reset_gpio needs to be an output and set to GPIOD_OUT_LOW, to ensure lt6911uxe is in reset state during probe.
This issue was found on the onboard lt6911uxe, where the reset_pin was not reset, causing the lt6911uxe to fail to probe.
Fixes: e49563c3be09d4 ("media: i2c: add lt6911uxe hdmi bridge driver") Cc: stable@vger.kernel.org Signed-off-by: Dongcheng Yan dongcheng.yan@intel.com --- drivers/media/i2c/lt6911uxe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/media/i2c/lt6911uxe.c b/drivers/media/i2c/lt6911uxe.c index c5b40bb58a37..4e2109db0145 100644 --- a/drivers/media/i2c/lt6911uxe.c +++ b/drivers/media/i2c/lt6911uxe.c @@ -600,7 +600,7 @@ static int lt6911uxe_probe(struct i2c_client *client)
v4l2_i2c_subdev_init(<6911uxe->sd, client, <6911uxe_subdev_ops);
- lt6911uxe->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_IN); + lt6911uxe->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(lt6911uxe->reset_gpio)) return dev_err_probe(dev, PTR_ERR(lt6911uxe->reset_gpio), "failed to get reset gpio\n");
base-commit: f2151613e040973c868d28c8b00885dfab69eb75 prerequisite-patch-id: 6cade6d98fab1ea36ed59fe5502d7d2457180ca5