diff options
| author | Robert Jarzmik <robert.jarzmik@free.fr> | 2017-09-13 21:37:19 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2017-09-19 17:09:35 +0100 |
| commit | 9bd400cadae05a26c3a22dd8393081cb96d0e26a (patch) | |
| tree | d1daac89c72ba91c38c23a79bb8c53779632873d /sound/soc/codecs/wm9713.c | |
| parent | ae9d1b5fbd7b7ee1c2d2f62a7cee3c0455e06f94 (diff) | |
| download | talos-obmc-linux-9bd400cadae05a26c3a22dd8393081cb96d0e26a.tar.gz talos-obmc-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/soc/codecs/wm9713.c')
| -rw-r--r-- | sound/soc/codecs/wm9713.c | 39 |
1 files changed, 27 insertions, 12 deletions
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, |
