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mfd: cpcap-whisper: Only hold wake lock during debouncing

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Only need to hold the wake lock during debouncing.  This change allows
the device to suspend when docks are attached, resulting in better
current drain.

Change-Id: Ieb72bacc5da3678a25a70a34620faa0c8620cbd2
Signed-off-by: Greg Meiste <w30289@motorola.com>
This commit is contained in:
Greg Meiste
2010-12-17 11:41:19 -06:00
committed by Benoit Goby
parent a1cbec0cd4
commit b4e1103d37
1 changed files with 3 additions and 2 deletions
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5
drivers/mfd/cpcap-whisper.c
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@@ -170,7 +170,6 @@ static DEVICE_ATTR(dock_prop, S_IRUGO | S_IWUSR, dock_prop_show, NULL);
static void vusb_enable(struct cpcap_whisper_data *data)
{
if (!data->is_vusb_enabled) {
wake_lock(&data->wake_lock);
regulator_enable(data->regulator);
data->is_vusb_enabled = 1;
}
@@ -179,7 +178,6 @@ static void vusb_enable(struct cpcap_whisper_data *data)
static void vusb_disable(struct cpcap_whisper_data *data)
{
if (data->is_vusb_enabled) {
wake_unlock(&data->wake_lock);
regulator_disable(data->regulator);
data->is_vusb_enabled = 0;
}
@@ -339,6 +337,8 @@ static void whisper_notify(struct cpcap_whisper_data *di, enum cpcap_accy accy)
memset(di->dock_prop, 0, CPCAP_WHISPER_PROP_SIZE);
tegra_cpcap_audio_dock_state(false);
}
wake_lock_timeout(&di->wake_lock, HZ / 2);
}
static void whisper_audio_check(struct cpcap_whisper_data *di)
@@ -387,6 +387,7 @@ static void whisper_det_work(struct work_struct *work)
switch (data->state) {
case CONFIG:
wake_lock(&data->wake_lock);
vusb_enable(data);
cpcap_irq_mask(data->cpcap, CPCAP_IRQ_CHRG_DET);
cpcap_irq_mask(data->cpcap, CPCAP_IRQ_IDFLOAT);