dm_gpio_set_dir_flags() will also set gpio output value when switching to
gpio output. So it's not necessary to call dm_gpio_set_value() after
dm_gpio_set_dir_flags() call.
Signed-off-by: Axel Lin <axel....@ingics.com>
---
drivers/i2c/i2c-gpio.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/i2c/i2c-gpio.c b/drivers/i2c/i2c-gpio.c
index ed899d4..a8b83c5 100644
--- a/drivers/i2c/i2c-gpio.c
+++ b/drivers/i2c/i2c-gpio.c
@@ -41,18 +41,19 @@ static int i2c_gpio_sda_get(struct gpio_desc *sda)
static void i2c_gpio_sda_set(struct gpio_desc *sda, int bit)
{
- if (bit) {
+ if (bit)
dm_gpio_set_dir_flags(sda, GPIOD_IS_IN);
- } else {
+ else
dm_gpio_set_dir_flags(sda, GPIOD_IS_OUT);
- dm_gpio_set_value(sda, 0);
- }
}
static void i2c_gpio_scl_set(struct gpio_desc *scl, int bit)
{
- dm_gpio_set_dir_flags(scl, GPIOD_IS_OUT);
- dm_gpio_set_value(scl, bit);
+ ulong flags = GPIOD_IS_OUT;
+
+ if (bit)
+ flags |= GPIOD_IS_OUT_ACTIVE;
+ dm_gpio_set_dir_flags(scl, flags);
}
static void i2c_gpio_write_bit(struct gpio_desc *scl, struct gpio_desc *sda,
--
2.1.0
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