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media: ov08x40: Get clock on ACPI platforms too

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ACPI platforms might also have a clk provider which needs to be controlled,
always try to get a clk using clk_get_optional() and when that fails fall
back to getting the xvclk frequency from the "clock-frequency" property.

Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
This commit is contained in:
Hans de Goede 2024-12-20 15:41:24 +01:00 committed by Hans Verkuil
parent 6cdde1bbef
commit e354dc1d6d
1 changed files with 7 additions and 9 deletions
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16
drivers/media/i2c/ov08x40.c
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@ -2175,15 +2175,13 @@ static int ov08x40_check_hwcfg(struct ov08x40 *ov08x, struct device *dev)
if (ret)
goto out_err;
if (!is_acpi_node(fwnode)) {
ov08x->xvclk = devm_clk_get(dev, NULL);
if (IS_ERR(ov08x->xvclk)) {
dev_err(dev, "could not get xvclk clock (%pe)\n",
ov08x->xvclk);
ret = PTR_ERR(ov08x->xvclk);
goto out_err;
}
ov08x->xvclk = devm_clk_get_optional(dev, NULL);
if (IS_ERR(ov08x->xvclk)) {
ret = dev_err_probe(dev, PTR_ERR(ov08x->xvclk),
"getting xvclk\n");
goto out_err;
}
if (ov08x->xvclk) {
xvclk_rate = clk_get_rate(ov08x->xvclk);
} else {
ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency",