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media: i2c: gc2053 add power-gpios

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: Ibdf6400e56b72378a41c2ef1cc6e4f2a56ea2a7e
This commit is contained in:
Zefa Chen
2020-08-17 17:05:15 +08:00
committed by Tao Huang
parent 52cf176411
commit 46e4dbc2fd
1 changed files with 15 additions and 5 deletions
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20
drivers/media/i2c/gc2053.c
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@@ -118,6 +118,7 @@ struct gc2053 {
struct clk *xvclk;
struct gpio_desc *reset_gpio;
struct gpio_desc *pwdn_gpio;
struct gpio_desc *power_gpio;
struct regulator_bulk_data supplies[GC2053_NUM_SUPPLIES];
struct pinctrl *pinctrl;
@@ -726,17 +727,20 @@ static int __gc2053_power_on(struct gc2053 *gc2053)
dev_err(dev, "Failed to enable regulators\n");
goto disable_clk;
}
if (!IS_ERR(gc2053->reset_gpio))
if (!IS_ERR(gc2053->power_gpio)) {
gpiod_set_value_cansleep(gc2053->power_gpio, 1);
usleep_range(100, 200);
}
if (!IS_ERR(gc2053->reset_gpio)) {
gpiod_set_value_cansleep(gc2053->reset_gpio, 1);
usleep_range(1000, 2000);
usleep_range(100, 200);
}
if (!IS_ERR(gc2053->pwdn_gpio))
gpiod_set_value_cansleep(gc2053->pwdn_gpio, 0);
if (!IS_ERR(gc2053->reset_gpio))
gpiod_set_value_cansleep(gc2053->reset_gpio, 0);
usleep_range(3000, 6000);
/* 8192 cycles prior to first SCCB transaction */
delay_us = gc2053_cal_delay(8192);
usleep_range(delay_us, delay_us * 2);
@@ -765,6 +769,8 @@ static void __gc2053_power_off(struct gc2053 *gc2053)
if (ret < 0)
dev_dbg(dev, "could not set pins\n");
}
if (!IS_ERR(gc2053->power_gpio))
gpiod_set_value_cansleep(gc2053->power_gpio, 0);
regulator_bulk_disable(GC2053_NUM_SUPPLIES, gc2053->supplies);
}
@@ -1327,6 +1333,10 @@ static int gc2053_probe(struct i2c_client *client,
if (IS_ERR(gc2053->pwdn_gpio))
dev_info(dev, "Failed to get pwdn-gpios, maybe no used\n");
gc2053->power_gpio = devm_gpiod_get(dev, "power", GPIOD_OUT_LOW);
if (IS_ERR(gc2053->power_gpio))
dev_warn(dev, "Failed to get power-gpios\n");
ret = gc2053_configure_regulators(gc2053);
if (ret) {
dev_err(dev, "Failed to get power regulators\n");