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[media] smiapp: Make clock control optional 

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@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Sakari Ailus 2017-08-29 09:41:25 -03:00 committed by Mauro Carvalho Chehab
parent de10c1619c
commit ccec44cc91
1 changed files with 4 additions and 1 deletions
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5
drivers/media/i2c/smiapp/smiapp-core.c
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@ -2892,7 +2892,10 @@ static int smiapp_probe(struct i2c_client *client,
} }
sensor->ext_clk = devm_clk_get(&client->dev, NULL); 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", dev_err(&client->dev, "could not get clock (%ld)\n",
PTR_ERR(sensor->ext_clk)); PTR_ERR(sensor->ext_clk));
return -EPROBE_DEFER; return -EPROBE_DEFER;