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ASoC: au1x: update db1200 machine to the new way of things 

The use of the "soc-audio" platform device is no longer en vogue,
update the code to the newer, simpler way of doing things.

Signed-off-by: Manuel Lauss <manuel.lauss@googlemail.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Liam Girdwood <lrg@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Manuel Lauss 2011-07-25 13:45:03 +02:00 committed by Mark Brown
parent 5b0912be7a
commit adbc7a5a61
2 changed files with 56 additions and 24 deletions
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10
arch/mips/alchemy/devboards/db1200/platform.c
View File

@ -422,6 +422,7 @@ static struct resource au1200_psc1_res[] = {
},
};
/* AC97 or I2S device */
static struct platform_device db1200_audio_dev = {
/* name assigned later based on switch setting */
.id = 1, /* PSC ID */
@ -429,6 +430,12 @@ static struct platform_device db1200_audio_dev = {
.resource = au1200_psc1_res,
};
/* DB1200 ASoC card device */
static struct platform_device db1200_sound_dev = {
/* name assigned later based on switch setting */
.id = 1, /* PSC ID */
};
static struct platform_device db1200_stac_dev = {
.name = "ac97-codec",
.id = 1, /* on PSC1 */
@ -448,6 +455,7 @@ static struct platform_device *db1200_devs[] __initdata = {
&db1200_audiodma_dev,
&db1200_audio_dev,
&db1200_stac_dev,
&db1200_sound_dev,
};
static int __init db1200_dev_init(void)
@ -507,10 +515,12 @@ static int __init db1200_dev_init(void)
if (sw == BCSR_SWITCHES_DIP_8) {
bcsr_mod(BCSR_RESETS, 0, BCSR_RESETS_PSC1MUX);
db1200_audio_dev.name = "au1xpsc_i2s";
db1200_sound_dev.name = "db1200-i2s";
printk(KERN_INFO " S6.7 ON : PSC1 mode I2S\n");
} else {
bcsr_mod(BCSR_RESETS, BCSR_RESETS_PSC1MUX, 0);
db1200_audio_dev.name = "au1xpsc_ac97";
db1200_sound_dev.name = "db1200-ac97";
printk(KERN_INFO " S6.7 OFF: PSC1 mode AC97\n");
}

70
sound/soc/au1x/db1200.c
View File

@ -1,7 +1,7 @@
/*
* DB1200 ASoC audio fabric support code.
*
* (c) 2008-9 Manuel Lauss <manuel.lauss@gmail.com>
* (c) 2008-2011 Manuel Lauss <manuel.lauss@googlemail.com>
*
*/
@ -21,6 +21,17 @@
#include "../codecs/wm8731.h"
#include "psc.h"
static struct platform_device_id db1200_pids[] = {
{
.name = "db1200-ac97",
.driver_data = 0,
}, {
.name = "db1200-i2s",
.driver_data = 1,
},
{},
};
/*------------------------- AC97 PART ---------------------------*/
static struct snd_soc_dai_link db1200_ac97_dai = {
@ -89,36 +100,47 @@ static struct snd_soc_card db1200_i2s_machine = {
/*------------------------- COMMON PART ---------------------------*/
static struct platform_device *db1200_asoc_dev;
static struct snd_soc_card *db1200_cards[] __devinitdata = {
&db1200_ac97_machine,
&db1200_i2s_machine,
};
static int __devinit db1200_audio_probe(struct platform_device *pdev)
{
const struct platform_device_id *pid = platform_get_device_id(pdev);
struct snd_soc_card *card;
card = db1200_cards[pid->driver_data];
card->dev = &pdev->dev;
return snd_soc_register_card(card);
}
static int __devexit db1200_audio_remove(struct platform_device *pdev)
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
snd_soc_unregister_card(card);
return 0;
}
static struct platform_driver db1200_audio_driver = {
.driver = {
.name = "db1200-ac97",
.owner = THIS_MODULE,
.pm = &snd_soc_pm_ops,
},
.id_table = db1200_pids,
.probe = db1200_audio_probe,
.remove = __devexit_p(db1200_audio_remove),
};
static int __init db1200_audio_load(void)
{
int ret;
ret = -ENOMEM;
db1200_asoc_dev = platform_device_alloc("soc-audio", 1); /* PSC1 */
if (!db1200_asoc_dev)
goto out;
/* DB1200 board setup set PSC1MUX to preferred audio device */
if (bcsr_read(BCSR_RESETS) & BCSR_RESETS_PSC1MUX)
platform_set_drvdata(db1200_asoc_dev, &db1200_i2s_machine);
else
platform_set_drvdata(db1200_asoc_dev, &db1200_ac97_machine);
ret = platform_device_add(db1200_asoc_dev);
if (ret) {
platform_device_put(db1200_asoc_dev);
db1200_asoc_dev = NULL;
}
out:
return ret;
return platform_driver_register(&db1200_audio_driver);
}
static void __exit db1200_audio_unload(void)
{
platform_device_unregister(db1200_asoc_dev);
platform_driver_unregister(&db1200_audio_driver);
}
module_init(db1200_audio_load);