diff options
Diffstat (limited to 'sound/soc/codecs/twl6040.c')
-rw-r--r-- | sound/soc/codecs/twl6040.c | 39 |
1 files changed, 26 insertions, 13 deletions
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c index 73e11f0..5b9c79b 100644 --- a/sound/soc/codecs/twl6040.c +++ b/sound/soc/codecs/twl6040.c @@ -33,6 +33,7 @@ #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/soc.h> +#include <sound/soc-dapm.h> #include <sound/initval.h> #include <sound/tlv.h> @@ -1012,6 +1013,28 @@ static int twl6040_pll_put_enum(struct snd_kcontrol *kcontrol, return 0; } +int twl6040_get_dl1_gain(struct snd_soc_codec *codec) +{ + struct snd_soc_dapm_context *dapm = &codec->dapm; + + if (snd_soc_dapm_get_pin_status(dapm, "EP")) + return -1; /* -1dB */ + + if (snd_soc_dapm_get_pin_status(dapm, "HSOR") || + snd_soc_dapm_get_pin_status(dapm, "HSOL")) { + + u8 val = snd_soc_read(codec, TWL6040_REG_HSLCTL); + if (val & TWL6040_HSDACMODE) + /* HSDACL in LP mode */ + return -8; /* -8dB */ + else + /* HSDACL in HP mode */ + return -1; /* -1dB */ + } + return 0; /* 0dB */ +} +EXPORT_SYMBOL_GPL(twl6040_get_dl1_gain); + int twl6040_get_clk_id(struct snd_soc_codec *codec) { struct twl6040_data *priv = snd_soc_codec_get_drvdata(codec); @@ -1397,7 +1420,7 @@ static int twl6040_set_dai_sysclk(struct snd_soc_dai *codec_dai, return 0; } -static struct snd_soc_dai_ops twl6040_dai_ops = { +static const struct snd_soc_dai_ops twl6040_dai_ops = { .startup = twl6040_startup, .hw_params = twl6040_hw_params, .prepare = twl6040_prepare, @@ -1470,7 +1493,7 @@ static struct snd_soc_dai_driver twl6040_dai[] = { }; #ifdef CONFIG_PM -static int twl6040_suspend(struct snd_soc_codec *codec, pm_message_t state) +static int twl6040_suspend(struct snd_soc_codec *codec) { twl6040_set_bias_level(codec, SND_SOC_BIAS_OFF); @@ -1620,17 +1643,7 @@ static struct platform_driver twl6040_codec_driver = { .remove = __devexit_p(twl6040_codec_remove), }; -static int __init twl6040_codec_init(void) -{ - return platform_driver_register(&twl6040_codec_driver); -} -module_init(twl6040_codec_init); - -static void __exit twl6040_codec_exit(void) -{ - platform_driver_unregister(&twl6040_codec_driver); -} -module_exit(twl6040_codec_exit); +module_platform_driver(twl6040_codec_driver); MODULE_DESCRIPTION("ASoC TWL6040 codec driver"); MODULE_AUTHOR("Misael Lopez Cruz"); |