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Commit ad99d1b1 authored by Meng Wang's avatar Meng Wang
Browse files

ASoC: wcd9335: Add support to enable ANC 



ANC(Active Noise Cancellation) is used to reduce surround
noise that arrives at user's ear-drum by capturing background noise
through microphones and actively projecting anti-noise through
receiver or headset.
Enable ANC functionality for handset and headset on WCD9335 codec.

Change-Id: I512e045ff0d4b39238bbfa86f521eb55a4ebb625
Signed-off-by: default avatarMeng Wang <mwang@codeaurora.org>
parent d80ce5a5

sound/soc/codecs/wcd9335.c

+653 −7

File changed.

Preview size limit exceeded, changes collapsed.

sound/soc/codecs/wcd9xxx-common-v2.h

+5 −0
Original line number Diff line number Diff line
@@ -125,6 +125,11 @@ struct wcd_mad_audio_cal { 
	struct wcd_mad_rms_ultrasound_info ultrasound_info;

} __packed;



struct wcd9xxx_anc_header {

	u32 reserved[3];

	u32 num_anc_slots;

};



extern void wcd_clsh_fsm(struct snd_soc_codec *codec,

		struct wcd_clsh_cdc_data *cdc_clsh_d,

		u8 clsh_event, u8 req_state,

sound/soc/codecs/wcdcal-hwdep.c

+2 −2
Original line number Diff line number Diff line 
/*

 * Copyright (c) 2014, The Linux Foundation. All rights reserved.

 * Copyright (c) 2015, The Linux Foundation. All rights reserved.

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 and
@@ -20,7 +20,7 @@ 
#include "wcdcal-hwdep.h"



const int cal_size_info[WCD9XXX_MAX_CAL] = {

	[WCD9XXX_ANC_CAL] = 8192,

	[WCD9XXX_ANC_CAL] = 16384,

	[WCD9XXX_MBHC_CAL] = 4096,

	[WCD9XXX_MAD_CAL] = 4096,

};