htu21d: Support for HTI21D family sensor on I2C bus (#2803)

Signed-off-by: Lucio Tarantino <lucio.tarantino@gmail.com>
2020-05-04 00:47:24 +02:00
parent f8649b4ba9
commit dac42efbd9
5 changed files with 304 additions and 1 deletions
--- a/src/linux/i2c.c
+++ b/src/linux/i2c.c
@@ -91,7 +91,8 @@ void
 i2c_read(struct i2c_config config, uint8_t reg_len, uint8_t *reg
         , uint8_t read_len, uint8_t *data)
 {
-    i2c_write(config, reg_len, reg);
+    if(reg_len != 0)
+        i2c_write(config, reg_len, reg);
    int ret = read(config.fd, data, read_len);
    if (ret != read_len) {
        if (ret < 0)