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elanspi: Do not allow image captures to be interrupted

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Avoid unexpected state changes during image capture. This also means
that the old line handler does not need to check for cancellation.
This commit is contained in:
Benjamin Berg
2021-12-27 12:13:55 +01:00
parent 7b1fe6ec19
commit 664126b431
1 changed files with 7 additions and 14 deletions
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21
libfprint/drivers/elanspi.c
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@@ -434,21 +434,9 @@ elanspi_capture_old_line_handler (FpiSpiTransfer *transfer, FpDevice *dev, gpoin
self->old_data.line_ptr += 1;
/* if there is still data, continue from check lineready */
if (self->old_data.line_ptr < self->sensor_height)
{
fpi_ssm_jump_to_state (transfer->ssm, ELANSPI_CAPTOLD_CHECK_LINEREADY);
}
fpi_ssm_jump_to_state (transfer->ssm, ELANSPI_CAPTOLD_CHECK_LINEREADY);
else
{
/* check for cancellation */
if (fpi_device_action_is_cancelled (dev))
{
g_cancellable_set_error_if_cancelled (fpi_device_get_cancellable (dev), &error);
fpi_ssm_mark_failed (transfer->ssm, error);
return;
}
/* otherwise finish succesfully */
fpi_ssm_mark_completed (transfer->ssm);
}
fpi_ssm_mark_completed (transfer->ssm);
}
static void
@@ -607,6 +595,7 @@ elanspi_calibrate_old_handler (FpiSsm *ssm, FpDevice *dev)
case ELANSPI_CALIBOLD_DACFINE_CAPTURE:
chld = fpi_ssm_new (dev, elanspi_capture_old_handler, ELANSPI_CAPTOLD_NSTATES);
fpi_ssm_silence_debug (chld);
fpi_ssm_set_critical (chld);
fpi_ssm_start_subsm (ssm, chld);
return;
@@ -862,6 +851,7 @@ elanspi_calibrate_hv_handler (FpiSsm *ssm, FpDevice *dev)
case ELANSPI_CALIBHV_CAPTURE:
chld = fpi_ssm_new (dev, elanspi_capture_hv_handler, ELANSPI_CAPTHV_NSTATES);
fpi_ssm_silence_debug (chld);
fpi_ssm_set_critical (chld);
fpi_ssm_start_subsm (ssm, chld);
return;
@@ -1118,6 +1108,7 @@ do_sw_reset:
else
chld = fpi_ssm_new_full (dev, elanspi_calibrate_old_handler, ELANSPI_CALIBOLD_NSTATES, ELANSPI_CALIBOLD_PROTECT, "old calibrate");
fpi_ssm_silence_debug (chld);
fpi_ssm_set_critical (chld);
fpi_ssm_start_subsm (ssm, chld);
return;
@@ -1127,6 +1118,7 @@ do_sw_reset:
else
chld = fpi_ssm_new (dev, elanspi_capture_old_handler, ELANSPI_CAPTOLD_NSTATES);
fpi_ssm_silence_debug (chld);
fpi_ssm_set_critical (chld);
fpi_ssm_start_subsm (ssm, chld);
return;
@@ -1500,6 +1492,7 @@ elanspi_fp_capture_ssm_handler (FpiSsm *ssm, FpDevice *dev)
else
chld = fpi_ssm_new (dev, elanspi_capture_old_handler, ELANSPI_CAPTOLD_NSTATES);
fpi_ssm_silence_debug (chld);
fpi_ssm_set_critical (chld);
fpi_ssm_start_subsm (ssm, chld);
return;