[libgpiod][PATCH 3/4] API: add an AS_IS value for bias setting
From: Bartosz Golaszewski <hidden>
Date: 2021-06-21 19:18:40
Subsystem:
library code, the rest · Maintainers:
Andrew Morton, Linus Torvalds
We don't have an explicit default "as-is" value for the bias setting. This adds it. Signed-off-by: Bartosz Golaszewski <redacted> --- include/gpiod.h | 4 +++- lib/line-config.c | 1 + 2 files changed, 4 insertions(+), 1 deletion(-)
diff --git a/include/gpiod.h b/include/gpiod.h
index 3671c2d..629601a 100644
--- a/include/gpiod.h
+++ b/include/gpiod.h@@ -451,7 +451,9 @@ enum { * @brief Available internal bias settings for line requests. */ enum { - GPIOD_LINE_CONFIG_BIAS_DISABLED = 1, + GPIOD_LINE_CONFIG_BIAS_AS_IS = 1, + /**< Don't change the current bias setting. */ + GPIOD_LINE_CONFIG_BIAS_DISABLED, /**< The internal bias should be disabled (the default). */ GPIOD_LINE_CONFIG_BIAS_PULL_UP, /**< The internal pull-up bias is enabled. */
diff --git a/lib/line-config.c b/lib/line-config.c
index 5b6dab4..24dc5f4 100644
--- a/lib/line-config.c
+++ b/lib/line-config.c@@ -496,6 +496,7 @@ static int gpiod_make_kernel_flags(uint64_t *flags, struct base_config *config) case GPIOD_LINE_CONFIG_BIAS_PULL_DOWN: *flags |= GPIO_V2_LINE_FLAG_BIAS_PULL_DOWN; break; + case GPIOD_LINE_CONFIG_BIAS_AS_IS: case 0: break; default:
--
2.30.1