The clock control is not explicitly controlled by the driver in two cases:
ACPI based systems and when the clock is part of the power sequence of the
camera module.
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
---
drivers/media/i2c/smiapp/smiapp-core.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/drivers/media/i2c/smiapp/smiapp-core.c b/drivers/media/i2c/smiapp/smiapp-core.c
index caf376c..9ed1b86 100644
--- a/drivers/media/i2c/smiapp/smiapp-core.c
+++ b/drivers/media/i2c/smiapp/smiapp-core.c
@@ -2883,7 +2883,10 @@ static int smiapp_probe(struct i2c_client *client,
}
sensor->ext_clk = devm_clk_get(&client->dev, NULL);
- if (IS_ERR(sensor->ext_clk)) {
+ if (PTR_ERR(sensor->ext_clk) == -ENOENT) {
+ dev_info(&client->dev, "no clock defined, continuing...\n");
+ sensor->ext_clk = NULL;
+ } else if (IS_ERR(sensor->ext_clk)) {
dev_err(&client->dev, "could not get clock (%ld)\n",
PTR_ERR(sensor->ext_clk));
return -EPROBE_DEFER;
--
2.1.4
