Commit 2f23ecbf authored by Sakari Ailus's avatar Sakari Ailus Committed by Mauro Carvalho Chehab
Browse files

media: ccs: Add a sanity check for external clock frequency 



The driver depends on the external clock frequency. Add a sanity check for
the frequency, by returning an error from probe if it's zero.

Signed-off-by: default avatarSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+huawei@kernel.org>
parent 2fed6c84

drivers/media/i2c/ccs/ccs-core.c

+5 −0
Original line number Diff line number Diff line
@@ -3275,6 +3275,11 @@ static int ccs_probe(struct i2c_client *client) 
		return -EINVAL;

	}



	if (!sensor->hwcfg.ext_clk) {

		dev_err(&client->dev, "cannot work with xclk frequency 0\n");

		return -EINVAL;

	}



	sensor->reset = devm_gpiod_get_optional(&client->dev, "reset",

						GPIOD_OUT_HIGH);

	if (IS_ERR(sensor->reset))