diff options
| author | Wayne <[email protected]> | 2023-05-09 13:13:02 +0800 |
|---|---|---|
| committer | GitHub <[email protected]> | 2023-05-09 01:13:02 -0400 |
| commit | 3291882b38f30d75c94a8f4bec8db578f56d6f43 (patch) | |
| tree | 03d3434508215d66c0f25bbb9ad4af974300c63f /components/drivers/i2c | |
| parent | 538158bf2048b93253e42719d1839d7a87c6a951 (diff) | |
[i2c] fix the return value of rt_i2c_master_send/recv
fix the related PR: #7029
Diffstat (limited to 'components/drivers/i2c')
| -rw-r--r-- | components/drivers/i2c/i2c_core.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/components/drivers/i2c/i2c_core.c b/components/drivers/i2c/i2c_core.c index 21213b1b1c..17671ea241 100644 --- a/components/drivers/i2c/i2c_core.c +++ b/components/drivers/i2c/i2c_core.c @@ -122,7 +122,7 @@ rt_ssize_t rt_i2c_master_send(struct rt_i2c_bus_device *bus, ret = rt_i2c_transfer(bus, &msg, 1); - return ret; + return (ret == 1) ? count : ret; } rt_ssize_t rt_i2c_master_recv(struct rt_i2c_bus_device *bus, @@ -142,5 +142,5 @@ rt_ssize_t rt_i2c_master_recv(struct rt_i2c_bus_device *bus, ret = rt_i2c_transfer(bus, &msg, 1); - return ret; + return (ret == 1) ? count : ret; } |