arch/arm64/src/imx9/imx9_lpi2c.c: Clear NACK properly on last RX byte

Signed-off-by: Jukka Laitinen <[email protected]>
tiiuae · Sep 18, 2024 · a406b4c · a406b4c
1 parent e6ef076
commit a406b4c
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/arch/arm64/src/imx9/imx9_lpi2c.c b/arch/arm64/src/imx9/imx9_lpi2c.c
@@ -1485,6 +1485,7 @@ static int imx9_lpi2c_isr_process(struct imx9_lpi2c_priv_s *priv)
   if ((status & LPI2C_MSR_NDF) != 0 && (priv->flags & I2C_M_READ) != 0 &&
       priv->dcnt == 1)
     {
+      imx9_lpi2c_putreg(priv, IMX9_LPI2C_MSR_OFFSET, LPI2C_MSR_NDF);
       status &= ~LPI2C_MSR_NDF;
     }