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NFC: pn533: Start listen timer from start_poll

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If we start the polling loop from a listening cycle, we need to start
the corresponding timer as well.
This bug showed up after commit dfccd0f5 as it was impossible to start
from a listening cycle before it.

Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Samuel Ortiz 2013-08-21 15:12:06 +02:00
parent 673088fb42
commit cec4b8edc9
1 changed files with 11 additions and 1 deletions
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12
drivers/nfc/pn533.c
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@ -2027,7 +2027,9 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev,
u32 im_protocols, u32 tm_protocols)
{
struct pn533 *dev = nfc_get_drvdata(nfc_dev);
struct pn533_poll_modulations *cur_mod;
u8 rand_mod;
int rc;
dev_dbg(&dev->interface->dev,
"%s: im protocols 0x%x tm protocols 0x%x\n",
@ -2060,7 +2062,15 @@ static int pn533_start_poll(struct nfc_dev *nfc_dev,
rand_mod %= dev->poll_mod_count;
dev->poll_mod_curr = rand_mod;
return pn533_send_poll_frame(dev);
cur_mod = dev->poll_mod_active[dev->poll_mod_curr];
rc = pn533_send_poll_frame(dev);
/* Start listen timer */
if (!rc && cur_mod->len == 0 && dev->poll_mod_count > 1)
mod_timer(&dev->listen_timer, jiffies + PN533_LISTEN_TIME * HZ);
return rc;
}
static void pn533_stop_poll(struct nfc_dev *nfc_dev)