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ASoc: wcd: mbhc: Add key code assignment function

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Add key code assignment function in mbhc driver.
Need to assign keycode from machine driver if required.

CRs-Fixed: 847625
Change-Id: Ifcc433532c9b99132c7627205d6a9af4e144a30b
Signed-off-by: Walter Yang <yandongy@codeaurora.org>
This commit is contained in:
Yandong Yang 2015-07-01 10:36:16 +08:00
parent bafa8ed2c0
commit f6b07a45c7
2 changed files with 65 additions and 1 deletions
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62
sound/soc/codecs/wcd9xxx-mbhc.c
View file

@ -4536,6 +4536,64 @@ static void wcd9xxx_cleanup_debugfs(struct wcd9xxx_mbhc *mbhc)
}
#endif
int wcd9xxx_mbhc_set_keycode(struct wcd9xxx_mbhc *mbhc)
{
enum snd_jack_types type;
int i, ret, result = 0;
int *btn_key_code;
btn_key_code = mbhc->mbhc_cfg->key_code;
for (i = 0 ; i < 8 ; i++) {
if (btn_key_code[i] != 0) {
switch (i) {
case 0:
type = SND_JACK_BTN_0;
break;
case 1:
type = SND_JACK_BTN_1;
break;
case 2:
type = SND_JACK_BTN_2;
break;
case 3:
type = SND_JACK_BTN_3;
break;
case 4:
type = SND_JACK_BTN_4;
break;
case 5:
type = SND_JACK_BTN_5;
break;
case 6:
type = SND_JACK_BTN_6;
break;
case 7:
type = SND_JACK_BTN_7;
break;
default:
WARN_ONCE(1, "Wrong button number:%d\n", i);
result = -1;
break;
}
ret = snd_jack_set_key(mbhc->button_jack.jack,
type,
btn_key_code[i]);
if (ret) {
pr_err("%s: Failed to set code for %d\n",
__func__, btn_key_code[i]);
result = -1;
}
input_set_capability(
mbhc->button_jack.jack->input_dev,
EV_KEY, btn_key_code[i]);
pr_debug("%s: set btn%d key code:%d\n", __func__,
i, btn_key_code[i]);
}
}
return result;
}
int wcd9xxx_mbhc_start(struct wcd9xxx_mbhc *mbhc,
struct wcd9xxx_mbhc_config *mbhc_cfg)
{
@ -4559,6 +4617,10 @@ int wcd9xxx_mbhc_start(struct wcd9xxx_mbhc *mbhc,
/* Save mbhc config */
mbhc->mbhc_cfg = mbhc_cfg;
/* Set btn key code */
if (wcd9xxx_mbhc_set_keycode(mbhc))
pr_err("Set btn key code error!!!\n");
/* Get HW specific mbhc registers' address */
wcd9xxx_get_mbhc_micbias_regs(mbhc, MBHC_PRIMARY_MIC_MB);

4
sound/soc/codecs/wcd9xxx-mbhc.h
View file

@ -1,4 +1,4 @@
/* Copyright (c) 2012-2014, The Linux Foundation. All rights reserved.
/* Copyright (c) 2012-2015, 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
@ -275,6 +275,7 @@ struct wcd9xxx_mbhc_config {
bool use_vddio_meas;
bool enable_anc_mic_detect;
enum hw_jack_type hw_jack_type;
int key_code[8];
};
struct wcd9xxx_cfilt_mode {
@ -470,6 +471,7 @@ struct wcd9xxx_mbhc {
(cfg_ptr->_n_rload * \
(sizeof(cfg_ptr->_rload[0]) + sizeof(cfg_ptr->_alpha[0]))))
int wcd9xxx_mbhc_set_keycode(struct wcd9xxx_mbhc *mbhc);
int wcd9xxx_mbhc_start(struct wcd9xxx_mbhc *mbhc,
struct wcd9xxx_mbhc_config *mbhc_cfg);
void wcd9xxx_mbhc_stop(struct wcd9xxx_mbhc *mbhc);