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NFC: Add dev_up and dev_down control operations

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Add 2 new nfc control operations:
dev_up to turn on the nfc device
dev_down to turn off the nfc device

Signed-off-by: Ilan Elias <ilane@ti.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ilan Elias
2011-09-18 11:19:33 +03:00
committed by John W. Linville
parent a7ce1c9446
commit 8b3fe7b591
6 changed files with 149 additions and 0 deletions
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56
net/nfc/netlink.c
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@@ -367,6 +367,52 @@ out_putdev:
return rc;
}
static int nfc_genl_dev_up(struct sk_buff *skb, struct genl_info *info)
{
struct nfc_dev *dev;
int rc;
u32 idx;
nfc_dbg("entry");
if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
return -EINVAL;
idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
dev = nfc_get_device(idx);
if (!dev)
return -ENODEV;
rc = nfc_dev_up(dev);
nfc_put_device(dev);
return rc;
}
static int nfc_genl_dev_down(struct sk_buff *skb, struct genl_info *info)
{
struct nfc_dev *dev;
int rc;
u32 idx;
nfc_dbg("entry");
if (!info->attrs[NFC_ATTR_DEVICE_INDEX])
return -EINVAL;
idx = nla_get_u32(info->attrs[NFC_ATTR_DEVICE_INDEX]);
dev = nfc_get_device(idx);
if (!dev)
return -ENODEV;
rc = nfc_dev_down(dev);
nfc_put_device(dev);
return rc;
}
static int nfc_genl_start_poll(struct sk_buff *skb, struct genl_info *info)
{
struct nfc_dev *dev;
@@ -440,6 +486,16 @@ static struct genl_ops nfc_genl_ops[] = {
.done = nfc_genl_dump_devices_done,
.policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DEV_UP,
.doit = nfc_genl_dev_up,
.policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_DEV_DOWN,
.doit = nfc_genl_dev_down,
.policy = nfc_genl_policy,
},
{
.cmd = NFC_CMD_START_POLL,
.doit = nfc_genl_start_poll,