#include <linux/mfd/arizona/pdata.h>
#include <linux/mfd/arizona/registers.h>
-#define ARIZONA_NUM_BUTTONS 6
+#define ARIZONA_MAX_MICD_RANGE 8
#define ARIZONA_ACCDET_MODE_MIC 0
#define ARIZONA_ACCDET_MODE_HPL 1
#define ARIZONA_ACCDET_MODE_HPR 2
+#define ARIZONA_HPDET_MAX 10000
+
+#define HPDET_DEBOUNCE 500
+#define DEFAULT_MICD_TIMEOUT 2000
+
struct arizona_extcon_info {
struct device *dev;
struct arizona *arizona;
struct regulator *micvdd;
struct input_dev *input;
+ u16 last_jackdet;
+
int micd_mode;
const struct arizona_micd_config *micd_modes;
int micd_num_modes;
+ const struct arizona_micd_range *micd_ranges;
+ int num_micd_ranges;
+
+ int micd_timeout;
+
bool micd_reva;
bool micd_clamp;
struct delayed_work hpdet_work;
+ struct delayed_work micd_detect_work;
+ struct delayed_work micd_timeout_work;
bool hpdet_active;
bool hpdet_done;
+ bool hpdet_retried;
int num_hpdet_res;
unsigned int hpdet_res[3];
};
static const struct arizona_micd_config micd_default_modes[] = {
- { 0, 2 << ARIZONA_MICD_BIAS_SRC_SHIFT, 1 },
{ ARIZONA_ACCDET_SRC, 1 << ARIZONA_MICD_BIAS_SRC_SHIFT, 0 },
+ { 0, 2 << ARIZONA_MICD_BIAS_SRC_SHIFT, 1 },
};
-static struct {
- u16 status;
- int report;
-} arizona_lvl_to_key[ARIZONA_NUM_BUTTONS] = {
- { 0x1, BTN_0 },
- { 0x2, BTN_1 },
- { 0x4, BTN_2 },
- { 0x8, BTN_3 },
- { 0x10, BTN_4 },
- { 0x20, BTN_5 },
+static const struct arizona_micd_range micd_default_ranges[] = {
+ { .max = 11, .key = BTN_0 },
+ { .max = 28, .key = BTN_1 },
+ { .max = 54, .key = BTN_2 },
+ { .max = 100, .key = BTN_3 },
+ { .max = 186, .key = BTN_4 },
+ { .max = 430, .key = BTN_5 },
+};
+
+static const int arizona_micd_levels[] = {
+ 3, 6, 8, 11, 13, 16, 18, 21, 23, 26, 28, 31, 34, 36, 39, 41, 44, 46,
+ 49, 52, 54, 57, 60, 62, 65, 67, 70, 73, 75, 78, 81, 83, 89, 94, 100,
+ 105, 111, 116, 122, 127, 139, 150, 161, 173, 186, 196, 209, 220, 245,
+ 270, 295, 321, 348, 375, 402, 430, 489, 550, 614, 681, 752, 903, 1071,
+ 1257,
};
#define ARIZONA_CABLE_MECHANICAL 0
NULL,
};
+static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info);
+
+static void arizona_extcon_do_magic(struct arizona_extcon_info *info,
+ unsigned int magic)
+{
+ struct arizona *arizona = info->arizona;
+ int ret;
+
+ mutex_lock(&arizona->dapm->card->dapm_mutex);
+
+ arizona->hpdet_magic = magic;
+
+ /* Keep the HP output stages disabled while doing the magic */
+ if (magic) {
+ ret = regmap_update_bits(arizona->regmap,
+ ARIZONA_OUTPUT_ENABLES_1,
+ ARIZONA_OUT1L_ENA |
+ ARIZONA_OUT1R_ENA, 0);
+ if (ret != 0)
+ dev_warn(arizona->dev,
+ "Failed to disable headphone outputs: %d\n",
+ ret);
+ }
+
+ ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000,
+ magic);
+ if (ret != 0)
+ dev_warn(arizona->dev, "Failed to do magic: %d\n",
+ ret);
+
+ ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000,
+ magic);
+ if (ret != 0)
+ dev_warn(arizona->dev, "Failed to do magic: %d\n",
+ ret);
+
+ /* Restore the desired state while not doing the magic */
+ if (!magic) {
+ ret = regmap_update_bits(arizona->regmap,
+ ARIZONA_OUTPUT_ENABLES_1,
+ ARIZONA_OUT1L_ENA |
+ ARIZONA_OUT1R_ENA, arizona->hp_ena);
+ if (ret != 0)
+ dev_warn(arizona->dev,
+ "Failed to restore headphone outputs: %d\n",
+ ret);
+ }
+
+ mutex_unlock(&arizona->dapm->card->dapm_mutex);
+}
+
static void arizona_extcon_set_mode(struct arizona_extcon_info *info, int mode)
{
struct arizona *arizona = info->arizona;
+ mode %= info->micd_num_modes;
+
if (arizona->pdata.micd_pol_gpio > 0)
gpio_set_value_cansleep(arizona->pdata.micd_pol_gpio,
info->micd_modes[mode].gpio);
/* If we go out of range report top of range */
if (val < 100 || val > 0x3fb) {
dev_dbg(arizona->dev, "Measurement out of range\n");
- return 10000;
+ return ARIZONA_HPDET_MAX;
}
dev_dbg(arizona->dev, "HPDET read %d in range %d\n",
return val;
}
-static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading)
+static int arizona_hpdet_do_id(struct arizona_extcon_info *info, int *reading,
+ bool *mic)
{
struct arizona *arizona = info->arizona;
int id_gpio = arizona->pdata.hpdet_id_gpio;
if (arizona->pdata.hpdet_acc_id) {
info->hpdet_res[info->num_hpdet_res++] = *reading;
- /*
- * If the impedence is too high don't measure the
- * second ground.
- */
- if (info->num_hpdet_res == 1 && *reading >= 45) {
- dev_dbg(arizona->dev, "Skipping ground flip\n");
- info->hpdet_res[info->num_hpdet_res++] = *reading;
- }
-
- if (info->num_hpdet_res == 1) {
- dev_dbg(arizona->dev, "Flipping ground\n");
-
- regmap_update_bits(arizona->regmap,
- ARIZONA_ACCESSORY_DETECT_MODE_1,
- ARIZONA_ACCDET_SRC,
- ~info->micd_modes[0].src);
-
- regmap_update_bits(arizona->regmap,
- ARIZONA_HEADPHONE_DETECT_1,
- ARIZONA_HP_POLL, ARIZONA_HP_POLL);
- return -EAGAIN;
- }
-
/* Only check the mic directly if we didn't already ID it */
- if (id_gpio && info->num_hpdet_res == 2 &&
- !((info->hpdet_res[0] > info->hpdet_res[1] * 2))) {
+ if (id_gpio && info->num_hpdet_res == 1) {
dev_dbg(arizona->dev, "Measuring mic\n");
regmap_update_bits(arizona->regmap,
}
/* OK, got both. Now, compare... */
- dev_dbg(arizona->dev, "HPDET measured %d %d %d\n",
- info->hpdet_res[0], info->hpdet_res[1],
- info->hpdet_res[2]);
-
+ dev_dbg(arizona->dev, "HPDET measured %d %d\n",
+ info->hpdet_res[0], info->hpdet_res[1]);
/* Take the headphone impedance for the main report */
*reading = info->hpdet_res[0];
+ /* Sometimes we get false readings due to slow insert */
+ if (*reading >= ARIZONA_HPDET_MAX && !info->hpdet_retried) {
+ dev_dbg(arizona->dev, "Retrying high impedance\n");
+ info->num_hpdet_res = 0;
+ info->hpdet_retried = true;
+ arizona_start_hpdet_acc_id(info);
+ pm_runtime_put(info->dev);
+ return -EAGAIN;
+ }
+
/*
- * Either the two grounds measure differently or we
- * measure the mic as high impedance.
+ * If we measure the mic as
*/
- if ((info->hpdet_res[0] > info->hpdet_res[1] * 2) ||
- (id_gpio && info->hpdet_res[2] > 10)) {
+ if (!id_gpio || info->hpdet_res[1] > 50) {
dev_dbg(arizona->dev, "Detected mic\n");
- info->mic = true;
+ *mic = true;
info->detecting = true;
} else {
dev_dbg(arizona->dev, "Detected headphone\n");
struct arizona *arizona = info->arizona;
int id_gpio = arizona->pdata.hpdet_id_gpio;
int report = ARIZONA_CABLE_HEADPHONE;
- unsigned int val;
int ret, reading;
+ bool mic = false;
mutex_lock(&info->lock);
ARIZONA_HP_IMPEDANCE_RANGE_MASK | ARIZONA_HP_POLL,
0);
- ret = arizona_hpdet_do_id(info, &reading);
+ ret = arizona_hpdet_do_id(info, &reading, &mic);
if (ret == -EAGAIN) {
goto out;
} else if (ret < 0) {
dev_err(arizona->dev, "Failed to report HP/line: %d\n",
ret);
- mutex_lock(&arizona->dapm->card->dapm_mutex);
-
- ret = regmap_read(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, &val);
- if (ret != 0) {
- dev_err(arizona->dev, "Failed to read output enables: %d\n",
- ret);
- val = 0;
- }
-
- if (!(val & (ARIZONA_OUT1L_ENA | ARIZONA_OUT1R_ENA))) {
- ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to undo magic: %d\n",
- ret);
-
- ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to undo magic: %d\n",
- ret);
- }
-
- mutex_unlock(&arizona->dapm->card->dapm_mutex);
+ arizona_extcon_do_magic(info, 0);
done:
if (id_gpio)
ARIZONA_ACCDET_MODE_MASK, ARIZONA_ACCDET_MODE_MIC);
/* If we have a mic then reenable MICDET */
- if (info->mic)
+ if (mic || info->mic)
arizona_start_mic(info);
if (info->hpdet_active) {
if (info->mic)
arizona_stop_mic(info);
- ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000, 0x4000);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to do magic: %d\n", ret);
-
- ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000, 0x4000);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to do magic: %d\n", ret);
+ arizona_extcon_do_magic(info, 0x4000);
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ACCESSORY_DETECT_MODE_1,
static void arizona_start_hpdet_acc_id(struct arizona_extcon_info *info)
{
struct arizona *arizona = info->arizona;
- unsigned int val;
+ int hp_reading = 32;
+ bool mic;
int ret;
dev_dbg(arizona->dev, "Starting identification via HPDET\n");
info->hpdet_active = true;
- arizona_extcon_pulse_micbias(info);
-
- mutex_lock(&arizona->dapm->card->dapm_mutex);
-
- ret = regmap_read(arizona->regmap, ARIZONA_OUTPUT_ENABLES_1, &val);
- if (ret != 0) {
- dev_err(arizona->dev, "Failed to read output enables: %d\n",
- ret);
- val = 0;
- }
-
- if (!(val & (ARIZONA_OUT1L_ENA | ARIZONA_OUT1R_ENA))) {
- ret = regmap_update_bits(arizona->regmap, 0x225, 0x4000,
- 0x4000);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to do magic: %d\n",
- ret);
-
- ret = regmap_update_bits(arizona->regmap, 0x226, 0x4000,
- 0x4000);
- if (ret != 0)
- dev_warn(arizona->dev, "Failed to do magic: %d\n",
- ret);
- }
-
- mutex_unlock(&arizona->dapm->card->dapm_mutex);
+ arizona_extcon_do_magic(info, 0x4000);
ret = regmap_update_bits(arizona->regmap,
ARIZONA_ACCESSORY_DETECT_MODE_1,
goto err;
}
- ret = regmap_update_bits(arizona->regmap, ARIZONA_HEADPHONE_DETECT_1,
- ARIZONA_HP_POLL, ARIZONA_HP_POLL);
- if (ret != 0) {
- dev_err(arizona->dev, "Can't start HPDETL measurement: %d\n",
- ret);
- goto err;
+ if (arizona->pdata.hpdet_acc_id_line) {
+ ret = regmap_update_bits(arizona->regmap,
+ ARIZONA_HEADPHONE_DETECT_1,
+ ARIZONA_HP_POLL, ARIZONA_HP_POLL);
+ if (ret != 0) {
+ dev_err(arizona->dev,
+ "Can't start HPDETL measurement: %d\n",
+ ret);
+ goto err;
+ }
+ } else {
+ arizona_hpdet_do_id(info, &hp_reading, &mic);
}
return;
info->hpdet_active = false;
}
-static irqreturn_t arizona_micdet(int irq, void *data)
+static void arizona_micd_timeout_work(struct work_struct *work)
{
- struct arizona_extcon_info *info = data;
+ struct arizona_extcon_info *info = container_of(work,
+ struct arizona_extcon_info,
+ micd_timeout_work.work);
+
+ mutex_lock(&info->lock);
+
+ dev_dbg(info->arizona->dev, "MICD timed out, reporting HP\n");
+ arizona_identify_headphone(info);
+
+ info->detecting = false;
+
+ arizona_stop_mic(info);
+
+ mutex_unlock(&info->lock);
+}
+
+static void arizona_micd_detect(struct work_struct *work)
+{
+ struct arizona_extcon_info *info = container_of(work,
+ struct arizona_extcon_info,
+ micd_detect_work.work);
struct arizona *arizona = info->arizona;
- unsigned int val, lvl;
- int ret, i;
+ unsigned int val = 0, lvl;
+ int ret, i, key;
+
+ cancel_delayed_work_sync(&info->micd_timeout_work);
mutex_lock(&info->lock);
- ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val);
- if (ret != 0) {
- dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret);
- mutex_unlock(&info->lock);
- return IRQ_NONE;
- }
+ for (i = 0; i < 10 && !(val & 0x7fc); i++) {
+ ret = regmap_read(arizona->regmap, ARIZONA_MIC_DETECT_3, &val);
+ if (ret != 0) {
+ dev_err(arizona->dev, "Failed to read MICDET: %d\n", ret);
+ mutex_unlock(&info->lock);
+ return;
+ }
- dev_dbg(arizona->dev, "MICDET: %x\n", val);
+ dev_dbg(arizona->dev, "MICDET: %x\n", val);
+
+ if (!(val & ARIZONA_MICD_VALID)) {
+ dev_warn(arizona->dev, "Microphone detection state invalid\n");
+ mutex_unlock(&info->lock);
+ return;
+ }
+ }
- if (!(val & ARIZONA_MICD_VALID)) {
- dev_warn(arizona->dev, "Microphone detection state invalid\n");
+ if (i == 10 && !(val & 0x7fc)) {
+ dev_err(arizona->dev, "Failed to get valid MICDET value\n");
mutex_unlock(&info->lock);
- return IRQ_NONE;
+ return;
}
/* Due to jack detect this should never happen */
* impedence then give up and report headphones.
*/
if (info->detecting && (val & 0x3f8)) {
- if (info->jack_flips >= info->micd_num_modes) {
+ if (info->jack_flips >= info->micd_num_modes * 10) {
dev_dbg(arizona->dev, "Detected HP/line\n");
arizona_identify_headphone(info);
lvl = val & ARIZONA_MICD_LVL_MASK;
lvl >>= ARIZONA_MICD_LVL_SHIFT;
- for (i = 0; i < ARIZONA_NUM_BUTTONS; i++)
- if (lvl & arizona_lvl_to_key[i].status)
- input_report_key(info->input,
- arizona_lvl_to_key[i].report,
- 1);
- input_sync(info->input);
+ for (i = 0; i < info->num_micd_ranges; i++)
+ input_report_key(info->input,
+ info->micd_ranges[i].key, 0);
+
+ WARN_ON(!lvl);
+ WARN_ON(ffs(lvl) - 1 >= info->num_micd_ranges);
+ if (lvl && ffs(lvl) - 1 < info->num_micd_ranges) {
+ key = info->micd_ranges[ffs(lvl) - 1].key;
+ input_report_key(info->input, key, 1);
+ input_sync(info->input);
+ }
} else if (info->detecting) {
dev_dbg(arizona->dev, "Headphone detected\n");
}
} else {
dev_dbg(arizona->dev, "Mic button released\n");
- for (i = 0; i < ARIZONA_NUM_BUTTONS; i++)
+ for (i = 0; i < info->num_micd_ranges; i++)
input_report_key(info->input,
- arizona_lvl_to_key[i].report, 0);
+ info->micd_ranges[i].key, 0);
input_sync(info->input);
arizona_extcon_pulse_micbias(info);
}
handled:
+ if (info->detecting)
+ schedule_delayed_work(&info->micd_timeout_work,
+ msecs_to_jiffies(info->micd_timeout));
+
pm_runtime_mark_last_busy(info->dev);
mutex_unlock(&info->lock);
+}
+
+static irqreturn_t arizona_micdet(int irq, void *data)
+{
+ struct arizona_extcon_info *info = data;
+ struct arizona *arizona = info->arizona;
+ int debounce = arizona->pdata.micd_detect_debounce;
+
+ cancel_delayed_work_sync(&info->micd_detect_work);
+ cancel_delayed_work_sync(&info->micd_timeout_work);
+
+ mutex_lock(&info->lock);
+ if (!info->detecting)
+ debounce = 0;
+ mutex_unlock(&info->lock);
+
+ if (debounce)
+ schedule_delayed_work(&info->micd_detect_work,
+ msecs_to_jiffies(debounce));
+ else
+ arizona_micd_detect(&info->micd_detect_work.work);
return IRQ_HANDLED;
}
struct arizona_extcon_info *info = data;
struct arizona *arizona = info->arizona;
unsigned int val, present, mask;
+ bool cancelled_hp, cancelled_mic;
int ret, i;
- pm_runtime_get_sync(info->dev);
+ cancelled_hp = cancel_delayed_work_sync(&info->hpdet_work);
+ cancelled_mic = cancel_delayed_work_sync(&info->micd_timeout_work);
- cancel_delayed_work_sync(&info->hpdet_work);
+ pm_runtime_get_sync(info->dev);
mutex_lock(&info->lock);
return IRQ_NONE;
}
- if ((val & mask) == present) {
+ val &= mask;
+ if (val == info->last_jackdet) {
+ dev_dbg(arizona->dev, "Suppressing duplicate JACKDET\n");
+ if (cancelled_hp)
+ schedule_delayed_work(&info->hpdet_work,
+ msecs_to_jiffies(HPDET_DEBOUNCE));
+
+ if (cancelled_mic)
+ schedule_delayed_work(&info->micd_timeout_work,
+ msecs_to_jiffies(info->micd_timeout));
+
+ goto out;
+ }
+ info->last_jackdet = val;
+
+ if (info->last_jackdet == present) {
dev_dbg(arizona->dev, "Detected jack\n");
ret = extcon_set_cable_state_(&info->edev,
ARIZONA_CABLE_MECHANICAL, true);
arizona_start_mic(info);
} else {
schedule_delayed_work(&info->hpdet_work,
- msecs_to_jiffies(250));
+ msecs_to_jiffies(HPDET_DEBOUNCE));
}
regmap_update_bits(arizona->regmap,
info->hpdet_res[i] = 0;
info->mic = false;
info->hpdet_done = false;
+ info->hpdet_retried = false;
- for (i = 0; i < ARIZONA_NUM_BUTTONS; i++)
+ for (i = 0; i < info->num_micd_ranges; i++)
input_report_key(info->input,
- arizona_lvl_to_key[i].report, 0);
+ info->micd_ranges[i].key, 0);
input_sync(info->input);
ret = extcon_update_state(&info->edev, 0xffffffff, 0);
ARIZONA_MICD_CLAMP_DB | ARIZONA_JD1_DB);
}
+ if (arizona->pdata.micd_timeout)
+ info->micd_timeout = arizona->pdata.micd_timeout;
+ else
+ info->micd_timeout = DEFAULT_MICD_TIMEOUT;
+
/* Clear trig_sts to make sure DCVDD is not forced up */
regmap_write(arizona->regmap, ARIZONA_AOD_WKUP_AND_TRIG,
ARIZONA_MICD_CLAMP_FALL_TRIG_STS |
ARIZONA_JD1_FALL_TRIG_STS |
ARIZONA_JD1_RISE_TRIG_STS);
+out:
mutex_unlock(&info->lock);
pm_runtime_mark_last_busy(info->dev);
return IRQ_HANDLED;
}
+/* Map a level onto a slot in the register bank */
+static void arizona_micd_set_level(struct arizona *arizona, int index,
+ unsigned int level)
+{
+ int reg;
+ unsigned int mask;
+
+ reg = ARIZONA_MIC_DETECT_LEVEL_4 - (index / 2);
+
+ if (!(index % 2)) {
+ mask = 0x3f00;
+ level <<= 8;
+ } else {
+ mask = 0x3f;
+ }
+
+ /* Program the level itself */
+ regmap_update_bits(arizona->regmap, reg, mask, level);
+}
+
static int arizona_extcon_probe(struct platform_device *pdev)
{
struct arizona *arizona = dev_get_drvdata(pdev->dev.parent);
struct arizona_pdata *pdata;
struct arizona_extcon_info *info;
+ unsigned int val;
int jack_irq_fall, jack_irq_rise;
- int ret, mode, i;
+ int ret, mode, i, j;
if (!arizona->dapm || !arizona->dapm->card)
return -EPROBE_DEFER;
mutex_init(&info->lock);
info->arizona = arizona;
info->dev = &pdev->dev;
+ info->last_jackdet = ~(ARIZONA_MICD_CLAMP_STS | ARIZONA_JD1_STS);
INIT_DELAYED_WORK(&info->hpdet_work, arizona_hpdet_work);
+ INIT_DELAYED_WORK(&info->micd_detect_work, arizona_micd_detect);
+ INIT_DELAYED_WORK(&info->micd_timeout_work, arizona_micd_timeout_work);
platform_set_drvdata(pdev, info);
switch (arizona->type) {
goto err;
}
+ info->input = devm_input_allocate_device(&pdev->dev);
+ if (!info->input) {
+ dev_err(arizona->dev, "Can't allocate input dev\n");
+ ret = -ENOMEM;
+ goto err_register;
+ }
+
+ info->input->name = "Headset";
+ info->input->phys = "arizona/extcon";
+ info->input->dev.parent = &pdev->dev;
+
if (pdata->num_micd_configs) {
info->micd_modes = pdata->micd_configs;
info->micd_num_modes = pdata->num_micd_configs;
arizona->pdata.micd_dbtime
<< ARIZONA_MICD_DBTIME_SHIFT);
+ BUILD_BUG_ON(ARRAY_SIZE(arizona_micd_levels) != 0x40);
+
+ if (arizona->pdata.num_micd_ranges) {
+ info->micd_ranges = pdata->micd_ranges;
+ info->num_micd_ranges = pdata->num_micd_ranges;
+ } else {
+ info->micd_ranges = micd_default_ranges;
+ info->num_micd_ranges = ARRAY_SIZE(micd_default_ranges);
+ }
+
+ if (arizona->pdata.num_micd_ranges > ARIZONA_MAX_MICD_RANGE) {
+ dev_err(arizona->dev, "Too many MICD ranges: %d\n",
+ arizona->pdata.num_micd_ranges);
+ }
+
+ if (info->num_micd_ranges > 1) {
+ for (i = 1; i < info->num_micd_ranges; i++) {
+ if (info->micd_ranges[i - 1].max >
+ info->micd_ranges[i].max) {
+ dev_err(arizona->dev,
+ "MICD ranges must be sorted\n");
+ ret = -EINVAL;
+ goto err_input;
+ }
+ }
+ }
+
+ /* Disable all buttons by default */
+ regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2,
+ ARIZONA_MICD_LVL_SEL_MASK, 0x81);
+
+ /* Set up all the buttons the user specified */
+ for (i = 0; i < info->num_micd_ranges; i++) {
+ for (j = 0; j < ARRAY_SIZE(arizona_micd_levels); j++)
+ if (arizona_micd_levels[j] >= info->micd_ranges[i].max)
+ break;
+
+ if (j == ARRAY_SIZE(arizona_micd_levels)) {
+ dev_err(arizona->dev, "Unsupported MICD level %d\n",
+ info->micd_ranges[i].max);
+ ret = -EINVAL;
+ goto err_input;
+ }
+
+ dev_dbg(arizona->dev, "%d ohms for MICD threshold %d\n",
+ arizona_micd_levels[j], i);
+
+ arizona_micd_set_level(arizona, i, j);
+ input_set_capability(info->input, EV_KEY,
+ info->micd_ranges[i].key);
+
+ /* Enable reporting of that range */
+ regmap_update_bits(arizona->regmap, ARIZONA_MIC_DETECT_2,
+ 1 << i, 1 << i);
+ }
+
+ /* Set all the remaining keys to a maximum */
+ for (; i < ARIZONA_MAX_MICD_RANGE; i++)
+ arizona_micd_set_level(arizona, i, 0x3f);
+
/*
* If we have a clamp use it, activating in conjunction with
* GPIO5 if that is connected for jack detect operation.
*/
if (info->micd_clamp) {
if (arizona->pdata.jd_gpio5) {
- /* Put the GPIO into input mode */
+ /* Put the GPIO into input mode with optional pull */
+ val = 0xc101;
+ if (arizona->pdata.jd_gpio5_nopull)
+ val &= ~ARIZONA_GPN_PU;
+
regmap_write(arizona->regmap, ARIZONA_GPIO5_CTRL,
- 0xc101);
+ val);
regmap_update_bits(arizona->regmap,
ARIZONA_MICD_CLAMP_CONTROL,
arizona_extcon_set_mode(info, 0);
- info->input = devm_input_allocate_device(&pdev->dev);
- if (!info->input) {
- dev_err(arizona->dev, "Can't allocate input dev\n");
- ret = -ENOMEM;
- goto err_register;
- }
-
- for (i = 0; i < ARIZONA_NUM_BUTTONS; i++)
- input_set_capability(info->input, EV_KEY,
- arizona_lvl_to_key[i].report);
- info->input->name = "Headset";
- info->input->phys = "arizona/extcon";
- info->input->dev.parent = &pdev->dev;
-
pm_runtime_enable(&pdev->dev);
pm_runtime_idle(&pdev->dev);
pm_runtime_get_sync(&pdev->dev);
projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blobdiff