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authorRobert Jarzmik <robert.jarzmik@free.fr>2017-09-13 21:37:20 +0200
committerMark Brown <broonie@kernel.org>2017-09-19 17:09:35 +0100
commit2ed1a8e0ce8db6d36f849526db61ce3c85a9f8d1 (patch)
tree9e34c781ff820bcccb6dae247972a779d5eab496 /sound
parent9bd400cadae05a26c3a22dd8393081cb96d0e26a (diff)
downloadop-kernel-dev-2ed1a8e0ce8db6d36f849526db61ce3c85a9f8d1.zip
op-kernel-dev-2ed1a8e0ce8db6d36f849526db61ce3c85a9f8d1.tar.gz
ASoC: wm9712: add ac97 new bus support
Add support for the new ac97 bus model, where devices are automatically discovered on AC-Links. Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr> Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/soc/codecs/Kconfig3
-rw-r--r--sound/soc/codecs/wm9712.c44
2 files changed, 32 insertions, 15 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index 807901c..655388d 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -215,7 +215,7 @@ config SND_SOC_ALL_CODECS
select SND_SOC_WM9081 if I2C
select SND_SOC_WM9090 if I2C
select SND_SOC_WM9705 if SND_SOC_AC97_BUS
- select SND_SOC_WM9712 if SND_SOC_AC97_BUS
+ select SND_SOC_WM9712 if (SND_SOC_AC97_BUS || SND_SOC_AC97_BUS_NEW)
select SND_SOC_WM9713 if (SND_SOC_AC97_BUS || SND_SOC_AC97_BUS_NEW)
help
Normally ASoC codec drivers are only built if a machine driver which
@@ -1132,6 +1132,7 @@ config SND_SOC_WM9705
config SND_SOC_WM9712
tristate
select REGMAP_AC97
+ select AC97_BUS_COMPAT if AC97_BUS_NEW
config SND_SOC_WM9713
tristate
diff --git a/sound/soc/codecs/wm9712.c b/sound/soc/codecs/wm9712.c
index 1a3e179..1e228bf 100644
--- a/sound/soc/codecs/wm9712.c
+++ b/sound/soc/codecs/wm9712.c
@@ -12,6 +12,7 @@
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/mfd/wm97xx.h>
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
@@ -19,6 +20,8 @@
#include <sound/core.h>
#include <sound/pcm.h>
#include <sound/ac97_codec.h>
+#include <sound/ac97/codec.h>
+#include <sound/ac97/compat.h>
#include <sound/initval.h>
#include <sound/soc.h>
#include <sound/tlv.h>
@@ -30,6 +33,7 @@ struct wm9712_priv {
struct snd_ac97 *ac97;
unsigned int hp_mixer[2];
struct mutex lock;
+ struct wm97xx_platform_data *mfd_pdata;
};
static const struct reg_default wm9712_reg_defaults[] = {
@@ -636,18 +640,25 @@ static int wm9712_soc_probe(struct snd_soc_codec *codec)
struct regmap *regmap;
int ret;
- wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
- WM9712_VENDOR_ID_MASK);
- if (IS_ERR(wm9712->ac97)) {
- ret = PTR_ERR(wm9712->ac97);
- dev_err(codec->dev, "Failed to register AC97 codec: %d\n", ret);
- return ret;
- }
-
- regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
- if (IS_ERR(regmap)) {
- ret = PTR_ERR(regmap);
- goto err_free_ac97_codec;
+ if (wm9712->mfd_pdata) {
+ wm9712->ac97 = wm9712->mfd_pdata->ac97;
+ regmap = wm9712->mfd_pdata->regmap;
+ } else {
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ wm9712->ac97 = snd_soc_new_ac97_codec(codec, WM9712_VENDOR_ID,
+ WM9712_VENDOR_ID_MASK);
+ if (IS_ERR(wm9712->ac97)) {
+ ret = PTR_ERR(wm9712->ac97);
+ dev_err(codec->dev,
+ "Failed to register AC97 codec: %d\n", ret);
+ return ret;
+ }
+
+ regmap = regmap_init_ac97(wm9712->ac97, &wm9712_regmap_config);
+ if (IS_ERR(regmap)) {
+ ret = PTR_ERR(regmap);
+ goto err_free_ac97_codec;
+#endif
}
snd_soc_codec_init_regmap(codec, regmap);
@@ -663,10 +674,14 @@ err_free_ac97_codec:
static int wm9712_soc_remove(struct snd_soc_codec *codec)
{
+#ifdef CONFIG_SND_SOC_AC97_BUS
struct wm9712_priv *wm9712 = snd_soc_codec_get_drvdata(codec);
- snd_soc_codec_exit_regmap(codec);
- snd_soc_free_ac97_codec(wm9712->ac97);
+ if (!wm9712->mfd_pdata) {
+ snd_soc_codec_exit_regmap(codec);
+ snd_soc_free_ac97_codec(wm9712->ac97);
+ }
+#endif
return 0;
}
@@ -697,6 +712,7 @@ static int wm9712_probe(struct platform_device *pdev)
mutex_init(&wm9712->lock);
+ wm9712->mfd_pdata = dev_get_platdata(&pdev->dev);
platform_set_drvdata(pdev, wm9712);
return snd_soc_register_codec(&pdev->dev,
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