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authorRobert Jarzmik <robert.jarzmik@free.fr>2017-09-13 21:37:19 +0200
committerMark Brown <broonie@kernel.org>2017-09-19 18:09:35 +0200
commit9bd400cadae05a26c3a22dd8393081cb96d0e26a (patch)
treed1daac89c72ba91c38c23a79bb8c53779632873d /sound
parentInput: wm97xx: add new AC97 bus support (diff)
downloadlinux-9bd400cadae05a26c3a22dd8393081cb96d0e26a.tar.xz
linux-9bd400cadae05a26c3a22dd8393081cb96d0e26a.zip
ASoC: wm9713: 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> Acked-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com> 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/wm9713.c39
2 files changed, 29 insertions, 13 deletions
diff --git a/sound/soc/codecs/Kconfig b/sound/soc/codecs/Kconfig
index c367d11079bc..807901cac1b3 100644
--- a/sound/soc/codecs/Kconfig
+++ b/sound/soc/codecs/Kconfig
@@ -216,7 +216,7 @@ config SND_SOC_ALL_CODECS
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_WM9713 if SND_SOC_AC97_BUS
+ 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
uses them is also built since they are only usable with a machine
@@ -1136,6 +1136,7 @@ config SND_SOC_WM9712
config SND_SOC_WM9713
tristate
select REGMAP_AC97
+ select AC97_BUS_COMPAT if AC97_BUS_NEW
config SND_SOC_ZX_AUD96P22
tristate "ZTE ZX AUD96P22 CODEC"
diff --git a/sound/soc/codecs/wm9713.c b/sound/soc/codecs/wm9713.c
index 7e4822185feb..df7220656d98 100644
--- a/sound/soc/codecs/wm9713.c
+++ b/sound/soc/codecs/wm9713.c
@@ -17,12 +17,15 @@
#include <linux/init.h>
#include <linux/slab.h>
+#include <linux/mfd/wm97xx.h>
#include <linux/module.h>
#include <linux/device.h>
#include <linux/regmap.h>
#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/pcm_params.h>
#include <sound/tlv.h>
@@ -38,6 +41,7 @@ struct wm9713_priv {
u32 pll_in; /* PLL input frequency */
unsigned int hp_mixer[2];
struct mutex lock;
+ struct wm97xx_platform_data *mfd_pdata;
};
#define HPL_MIXER 0
@@ -1205,17 +1209,23 @@ static int wm9713_soc_resume(struct snd_soc_codec *codec)
static int wm9713_soc_probe(struct snd_soc_codec *codec)
{
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
- struct regmap *regmap;
+ struct regmap *regmap = NULL;
- wm9713->ac97 = snd_soc_new_ac97_codec(codec, WM9713_VENDOR_ID,
- WM9713_VENDOR_ID_MASK);
- if (IS_ERR(wm9713->ac97))
- return PTR_ERR(wm9713->ac97);
-
- regmap = regmap_init_ac97(wm9713->ac97, &wm9713_regmap_config);
- if (IS_ERR(regmap)) {
- snd_soc_free_ac97_codec(wm9713->ac97);
- return PTR_ERR(regmap);
+ if (wm9713->mfd_pdata) {
+ wm9713->ac97 = wm9713->mfd_pdata->ac97;
+ regmap = wm9713->mfd_pdata->regmap;
+ } else {
+#ifdef CONFIG_SND_SOC_AC97_BUS
+ wm9713->ac97 = snd_soc_new_ac97_codec(codec, WM9713_VENDOR_ID,
+ WM9713_VENDOR_ID_MASK);
+ if (IS_ERR(wm9713->ac97))
+ return PTR_ERR(wm9713->ac97);
+ regmap = regmap_init_ac97(wm9713->ac97, &wm9713_regmap_config);
+ if (IS_ERR(regmap)) {
+ snd_soc_free_ac97_codec(wm9713->ac97);
+ return PTR_ERR(regmap);
+ }
+#endif
}
snd_soc_codec_init_regmap(codec, regmap);
@@ -1228,10 +1238,14 @@ static int wm9713_soc_probe(struct snd_soc_codec *codec)
static int wm9713_soc_remove(struct snd_soc_codec *codec)
{
+#ifdef CONFIG_SND_SOC_AC97_BUS
struct wm9713_priv *wm9713 = snd_soc_codec_get_drvdata(codec);
- snd_soc_codec_exit_regmap(codec);
- snd_soc_free_ac97_codec(wm9713->ac97);
+ if (!wm9713->mfd_pdata) {
+ snd_soc_codec_exit_regmap(codec);
+ snd_soc_free_ac97_codec(wm9713->ac97);
+ }
+#endif
return 0;
}
@@ -1262,6 +1276,7 @@ static int wm9713_probe(struct platform_device *pdev)
mutex_init(&wm9713->lock);
+ wm9713->mfd_pdata = dev_get_platdata(&pdev->dev);
platform_set_drvdata(pdev, wm9713);
return snd_soc_register_codec(&pdev->dev,