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Commit 9f7b07d6 authored by Daniel Ribeiro's avatar Daniel Ribeiro Committed by Samuel Ortiz
Browse files

mfd: Introduce irq_to_pcap() 



Export an irq_to_pcap function to get pcap irq number, for the keypad driver.

Signed-off-by: default avatarDaniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: default avatarSamuel Ortiz <sameo@linux.intel.com>
parent dfc3aa72

drivers/mfd/ezx-pcap.c

+5 −4
Original line number Diff line number Diff line
@@ -107,10 +107,11 @@ int ezx_pcap_read(struct pcap_chip *pcap, u8 reg_num, u32 *value) 
EXPORT_SYMBOL_GPL(ezx_pcap_read);



/* IRQ */

static inline unsigned int irq2pcap(struct pcap_chip *pcap, int irq)

int irq_to_pcap(struct pcap_chip *pcap, int irq)

{

	return 1 << (irq - pcap->irq_base);

	return irq - pcap->irq_base;

}

EXPORT_SYMBOL_GPL(irq_to_pcap);



int pcap_to_irq(struct pcap_chip *pcap, int irq)

{
@@ -122,7 +123,7 @@ static void pcap_mask_irq(unsigned int irq) 
{

	struct pcap_chip *pcap = get_irq_chip_data(irq);



	pcap->msr |= irq2pcap(pcap, irq);

	pcap->msr |= 1 << irq_to_pcap(pcap, irq);

	queue_work(pcap->workqueue, &pcap->msr_work);

}
@@ -130,7 +131,7 @@ static void pcap_unmask_irq(unsigned int irq) 
{

	struct pcap_chip *pcap = get_irq_chip_data(irq);



	pcap->msr &= ~irq2pcap(pcap, irq);

	pcap->msr &= ~(1 << irq_to_pcap(pcap, irq));

	queue_work(pcap->workqueue, &pcap->msr_work);

}

include/linux/mfd/ezx-pcap.h

+1 −0
Original line number Diff line number Diff line
@@ -26,6 +26,7 @@ struct pcap_chip; 
int ezx_pcap_write(struct pcap_chip *, u8, u32);

int ezx_pcap_read(struct pcap_chip *, u8, u32 *);

int pcap_to_irq(struct pcap_chip *, int);

int irq_to_pcap(struct pcap_chip *, int);

int pcap_adc_async(struct pcap_chip *, u8, u32, u8[], void *, void *);

int pcap_adc_sync(struct pcap_chip *, u8, u32, u8[], u16[]);