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Commit 453bd317 authored by Yandong Yang's avatar Yandong Yang
Browse files

ASoc: wcd: mbhc: Change keycode mapping and linein_th 



1. Change the key code mapping of buttons as below
 according to Android L spec.

Button0 0-70 ohm - hook key
Button1 110-180 ohm - voice assist
Button2 210-290 ohm - volume up
Button3 360-680 ohm - volume down

2. Report SW_LINEOUT_INSERT
if headset speaker impedance is larger than 5 Kohm

CRs-Fixed: 863767
Change-Id: Icb12e00a2839e11ef6b947b158c58e9e0f1404b2
Signed-off-by: default avatarWalter Yang <yandongy@codeaurora.org>
parent d5dab523

sound/soc/msm/msm8996.c

+14 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ 
#include <linux/io.h>

#include <linux/module.h>

#include <linux/switch.h>

#include <linux/input.h>

#include <sound/core.h>

#include <sound/soc.h>

#include <sound/soc-dapm.h>
@@ -154,6 +155,10 @@ static int msm_snd_enable_codec_ext_clk(struct snd_soc_codec *codec, 
					int enable, bool dapm);

static int msm8996_wsa881x_init(struct snd_soc_component *component);



/*

 * Need to report LINEIN

 * if R/L channel impedance is larger than 5K ohm

 */

static struct wcd_mbhc_config wcd_mbhc_cfg = {

	.read_fw_bin = false,

	.calibration = NULL,
@@ -161,6 +166,15 @@ static struct wcd_mbhc_config wcd_mbhc_cfg = { 
	.mono_stero_detection = false,

	.swap_gnd_mic = NULL,

	.hs_ext_micbias = true,

	.key_code[0] = KEY_MEDIA,

	.key_code[1] = KEY_VOICECOMMAND,

	.key_code[2] = KEY_VOLUMEUP,

	.key_code[3] = KEY_VOLUMEDOWN,

	.key_code[4] = 0,

	.key_code[5] = 0,

	.key_code[6] = 0,

	.key_code[7] = 0,

	.linein_th = 5000,

};



static struct wcd9xxx_mbhc_config mbhc_cfg = {