diff options
Diffstat (limited to 'sound/soc/codecs/da7210.c')
| -rw-r--r-- | sound/soc/codecs/da7210.c | 48 |
1 files changed, 33 insertions, 15 deletions
diff --git a/sound/soc/codecs/da7210.c b/sound/soc/codecs/da7210.c index 75af2d6e0e7..3c51d6a5752 100644 --- a/sound/soc/codecs/da7210.c +++ b/sound/soc/codecs/da7210.c @@ -15,23 +15,15 @@ * option) any later version. */ -#include <linux/module.h> -#include <linux/moduleparam.h> -#include <linux/kernel.h> -#include <linux/init.h> #include <linux/delay.h> -#include <linux/pm.h> #include <linux/i2c.h> #include <linux/platform_device.h> #include <linux/slab.h> -#include <sound/core.h> #include <sound/pcm.h> #include <sound/pcm_params.h> -#include <sound/soc.h> #include <sound/soc-dapm.h> -#include <sound/tlv.h> #include <sound/initval.h> -#include <asm/div64.h> +#include <sound/tlv.h> #include "da7210.h" @@ -145,6 +137,29 @@ #define DA7210_VERSION "0.0.1" +/* + * Playback Volume + * + * max : 0x3F (+15.0 dB) + * (1.5 dB step) + * min : 0x11 (-54.0 dB) + * mute : 0x10 + * reserved : 0x00 - 0x0F + * + * ** FIXME ** + * + * Reserved area are considered as "mute". + * -> min = -79.5 dB + */ +static const DECLARE_TLV_DB_SCALE(hp_out_tlv, -7950, 150, 1); + +static const struct snd_kcontrol_new da7210_snd_controls[] = { + + SOC_DOUBLE_R_TLV("HeadPhone Playback Volume", + DA7210_HP_L_VOL, DA7210_HP_R_VOL, + 0, 0x3F, 0, hp_out_tlv), +}; + /* Codec private data */ struct da7210_priv { struct snd_soc_codec codec; @@ -227,10 +242,6 @@ static int da7210_startup(struct snd_pcm_substream *substream, struct snd_soc_codec *codec = dai->codec; if (is_play) { - /* PlayBack Volume 40 */ - snd_soc_update_bits(codec, DA7210_HP_L_VOL, 0x3F, 40); - snd_soc_update_bits(codec, DA7210_HP_R_VOL, 0x3F, 40); - /* Enable Out */ snd_soc_update_bits(codec, DA7210_OUTMIX_L, 0x1F, 0x10); snd_soc_update_bits(codec, DA7210_OUTMIX_R, 0x1F, 0x10); @@ -488,7 +499,7 @@ static int da7210_init(struct da7210_priv *da7210) ret = snd_soc_register_dai(&da7210_dai); if (ret) { dev_err(codec->dev, "Failed to register DAI: %d\n", ret); - goto init_err; + goto codec_err; } /* FIXME @@ -574,6 +585,8 @@ static int da7210_init(struct da7210_priv *da7210) return ret; +codec_err: + snd_soc_unregister_codec(codec); init_err: kfree(codec->reg_cache); codec->reg_cache = NULL; @@ -601,8 +614,10 @@ static int __devinit da7210_i2c_probe(struct i2c_client *i2c, codec->control_data = i2c; ret = da7210_init(da7210); - if (ret < 0) + if (ret < 0) { pr_err("Failed to initialise da7210 audio codec\n"); + kfree(da7210); + } return ret; } @@ -656,6 +671,9 @@ static int da7210_probe(struct platform_device *pdev) if (ret < 0) goto pcm_err; + snd_soc_add_controls(da7210_codec, da7210_snd_controls, + ARRAY_SIZE(da7210_snd_controls)); + dev_info(&pdev->dev, "DA7210 Audio Codec %s\n", DA7210_VERSION); pcm_err: |