diff options
Diffstat (limited to 'sound/soc/codecs/wm9705.c')
| -rw-r--r-- | sound/soc/codecs/wm9705.c | 68 |
1 files changed, 46 insertions, 22 deletions
diff --git a/sound/soc/codecs/wm9705.c b/sound/soc/codecs/wm9705.c index f6d5c0f2aea5..2c09f71fe433 100644 --- a/sound/soc/codecs/wm9705.c +++ b/sound/soc/codecs/wm9705.c @@ -11,6 +11,7 @@ #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> @@ -18,12 +19,19 @@ #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> #define WM9705_VENDOR_ID 0x574d4c05 #define WM9705_VENDOR_ID_MASK 0xffffffff +struct wm9705_priv { + struct snd_ac97 *ac97; + struct wm97xx_platform_data *mfd_pdata; +}; + static const struct reg_default wm9705_reg_defaults[] = { { 0x02, 0x8000 }, { 0x04, 0x8000 }, @@ -292,10 +300,10 @@ static int wm9705_soc_suspend(struct snd_soc_codec *codec) static int wm9705_soc_resume(struct snd_soc_codec *codec) { - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); + struct wm9705_priv *wm9705 = snd_soc_codec_get_drvdata(codec); int ret; - ret = snd_ac97_reset(ac97, true, WM9705_VENDOR_ID, + ret = snd_ac97_reset(wm9705->ac97, true, WM9705_VENDOR_ID, WM9705_VENDOR_ID_MASK); if (ret < 0) return ret; @@ -311,38 +319,45 @@ static int wm9705_soc_resume(struct snd_soc_codec *codec) static int wm9705_soc_probe(struct snd_soc_codec *codec) { - struct snd_ac97 *ac97; + struct wm9705_priv *wm9705 = snd_soc_codec_get_drvdata(codec); struct regmap *regmap; - int ret; - - ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID, - WM9705_VENDOR_ID_MASK); - if (IS_ERR(ac97)) { - dev_err(codec->dev, "Failed to register AC97 codec\n"); - return PTR_ERR(ac97); - } - regmap = regmap_init_ac97(ac97, &wm9705_regmap_config); - if (IS_ERR(regmap)) { - ret = PTR_ERR(regmap); - goto err_free_ac97_codec; + if (wm9705->mfd_pdata) { + wm9705->ac97 = wm9705->mfd_pdata->ac97; + regmap = wm9705->mfd_pdata->regmap; + } else { +#ifdef CONFIG_SND_SOC_AC97_BUS + wm9705->ac97 = snd_soc_new_ac97_codec(codec, WM9705_VENDOR_ID, + WM9705_VENDOR_ID_MASK); + if (IS_ERR(wm9705->ac97)) { + dev_err(codec->dev, "Failed to register AC97 codec\n"); + return PTR_ERR(wm9705->ac97); + } + + regmap = regmap_init_ac97(wm9705->ac97, &wm9705_regmap_config); + if (IS_ERR(regmap)) { + snd_soc_free_ac97_codec(wm9705->ac97); + return PTR_ERR(regmap); + } +#endif } - snd_soc_codec_set_drvdata(codec, ac97); + snd_soc_codec_set_drvdata(codec, wm9705->ac97); snd_soc_codec_init_regmap(codec, regmap); return 0; -err_free_ac97_codec: - snd_soc_free_ac97_codec(ac97); - return ret; } static int wm9705_soc_remove(struct snd_soc_codec *codec) { - struct snd_ac97 *ac97 = snd_soc_codec_get_drvdata(codec); +#ifdef CONFIG_SND_SOC_AC97_BUS + struct wm9705_priv *wm9705 = snd_soc_codec_get_drvdata(codec); - snd_soc_codec_exit_regmap(codec); - snd_soc_free_ac97_codec(ac97); + if (!wm9705->mfd_pdata) { + snd_soc_codec_exit_regmap(codec); + snd_soc_free_ac97_codec(wm9705->ac97); + } +#endif return 0; } @@ -364,6 +379,15 @@ static const struct snd_soc_codec_driver soc_codec_dev_wm9705 = { static int wm9705_probe(struct platform_device *pdev) { + struct wm9705_priv *wm9705; + + wm9705 = devm_kzalloc(&pdev->dev, sizeof(*wm9705), GFP_KERNEL); + if (wm9705 == NULL) + return -ENOMEM; + + wm9705->mfd_pdata = dev_get_platdata(&pdev->dev); + platform_set_drvdata(pdev, wm9705); + return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm9705, wm9705_dai, ARRAY_SIZE(wm9705_dai)); } |