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| author | Bingbu Cao <bingbu.cao@intel.com> | 2021-07-06 11:18:49 +0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+huawei@kernel.org> | 2021-08-04 14:43:51 +0200 |
| commit | d84a2e4900ff43daba4e19b0a7cc56326fe8642a (patch) | |
| tree | c65cea985d4ab7bc63b5962c07379bf4af6da91d /drivers/media | |
| parent | 0e2b8552660c5e3f9416c252e42632e780cdbb7b (diff) | |
| download | linux-d84a2e4900ff43daba4e19b0a7cc56326fe8642a.tar.gz linux-d84a2e4900ff43daba4e19b0a7cc56326fe8642a.tar.bz2 linux-d84a2e4900ff43daba4e19b0a7cc56326fe8642a.zip | |
media: ov8856: ignore gpio and regulator for ov8856 with ACPI
For ov8856 working with ACPI, it does not depend on the reset gpio
and regulator to do reset and power control, so should get the gpio
and regulator for non-ACPI cases only, otherwise it will break ov8856
with ACPI.
[Sakari Ailus: Wrap a line over 80 chars.]
Signed-off-by: Bingbu Cao <bingbu.cao@intel.com>
Signed-off-by: Tianshu Qiu <tian.shu.qiu@intel.com>
Cc: Robert Foss <robert.foss@linaro.org>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/i2c/ov8856.c | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/drivers/media/i2c/ov8856.c b/drivers/media/i2c/ov8856.c index 88e19f30d376..aa74744b91c7 100644 --- a/drivers/media/i2c/ov8856.c +++ b/drivers/media/i2c/ov8856.c @@ -2304,25 +2304,26 @@ static int ov8856_get_hwcfg(struct ov8856 *ov8856, struct device *dev) clk_set_rate(ov8856->xvclk, xvclk_rate); xvclk_rate = clk_get_rate(ov8856->xvclk); + + ov8856->reset_gpio = devm_gpiod_get_optional(dev, "reset", + GPIOD_OUT_LOW); + if (IS_ERR(ov8856->reset_gpio)) + return PTR_ERR(ov8856->reset_gpio); + + for (i = 0; i < ARRAY_SIZE(ov8856_supply_names); i++) + ov8856->supplies[i].supply = ov8856_supply_names[i]; + + ret = devm_regulator_bulk_get(dev, + ARRAY_SIZE(ov8856_supply_names), + ov8856->supplies); + if (ret) + return ret; } if (xvclk_rate != OV8856_XVCLK_19_2) dev_warn(dev, "external clock rate %u is unsupported", xvclk_rate); - ov8856->reset_gpio = devm_gpiod_get_optional(dev, "reset", - GPIOD_OUT_LOW); - if (IS_ERR(ov8856->reset_gpio)) - return PTR_ERR(ov8856->reset_gpio); - - for (i = 0; i < ARRAY_SIZE(ov8856_supply_names); i++) - ov8856->supplies[i].supply = ov8856_supply_names[i]; - - ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(ov8856_supply_names), - ov8856->supplies); - if (ret) - return ret; - ep = fwnode_graph_get_next_endpoint(fwnode, NULL); if (!ep) return -ENXIO; |