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| author | Axel Lin <axel.lin@ingics.com> | 2015-04-26 11:05:38 +0800 |
|---|---|---|
| committer | Simon Glass <sjg@chromium.org> | 2015-05-05 20:58:41 -0600 |
| commit | 76382aa2ce811d4bb53f8c617590fb36681ce169 (patch) | |
| tree | 448f8ee1ad30dcd875bc0474ba1a91e1bc3b4517 /drivers/i2c | |
| parent | 4772511475ce9221a040142eb808fa963024598f (diff) | |
| download | u-boot-imx-76382aa2ce811d4bb53f8c617590fb36681ce169.zip u-boot-imx-76382aa2ce811d4bb53f8c617590fb36681ce169.tar.gz u-boot-imx-76382aa2ce811d4bb53f8c617590fb36681ce169.tar.bz2 | |
dm: i2c-gpio: Remove redundant dm_gpio_set_value() call
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.lin@ingics.com>
Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'drivers/i2c')
| -rw-r--r-- | drivers/i2c/i2c-gpio.c | 13 |
1 files 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, |