static void max97236_jack_event(struct max97236_priv *max97236)
{
unsigned int status_reg[3];
regmap_read(max97236->regmap, M97236_REG_00_STATUS1, &status_reg[0]);
regmap_read(max97236->regmap, M97236_REG_01_STATUS2, &status_reg[1]);
/* Key press or jack removal? */
if ((status_reg[0] & M97236_IMBH_MASK) ||
(status_reg[0] & M97236_IMCSW_MASK) ||
(status_reg[1] & M97236_IKEY_MASK)) {
max97236_keypress(max97236, status_reg);
} else {
if (max97236_jacksw_active(max97236))
goto max97236_jack_event_10;
regmap_update_bits(max97236->regmap, M97236_REG_07_LEFT_VOLUME,
M97236_MUTEL_MASK, M97236_MUTEL_MASK);
regmap_update_bits(max97236->regmap, M97236_REG_08_RIGHT_VOLUME,
M97236_MUTER_MASK, M97236_MUTER_MASK);
regmap_write(max97236->regmap, M97236_REG_19_STATE_FORCING,
M97236_STATE_FLOAT);
regmap_update_bits(max97236->regmap, M97236_REG_1D_ENABLE_1,
M97236_SHDNN_MASK, 0);
status_reg[0] = 0;
status_reg[1] = 0;
status_reg[2] = 0;
max97236_report_jack_state(max97236, status_reg);
}
max97236_jack_event_10:
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_0);
return;
}
static void max97236_jack_event(struct max97236_priv *max97236)
{
unsigned int status_reg[3];
int count;
regmap_read(max97236->regmap, M97236_REG_00_STATUS1,
&status_reg[0]);
regmap_read(max97236->regmap, M97236_REG_01_STATUS2,
&status_reg[1]);
/* First check for a key press */
if (((status_reg[0] & M97236_IMBH_MASK) ||
(status_reg[0] & M97236_IMCSW_MASK) ||
(status_reg[1] & M97236_IKEY_MASK)) &&
(status_reg[0] & 0x80)) {
max97236_keypress(max97236, status_reg);
} else {
if (max97236_jacksw_active(max97236))
goto max97236_jack_event_10;
count = 30;
do {
msleep(20);
regmap_read(max97236->regmap,
M97236_REG_00_STATUS1,
&status_reg[0]);
} while (((status_reg[0] & 0x80) == 0x80) && --count);
regmap_read(max97236->regmap, M97236_REG_00_STATUS1,
&status_reg[0]);
regmap_read(max97236->regmap, M97236_REG_01_STATUS2,
&status_reg[1]);
regmap_read(max97236->regmap, M97236_REG_02_STATUS3,
&status_reg[2]);
/* test for jack switch malfunction indication */
if ((status_reg[1] & M97236_IJACKSWINC_MASK) &&
(status_reg[0] & 0x80))
pr_err("JACKSWINC set\n");
max97236_report_jack_state(max97236, status_reg);
if (max97236->jack_state == M97236_JACK_STATE_NONE) {
regmap_update_bits(max97236->regmap,
M97236_REG_07_LEFT_VOLUME,
M97236_MUTEL_MASK, M97236_MUTEL_MASK);
regmap_update_bits(max97236->regmap,
M97236_REG_08_RIGHT_VOLUME,
M97236_MUTER_MASK, M97236_MUTER_MASK);
regmap_update_bits(max97236->regmap,
M97236_REG_1D_ENABLE_1,
M97236_SHDNN_MASK, 0);
}
}
max97236_jack_event_10:
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_1);
return;
}
static void max97236_jack_plugged(struct max97236_priv *max97236)
{
unsigned int status_reg[3];
int count;
if (!max97236_jacksw_active(max97236))
goto max97236_jack_plugged_20;
msleep(250);
regmap_update_bits(max97236->regmap, M97236_REG_1D_ENABLE_1,
M97236_SHDNN_MASK,
M97236_SHDNN_MASK);
max97236_jack_plugged_10:
max97236_reset(max97236);
count = M97236_DEFAULT_JACK_DETECT_DELAY;
do {
msleep(20);
regmap_read(max97236->regmap, M97236_REG_00_STATUS1,
&status_reg[0]);
} while (((status_reg[0] & M97236_DDONE_MASK) != M97236_DDONE_MASK) &&
--count);
regmap_read(max97236->regmap, M97236_REG_00_STATUS1, &status_reg[0]);
regmap_read(max97236->regmap, M97236_REG_01_STATUS2, &status_reg[1]);
regmap_read(max97236->regmap, M97236_REG_02_STATUS3, &status_reg[2]);
pr_info("%s: status 0x%02X, 0x%02X, count %d\n", __func__, status_reg[0], status_reg[1], count);
max97236_report_jack_state(max97236, status_reg);
if (!max97236_jacksw_active(max97236)) {
goto max97236_jack_plugged_10;
}
if (max97236->jack_state == SND_JACK_HEADSET)
max97236->ignore_int = 1;
max97236_jack_plugged_20:
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_1);
}
static void max97236_jack_plugged(struct max97236_priv *max97236)
{
unsigned int status_reg[3] = {0, 0, 0};
int retries = M97236_DEFAULT_RETRIES;
int force_value = 0;
int count;
wake_lock(&wakelock);
/* Check for spurious interrupt */
if (!max97236_jacksw_active(max97236)) {
max97236_jack_event(max97236);
goto max97236_jack_plugged_30;
}
#if 1
/* Start debounce while periodically verifying jack presence */
for (count = 0; count < 24; count++) {
msleep(40);
if (!max97236_jacksw_active(max97236)) {
max97236_jack_event(max97236);
goto max97236_jack_plugged_30;
}
}
#else
msleep(750);
#endif
max97236_jack_plugged_10:
if (!max97236_jacksw_active(max97236)) {
max97236_jack_event(max97236);
goto max97236_jack_plugged_30;
}
max97236_begin_detect(max97236);
count = 10;
do {
msleep(20);
regmap_read(max97236->regmap, M97236_REG_00_STATUS1,
&status_reg[0]);
} while (((status_reg[0] & 0x40) != 0x40) && --count);
status_reg[0] = max97236_get_detect_result(max97236);
max97236_translate_detected(status_reg, &force_value);
if(retries<5 && status_reg[1] == 0xCC && status_reg[2] == 0xCC){
if (status_reg[0] & 0x08) {
force_value = 0x02;
status_reg[0] = 0x8c;
status_reg[1] = 0x30;
status_reg[2] = 0x03;
}else{
force_value = 0x12;
status_reg[0] = 0x84;
status_reg[1] = 0x30;
status_reg[2] = 0x03;
}
}else if(status_reg[1] == 0xCC && status_reg[2] == 0xCC){
status_reg[0] = 0x0;
}
if (status_reg[0] != 0) {
regmap_write(max97236->regmap, M97236_REG_20_TEST_ENABLE_2,
0x00);
regmap_write(max97236->regmap, M97236_REG_19_STATE_FORCING,
force_value);
regmap_update_bits(max97236->regmap,
M97236_REG_19_STATE_FORCING, 0x20, 0x00);
regmap_update_bits(max97236->regmap, M97236_REG_1D_ENABLE_1,
M97236_SHDNN_MASK, M97236_SHDNN_MASK);
} else {
max97236_end_detect(max97236);
if (--retries)
goto max97236_jack_plugged_10;
}
max97236_jack_plugged_20:
max97236_report_jack_state(max97236, status_reg);
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_0);
if (max97236->jack_state == SND_JACK_HEADSET)
max97236_ignore_key_ints(max97236);
if ((max97236->jack_state == M97236_JACK_STATE_NONE) ||
(max97236->jack_state == M97236_JACK_STATE_UNKNOWN)) {
if (verbosity)
pr_info("%s: M97236_STATE_FLOAT set\n", __func__);
regmap_write(max97236->regmap,
M97236_REG_19_STATE_FORCING, M97236_STATE_FLOAT);
} else {
if (!max97236_jacksw_active(max97236)) {
status_reg[0] = 0;
status_reg[1] = 0;
goto max97236_jack_plugged_20;
}
}
wake_unlock(&wakelock);
return;
max97236_jack_plugged_30:
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_0);
wake_unlock(&wakelock);
}
static void max97236_jack_event(struct max97236_priv *max97236)
{
unsigned int status_reg[3];
int i;
int test_value = 0;
wake_lock(&wakelock_h);
regmap_read(max97236->regmap, M97236_REG_00_STATUS1, &status_reg[0]);
regmap_read(max97236->regmap, M97236_REG_01_STATUS2, &status_reg[1]);
/* Overwrite above code using board id */
if (board_info.board_id == BOARD_E1690) {
test_value = 0;
} else { /* ERS */
test_value = 4;
}
/* Key press or jack removal? */
/* For Key press, it need make sure it is headset connected */
for (i = 0; i < 4; i++) {
if ((status_reg[0] & M97236_JACKSW_MASK) == test_value) {
break;
} else {
msleep(20);
regmap_read(max97236->regmap,
M97236_REG_00_STATUS1, &status_reg[0]);
regmap_read(max97236->regmap,
M97236_REG_01_STATUS2, &status_reg[1]);
}
}
if (((status_reg[0] & M97236_IMBH_MASK) ||
(status_reg[0] & M97236_IMCSW_MASK) ||
(status_reg[1] & M97236_IKEY_MASK)) &&
(status_reg[0] & M97236_JACKSW_MASK) == test_value)
{
/* headset detect feature WJ 21/01/14 */
if (max97236_jacksw_active(max97236)){
max97236_keypress(max97236, status_reg);
}else{
regmap_update_bits(max97236->regmap, M97236_REG_07_LEFT_VOLUME,
M97236_MUTEL_MASK, M97236_MUTEL_MASK);
regmap_update_bits(max97236->regmap, M97236_REG_08_RIGHT_VOLUME,
M97236_MUTER_MASK, M97236_MUTER_MASK);
regmap_write(max97236->regmap, M97236_REG_23_TEST_DATA_3, 0x00);
regmap_write(max97236->regmap, M97236_REG_19_STATE_FORCING,
M97236_STATE_FLOAT);
regmap_update_bits(max97236->regmap, M97236_REG_1D_ENABLE_1,
M97236_SHDNN_MASK, 0);
status_reg[0] = 0;
status_reg[1] = 0;
status_reg[2] = 0;
max97236_report_jack_state(max97236, status_reg);
}
/* headset detect feature WJ 21/01/14 end*/
} else {
if (max97236_jacksw_active(max97236))
goto max97236_jack_event_10;
regmap_update_bits(max97236->regmap, M97236_REG_07_LEFT_VOLUME,
M97236_MUTEL_MASK, M97236_MUTEL_MASK);
regmap_update_bits(max97236->regmap, M97236_REG_08_RIGHT_VOLUME,
M97236_MUTER_MASK, M97236_MUTER_MASK);
regmap_write(max97236->regmap, M97236_REG_23_TEST_DATA_3, 0x00);
regmap_write(max97236->regmap, M97236_REG_19_STATE_FORCING,
M97236_STATE_FLOAT);
if (verbosity)
pr_info("%s: M97236_STATE_FLOAT set\n", __func__);
regmap_update_bits(max97236->regmap, M97236_REG_1D_ENABLE_1,
M97236_SHDNN_MASK, 0);
status_reg[0] = 0;
status_reg[1] = 0;
status_reg[2] = 0;
max97236_report_jack_state(max97236, status_reg);
}
max97236_jack_event_10:
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_0);
wake_unlock(&wakelock_h);
return;
}
static void max97236_jack_plugged(struct max97236_priv *max97236)
{
unsigned int status_reg[3] = {0, 0, 0};
int retries = M97236_DEFAULT_RETRIES;
int test_number = 1;
int force_value = 0;
int count;
/* Check for spurious interrupt */
if (!max97236_jacksw_active(max97236))
goto max97236_jack_plugged_30;
/* Start debounce while periodically verifying jack presence */
for (count = 0; count < 24; count++) {
msleep(20);
if (!max97236_jacksw_active(max97236))
goto max97236_jack_plugged_30;
}
max97236_jack_plugged_10:
if (!max97236_jacksw_active(max97236))
goto max97236_jack_plugged_30;
max97236_begin_detect(max97236, test_number);
count = 10;
do {
msleep(20);
regmap_read(max97236->regmap, M97236_REG_00_STATUS1,
&status_reg[0]);
} while (((status_reg[0] & 0x40) != 0x40) && --count);
status_reg[0] = max97236_get_detect_result(max97236);
max97236_translate_detected(status_reg, &force_value);
max97236_end_detect(max97236);
if (status_reg[0] != 0) {
regmap_write(max97236->regmap, M97236_REG_19_STATE_FORCING,
force_value);
regmap_update_bits(max97236->regmap,
M97236_REG_19_STATE_FORCING, 0x20, 0x00);
regmap_update_bits(max97236->regmap, M97236_REG_1D_ENABLE_1,
M97236_SHDNN_MASK, M97236_SHDNN_MASK);
} else {
if (--retries) {
goto max97236_jack_plugged_10;
}
regmap_write(max97236->regmap, M97236_REG_19_STATE_FORCING,
force_value);
regmap_update_bits(max97236->regmap,
M97236_REG_19_STATE_FORCING, 0x20, 0x00);
}
max97236_jack_plugged_20:
max97236_report_jack_state(max97236, status_reg);
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_0);
if (max97236->jack_state == SND_JACK_HEADSET)
#ifdef IGNORE_KEY_INT_FUNCTION_ENABLED
max97236_ignore_key_ints(max97236);
#else
max97236->ignore_int = 1;
#endif
if ((max97236->jack_state == M97236_JACK_STATE_NONE) ||
(max97236->jack_state == M97236_JACK_STATE_UNKNOWN)) {
regmap_write(max97236->regmap,
M97236_REG_19_STATE_FORCING, M97236_STATE_FLOAT);
} else {
if (!max97236_jacksw_active(max97236)) {
status_reg[0] = 0;
status_reg[1] = 0;
goto max97236_jack_plugged_20;
}
}
return;
max97236_jack_plugged_30:
max97236_configure_for_detection(max97236, M97236_AUTO_MODE_0);
}