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mfd: cpcap-whisper: Ignore the SE1 bit to detect host mode

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The Nexus One data pins are in the SE1 state until vbus is powered.
Ignore the SE1 bit to fix host mode detection when a Nexus One is
attached.

Change-Id: Ia2314b26acdb1d20fa0a43812f88c232c919cba3
Signed-off-by: Benoit Goby <benoit@android.com>
This commit is contained in:
Benoit Goby 2010-08-11 16:53:42 -07:00 committed by Colin Cross
parent 7833216d52
commit efddedb611
1 changed files with 2 additions and 1 deletions
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3
drivers/mfd/cpcap-whisper.c
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@ -42,6 +42,7 @@
CPCAP_BIT_SESSVLD_S)
#define SENSE_USB_HOST (CPCAP_BIT_ID_GROUND_S)
#define SENSE_USB_HOST_MASK (~CPCAP_BIT_SE1_S)
#define SENSE_FACTORY (CPCAP_BIT_ID_FLOAT_S | \
CPCAP_BIT_ID_GROUND_S | \
@ -403,7 +404,7 @@ static void whisper_det_work(struct work_struct *work)
/* Special handling of USB undetect. */
data->state = USB;
} else if (data->sense == SENSE_USB_HOST) {
} else if ((data->sense & SENSE_USB_HOST_MASK) == SENSE_USB_HOST) {
whisper_notify(data, CPCAP_ACCY_USB_HOST);
cpcap_irq_unmask(data->cpcap, CPCAP_IRQ_IDFLOAT);