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authorSakari Ailus <sakari.ailus@linux.intel.com>2018-11-30 17:30:48 -0500
committerMauro Carvalho Chehab <mchehab+samsung@kernel.org>2019-01-16 12:43:11 -0500
commitb9da9b376711f61d0e3c3e419ee348249ca2bd80 (patch)
tree45e537c014e6198198420d4fff118972885ea322 /drivers/media/pci
parent19c624c6b29e244c418f8b44a711cbf5e82e3cd4 (diff)
media: ipu3-cio2: Allow probe to succeed if there are no sensors connected
The device won't be powered off on systems that have no sensors connected unless it has a driver bound to it. Allow that to happen even if there are no sensors connected to cio2. Reviewed-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com> Tested-by: Rajneesh Bhardwaj <rajneesh.bhardwaj@linux.intel.com> Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/pci')
-rw-r--r--drivers/media/pci/intel/ipu3/ipu3-cio2.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/media/pci/intel/ipu3/ipu3-cio2.c b/drivers/media/pci/intel/ipu3/ipu3-cio2.c
index 447baaebca44..e281e55cdca4 100644
--- a/drivers/media/pci/intel/ipu3/ipu3-cio2.c
+++ b/drivers/media/pci/intel/ipu3/ipu3-cio2.c
@@ -1810,7 +1810,8 @@ static int cio2_pci_probe(struct pci_dev *pci_dev,
/* Register notifier for subdevices we care */
r = cio2_notifier_init(cio2);
- if (r)
+ /* Proceed without sensors connected to allow the device to suspend. */
+ if (r && r != -ENODEV)
goto fail_cio2_queue_exit;
r = devm_request_irq(&pci_dev->dev, pci_dev->irq, cio2_irq,