mfd: Introduce irq_to_pcap()

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

Signed-off-by: Daniel Ribeiro <drwyrm@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/linux/mfd/ezx-pcap.h b/include/linux/mfd/ezx-pcap.h
index c12c3c0932bf..6296b4935a1e 100644
--- a/include/linux/mfd/ezx-pcap.h
+++ b/include/linux/mfd/ezx-pcap.h
@@ -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[]);