diff options
| author | Manoj Gangwal <mgangwal@nvidia.com> | 2012-02-28 18:51:55 +0530 |
|---|---|---|
| committer | Simone Willett <swillett@nvidia.com> | 2012-03-02 17:52:45 -0800 |
| commit | 2f1547fd357c90df9532740e6019a9141b9aeff3 (patch) | |
| tree | 1066de15c0f89276147b63a45164aff34ab6030a /sound/soc/codecs/rt5640.c | |
| parent | 6dc6dc55db9eebc83373e7bb3ef42e92ee77c8f7 (diff) | |
asoc: codecs: Add Headset detect support for ALC5639/40
Add support for headset detection for ALC5639/40
codec for kai board.
Bug 937914
Change-Id: I0bb9e913601c37a1cc8f7094fbdd3885aeec92b3
Signed-off-by: Manoj Gangwal <mgangwal@nvidia.com>
Reviewed-on: http://git-master/r/86348
Reviewed-by: Chandler Zhang <chazhang@nvidia.com>
Tested-by: Chandler Zhang <chazhang@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
Reviewed-by: Sumit Bhattacharya <sumitb@nvidia.com>
Diffstat (limited to 'sound/soc/codecs/rt5640.c')
| -rw-r--r-- | sound/soc/codecs/rt5640.c | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/sound/soc/codecs/rt5640.c b/sound/soc/codecs/rt5640.c index fdfa6b5f13e7..dfeb1dce9d29 100644 --- a/sound/soc/codecs/rt5640.c +++ b/sound/soc/codecs/rt5640.c @@ -419,6 +419,41 @@ static int rt5640_readable_register( } } +int rt5640_headset_detect(struct snd_soc_codec *codec, int jack_insert) +{ + int jack_type; + + if (jack_insert) { + snd_soc_update_bits(codec, RT5640_PWR_ANLG1, + RT5640_PWR_LDO2, RT5640_PWR_LDO2); + snd_soc_update_bits(codec, RT5640_PWR_ANLG2, + RT5640_PWR_MB1, RT5640_PWR_MB1); + snd_soc_update_bits(codec, RT5640_MICBIAS, + RT5640_MIC1_OVCD_MASK | RT5640_MIC1_OVTH_MASK | + RT5640_PWR_CLK25M_MASK | RT5640_PWR_MB_MASK, + RT5640_MIC1_OVCD_EN | RT5640_MIC1_OVTH_600UA | + RT5640_PWR_MB_PU | RT5640_PWR_CLK25M_PU); + snd_soc_update_bits(codec, RT5640_DUMMY1, + 0x1, 0x1); + msleep(50); + if (snd_soc_read(codec, RT5640_IRQ_CTRL2) & 0x8) + jack_type = RT5640_HEADPHO_DET; + else + jack_type = RT5640_HEADSET_DET; + snd_soc_update_bits(codec, RT5640_IRQ_CTRL2, + RT5640_MB1_OC_CLR, 0); + } else { + snd_soc_update_bits(codec, RT5640_MICBIAS, + RT5640_MIC1_OVCD_MASK, + RT5640_MIC1_OVCD_DIS); + + jack_type = RT5640_NO_JACK; + } + + return jack_type; +} +EXPORT_SYMBOL(rt5640_headset_detect); + static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -4650, 150, 0); static const DECLARE_TLV_DB_SCALE(dac_vol_tlv, -65625, 375, 0); static const DECLARE_TLV_DB_SCALE(in_vol_tlv, -3450, 150, 0); |