diff options
| author | Yeleswarapu Nagaradhesh <nagaradh@codeaurora.org> | 2016-05-05 12:31:14 +0530 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-07-08 17:59:00 -0700 |
| commit | ed10e07bf0790cd5eb10c845d064ca9d916395f7 (patch) | |
| tree | 744040b71413d0180afb91e90f673e7ef381edc1 | |
| parent | 1f1574bb1837ce7ee0bf24c40a178cdcbf2932da (diff) | |
ASoC: wcd-mbhc: enable micbias for special headset
Enable micbias at 2.7v for special headset till
headset is removed, to avoid fake electrical removal interrupts.
CRs-Fixed: 982110
Change-Id: I6643973a3b506d7f920e611ca51f06df94cc5a94
Signed-off-by: Yeleswarapu Nagaradhesh <nagaradh@codeaurora.org>
| -rw-r--r-- | sound/soc/codecs/wcd-mbhc-v2.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/sound/soc/codecs/wcd-mbhc-v2.c b/sound/soc/codecs/wcd-mbhc-v2.c index 36ab897b8dc0..37d336fbb1b6 100644 --- a/sound/soc/codecs/wcd-mbhc-v2.c +++ b/sound/soc/codecs/wcd-mbhc-v2.c @@ -315,12 +315,17 @@ out_micb_en: mbhc->is_hs_recording); break; case WCD_EVENT_POST_MICBIAS_2_OFF: + if (!mbhc->mbhc_cb->mbhc_micbias_control) + mbhc->is_hs_recording = false; + if (mbhc->micbias_enable) { + wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); + break; + } + if (mbhc->mbhc_cb->set_auto_zeroing) mbhc->mbhc_cb->set_auto_zeroing(codec, false); - if (mbhc->mbhc_cb->set_micbias_value) + if (mbhc->mbhc_cb->set_micbias_value && !mbhc->micbias_enable) mbhc->mbhc_cb->set_micbias_value(codec); - if (!mbhc->mbhc_cb->mbhc_micbias_control) - mbhc->is_hs_recording = false; /* Enable PULL UP if PA's are enabled */ if ((test_bit(WCD_MBHC_EVENT_PA_HPHL, &mbhc->event_state)) || (test_bit(WCD_MBHC_EVENT_PA_HPHR, @@ -578,6 +583,10 @@ static void wcd_mbhc_report_plug(struct wcd_mbhc *mbhc, int insertion, mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( mbhc->codec, MIC_BIAS_2, false); + if (mbhc->mbhc_cb->set_micbias_value) { + mbhc->mbhc_cb->set_micbias_value(mbhc->codec); + WCD_MBHC_REG_UPDATE_BITS(WCD_MBHC_MICB_CTRL, 0); + } mbhc->micbias_enable = false; } @@ -611,6 +620,12 @@ static void wcd_mbhc_report_plug(struct wcd_mbhc *mbhc, int insertion, mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( mbhc->codec, MIC_BIAS_2, false); + if (mbhc->mbhc_cb->set_micbias_value) { + mbhc->mbhc_cb->set_micbias_value( + mbhc->codec); + WCD_MBHC_REG_UPDATE_BITS( + WCD_MBHC_MICB_CTRL, 0); + } mbhc->micbias_enable = false; } mbhc->hph_type = WCD_MBHC_HPH_NONE; @@ -979,7 +994,7 @@ static bool wcd_is_special_headset(struct wcd_mbhc *mbhc) mbhc->mbhc_cb->mbhc_common_micb_ctrl(codec, MBHC_COMMON_MICB_PRECHARGE, false); - if (mbhc->mbhc_cb->set_micbias_value) + if (mbhc->mbhc_cb->set_micbias_value && !mbhc->micbias_enable) mbhc->mbhc_cb->set_micbias_value(codec); if (mbhc->mbhc_cb->set_auto_zeroing) mbhc->mbhc_cb->set_auto_zeroing(codec, false); @@ -1039,7 +1054,7 @@ static void wcd_enable_mbhc_supply(struct wcd_mbhc *mbhc, wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); } else { if (plug_type == MBHC_PLUG_TYPE_HEADSET) { - if (mbhc->is_hs_recording) + if (mbhc->is_hs_recording || mbhc->micbias_enable) wcd_enable_curr_micbias(mbhc, WCD_MBHC_EN_MB); else if ((test_bit(WCD_MBHC_EVENT_PA_HPHL, @@ -1192,6 +1207,9 @@ correct_plug_type: if (mbhc->micbias_enable) { mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( mbhc->codec, MIC_BIAS_2, false); + if (mbhc->mbhc_cb->set_micbias_value) + mbhc->mbhc_cb->set_micbias_value( + mbhc->codec); mbhc->micbias_enable = false; } goto exit; @@ -1214,6 +1232,9 @@ correct_plug_type: if (mbhc->micbias_enable) { mbhc->mbhc_cb->mbhc_micb_ctrl_thr_mic( mbhc->codec, MIC_BIAS_2, false); + if (mbhc->mbhc_cb->set_micbias_value) + mbhc->mbhc_cb->set_micbias_value( + mbhc->codec); mbhc->micbias_enable = false; } goto exit; |