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mfd: New mc13783 function exposing flags

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This is needed for the mc13783-adc driver to decide if a touch screen is
connected.  If so some channels are not available as generic hwmon inputs.

Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Uwe Kleine-König 2010-08-02 11:14:17 +02:00 committed by Samuel Ortiz
parent 789133b7b4
commit 3b16bb539c
2 changed files with 8 additions and 0 deletions
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6
drivers/mfd/mc13783-core.c
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@ -226,6 +226,12 @@ int mc13783_reg_rmw(struct mc13783 *mc13783, unsigned int offset,
} }
EXPORT_SYMBOL(mc13783_reg_rmw); EXPORT_SYMBOL(mc13783_reg_rmw);
int mc13783_get_flags(struct mc13783 *mc13783)
{
return mc13783->flags;
}
EXPORT_SYMBOL(mc13783_get_flags);
int mc13783_irq_mask(struct mc13783 *mc13783, int irq) int mc13783_irq_mask(struct mc13783 *mc13783, int irq)
{ {
int ret; int ret;

2
include/linux/mfd/mc13783.h
View file

@ -21,6 +21,8 @@ int mc13783_reg_write(struct mc13783 *mc13783, unsigned int offset, u32 val);
int mc13783_reg_rmw(struct mc13783 *mc13783, unsigned int offset, int mc13783_reg_rmw(struct mc13783 *mc13783, unsigned int offset,
u32 mask, u32 val); u32 mask, u32 val);
int mc13783_get_flags(struct mc13783 *mc13783);
int mc13783_irq_request(struct mc13783 *mc13783, int irq, int mc13783_irq_request(struct mc13783 *mc13783, int irq,
irq_handler_t handler, const char *name, void *dev); irq_handler_t handler, const char *name, void *dev);
int mc13783_irq_request_nounmask(struct mc13783 *mc13783, int irq, int mc13783_irq_request_nounmask(struct mc13783 *mc13783, int irq,