[RFC PATCH v2 4/7] i2c: demux: WIP: handle the new atomic callbacks

[Wolfram Sang]

If the parent has an atomic callback, we need to translate it the same
way as the non-atomic callback.

Signed-off-by: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx>
---
 drivers/i2c/muxes/i2c-demux-pinctrl.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/i2c/muxes/i2c-demux-pinctrl.c b/drivers/i2c/muxes/i2c-demux-pinctrl.c
index 035032e20327..5d00adfbe578 100644
--- a/drivers/i2c/muxes/i2c-demux-pinctrl.c
+++ b/drivers/i2c/muxes/i2c-demux-pinctrl.c
@@ -99,6 +99,9 @@ static int i2c_demux_activate_master(struct i2c_demux_pinctrl_priv *priv, u32 ne
 
 	/* Now fill out current adapter structure. cur_chan must be up to date */
 	priv->algo.master_xfer = i2c_demux_master_xfer;
+	/* FIXME: regular muxes need proper handling, too! */
+	if (adap->algo->master_xfer_atomic)
+		priv->algo.master_xfer_atomic = i2c_demux_master_xfer;
 	priv->algo.functionality = i2c_demux_functionality;
 
 	snprintf(priv->cur_adap.name, sizeof(priv->cur_adap.name),
-- 
2.11.0