM8974_DAC) & 0xffbf;
if(mute)
wm8974_write(codec, WM8974_DAC, mute_reg | 0x40);
struct snd_soc_codec *codec = dai->codec;
u16 mute_reg = snd_soc_read(codec, WM8974_DAC) & 0xffbf;
if (mute)
snd_soc_write(codec, WM8974_DAC, mute_reg | 0x40);
else
wm8974_write(codec, WM8974_DAC, mute_reg);
snd_soc_write(codec, WM8974_DAC, mute_reg);
return 0;
}

38
Documentation/sound/alsa/soc/machine.txt
View File

@ -12,6 +12,8 @@ the following struct:-
struct snd_soc_card {
char *name;
...
int (*probe)(struct platform_device *pdev);
int (*remove)(struct platform_device *pdev);
@ -22,12 +24,13 @@ struct snd_soc_card {
int (*resume_pre)(struct platform_device *pdev);
int (*resume_post)(struct platform_device *pdev);
/* machine stream operations */
struct snd_soc_ops *ops;
...
/* CPU <--> Codec DAI links */
struct snd_soc_dai_link *dai_link;
int num_links;
...
};
probe()/remove()
@ -42,11 +45,6 @@ of any machine audio tasks that have to be done before or after the codec, DAIs
and DMA is suspended and resumed. Optional.
Machine operations
------------------
The machine specific audio operations can be set here. Again this is optional.
Machine DAI Configuration
-------------------------
The machine DAI configuration glues all the codec and CPU DAIs together. It can
@ -61,8 +59,10 @@ struct snd_soc_dai_link is used to set up each DAI in your machine. e.g.
static struct snd_soc_dai_link corgi_dai = {
.name = "WM8731",
.stream_name = "WM8731",
.cpu_dai = &pxa_i2s_dai,
.codec_dai = &wm8731_dai,
.cpu_dai_name = "pxa-is2-dai",
.codec_dai_name = "wm8731-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm8713-codec.0-001a",
.init = corgi_wm8731_init,
.ops = &corgi_ops,
};
@ -77,26 +77,6 @@ static struct snd_soc_card snd_soc_corgi = {
};
Machine Audio Subsystem
-----------------------
The machine soc device glues the platform, machine and codec driver together.
Private data can also be set here. e.g.
/* corgi audio private data */
static struct wm8731_setup_data corgi_wm8731_setup = {
.i2c_address = 0x1b,
};
/* corgi audio subsystem */
static struct snd_soc_device corgi_snd_devdata = {
.machine = &snd_soc_corgi,
.platform = &pxa2xx_soc_platform,
.codec_dev = &soc_codec_dev_wm8731,
.codec_data = &corgi_wm8731_setup,
};
Machine Power Map
-----------------

12
Documentation/sound/alsa/soc/platform.txt
View File

@ -20,9 +20,10 @@ struct snd_soc_ops {
int (*trigger)(struct snd_pcm_substream *, int);
};
The platform driver exports its DMA functionality via struct snd_soc_platform:-
The platform driver exports its DMA functionality via struct
snd_soc_platform_driver:-
struct snd_soc_platform {
struct snd_soc_platform_driver {
char *name;
int (*probe)(struct platform_device *pdev);
@ -34,6 +35,13 @@ struct snd_soc_platform {
int (*pcm_new)(struct snd_card *, struct snd_soc_codec_dai *, struct snd_pcm *);
void (*pcm_free)(struct snd_pcm *);
/*
* For platform caused delay reporting.
* Optional.
*/
snd_pcm_sframes_t (*delay)(struct snd_pcm_substream *,
struct snd_soc_dai *);
/* platform stream ops */
struct snd_pcm_ops *pcm_ops;
};

11
sound/soc/blackfin/Kconfig
View File

@ -1,6 +1,7 @@
config SND_BF5XX_I2S
tristate "SoC I2S Audio for the ADI BF5xx chip"
depends on BLACKFIN
select SND_BF5XX_SOC_SPORT
help
Say Y or M if you want to add support for codecs attached to
the Blackfin SPORT (synchronous serial ports) interface in I2S
@ -35,6 +36,7 @@ config SND_BFIN_AD73311_SE
config SND_BF5XX_TDM
tristate "SoC I2S(TDM mode) Audio for the ADI BF5xx chip"
depends on (BLACKFIN && SND_SOC)
select SND_BF5XX_SOC_SPORT
help
Say Y or M if you want to add support for codecs attached to
the Blackfin SPORT (synchronous serial ports) interface in TDM
@ -61,6 +63,10 @@ config SND_BF5XX_SOC_AD193X
config SND_BF5XX_AC97
tristate "SoC AC97 Audio for the ADI BF5xx chip"
depends on BLACKFIN
select AC97_BUS
select SND_SOC_AC97_BUS
select SND_BF5XX_SOC_SPORT
select SND_BF5XX_SOC_AC97
help
Say Y or M if you want to add support for codecs attached to
the Blackfin SPORT (synchronous serial ports) interface in slot 16
@ -122,17 +128,12 @@ config SND_BF5XX_SOC_SPORT
config SND_BF5XX_SOC_I2S
tristate
select SND_BF5XX_SOC_SPORT
config SND_BF5XX_SOC_TDM
tristate
select SND_BF5XX_SOC_SPORT
config SND_BF5XX_SOC_AC97
tristate
select AC97_BUS
select SND_SOC_AC97_BUS
select SND_BF5XX_SOC_SPORT
config SND_BF5XX_SPORT_NUM
int "Set a SPORT for Sound chip"

4
sound/soc/blackfin/bf5xx-ac97.c
View File

@ -260,9 +260,9 @@ static int bf5xx_ac97_suspend(struct snd_soc_dai *dai)
pr_debug("%s : sport %d\n", __func__, dai->id);
if (!dai->active)
return 0;
if (dai->capture.active)
if (dai->capture_active)
sport_rx_stop(sport);
if (dai->playback.active)
if (dai->playback_active)
sport_tx_stop(sport);
return 0;
}

10
sound/soc/blackfin/bf5xx-tdm.c
View File

@ -210,7 +210,7 @@ static int bf5xx_tdm_set_channel_map(struct snd_soc_dai *dai,
#ifdef CONFIG_PM
static int bf5xx_tdm_suspend(struct snd_soc_dai *dai)
{
struct sport_device *sport = dai->private_data;
struct sport_device *sport = snd_soc_dai_get_drvdata(dai);
if (!dai->active)
return 0;
@ -235,13 +235,13 @@ static int bf5xx_tdm_resume(struct snd_soc_dai *dai)
ret = -EBUSY;
}
ret = sport_config_rx(sport, IRFS, 0x1F, 0, 0);
ret = sport_config_rx(sport, 0, 0x1F, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
ret = -EBUSY;
}
ret = sport_config_tx(sport, ITFS, 0x1F, 0, 0);
ret = sport_config_tx(sport, 0, 0x1F, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
ret = -EBUSY;
@ -303,14 +303,14 @@ static int __devinit bfin_tdm_probe(struct platform_device *pdev)
goto sport_config_err;
}
ret = sport_config_rx(sport_handle, IRFS, 0x1F, 0, 0);
ret = sport_config_rx(sport_handle, 0, 0x1F, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
ret = -EBUSY;
goto sport_config_err;
}
ret = sport_config_tx(sport_handle, ITFS, 0x1F, 0, 0);
ret = sport_config_tx(sport_handle, 0, 0x1F, 0, 0);
if (ret) {
pr_err("SPORT is busy!\n");
ret = -EBUSY;

3
sound/soc/pxa/z2.c
View File

@ -104,6 +104,7 @@ static struct snd_soc_jack_gpio hs_jack_gpios[] = {
.name = "hsdet-gpio",
.report = SND_JACK_HEADSET,
.debounce_time = 200,
.invert = 1,
},
};
@ -192,7 +193,7 @@ static struct snd_soc_dai_link z2_dai = {
.cpu_dai_name = "pxa2xx-i2s",
.codec_dai_name = "wm8750-hifi",
.platform_name = "pxa-pcm-audio",
.codec_name = "wm8750-codec.0-001a",
.codec_name = "wm8750-codec.0-001b",
.init = z2_wm8750_init,
.ops = &z2_ops,
};