@@ -240,7 +240,6 @@ struct ov02e10 {
struct clk *img_clk;
struct regulator *avdd;
struct gpio_desc *reset;
- struct gpio_desc *handshake;
/* Current mode */
const struct ov02e10_mode *cur_mode;
@@ -533,12 +532,6 @@ static int ov02e10_get_pm_resources(struct device *dev)
return dev_err_probe(dev, PTR_ERR(ov02e10->reset),
"failed to get reset gpio\n");
- ov02e10->handshake = devm_gpiod_get_optional(dev, "handshake",
- GPIOD_OUT_LOW);
- if (IS_ERR(ov02e10->handshake))
- return dev_err_probe(dev, PTR_ERR(ov02e10->handshake),
- "failed to get handshake gpio\n");
-
ov02e10->img_clk = devm_clk_get_optional(dev, NULL);
if (IS_ERR(ov02e10->img_clk))
return dev_err_probe(dev, PTR_ERR(ov02e10->img_clk),
@@ -563,7 +556,6 @@ static int ov02e10_power_off(struct device *dev)
int ret = 0;
gpiod_set_value_cansleep(ov02e10->reset, 1);
- gpiod_set_value_cansleep(ov02e10->handshake, 0);
if (ov02e10->avdd)
ret = regulator_disable(ov02e10->avdd);
@@ -593,14 +585,8 @@ static int ov02e10_power_on(struct device *dev)
return ret;
}
}
- gpiod_set_value_cansleep(ov02e10->handshake, 1);
gpiod_set_value_cansleep(ov02e10->reset, 0);
- /* Lattice MIPI aggregator with some version FW needs longer delay
- after handshake triggered. We set 25ms as a safe value and wait
- for a stable version FW. */
- msleep_interruptible(25);
-
return ret;
}
The IPU6 handshake GPIO signals to the FPGA on IPU6/IPU7 laptops and as such is not a sensor signal. Hans has a proposal for handling those GPIOs below. Dropf from the incoming sensor driver. link: https://lore.kernel.org/linux-media/4b87a956-a767-48dc-b98b-f80d9a44adc8@redhat.com Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> --- drivers/media/i2c/ov02e10.c | 14 -------------- 1 file changed, 14 deletions(-)