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NFC: Add support to get NFC interface type

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Add new ioctl NFC_GET_PLATFORM_TYPE to get the NFC
interface type. This is used by the NFC HAL to 
do the firmware download according to the interface
type.

Change-Id: I45e8c4814e04348daa88c8b7a026bd44fa84163a
Signed-off-by: Karthik Poosa <kpoosa2@codeaurora.org>
This commit is contained in:
Karthik Poosa 2020-01-20 13:06:22 +05:30
commit af944fff10
2 changed files with 4 additions and 0 deletions
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3
drivers/nfc/qti/nfc_common.c
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@ -530,6 +530,9 @@ long nfc_dev_ioctl(struct file *pfile, unsigned int cmd, unsigned long arg)
case NFCC_GET_INFO:
ret = nfc_ioctl_nfcc_info(pfile, arg);
break;
case NFC_GET_PLATFORM_TYPE:
ret = nfc_dev->interface;
break;
default:
pr_err("%s bad cmd %lu\n", __func__, arg);
ret = -ENOIOCTLCMD;

1
drivers/nfc/qti/nfc_common.h
View file

@ -79,6 +79,7 @@
#define NFC_SET_PWR _IOW(NFC_MAGIC, 0x01, unsigned int)
#define ESE_SET_PWR _IOW(NFC_MAGIC, 0x02, unsigned int)
#define ESE_GET_PWR _IOR(NFC_MAGIC, 0x03, unsigned int)
#define NFC_GET_PLATFORM_TYPE _IO(NFC_MAGIC, 0x04)
#define DTS_IRQ_GPIO_STR "qcom,sn-irq"
#define DTS_VEN_GPIO_STR "qcom,sn-ven"