media: adv748x: afe: Select input port when device is reset

It's not enough to select the AFE input port during probe: it also needs
to be set when the device is reset. Move the port selection to
adv748x_reset() that is called during probe and when the device needs to
be reset.
Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/adv748x/adv748x-afe.c

@@ -154,7 +154,7 @@ static void adv748x_afe_set_video_standard(struct adv748x_state *state,
 		   (sdpstd & 0xf) << ADV748X_SDP_VID_SEL_SHIFT);
 }
 
-static int adv748x_afe_s_input(struct adv748x_afe *afe, unsigned int input)
+int adv748x_afe_s_input(struct adv748x_afe *afe, unsigned int input)
 {
 	struct adv748x_state *state = adv748x_afe_to_state(afe);
 
@@ -520,10 +520,6 @@ int adv748x_afe_init(struct adv748x_afe *afe)
 		}
 	}
 
-	adv748x_afe_s_input(afe, afe->input);
-
-	adv_dbg(state, "AFE Default input set to %d\n", afe->input);
-
 	/* Entity pads and sinks are 0-indexed to match the pads */
 	for (i = ADV748X_AFE_SINK_AIN0; i <= ADV748X_AFE_SINK_AIN7; i++)
 		afe->pads[i].flags = MEDIA_PAD_FL_SINK;

drivers/media/i2c/adv748x/adv748x-core.c

@@ -516,6 +516,10 @@ static int adv748x_reset(struct adv748x_state *state)
 	if (ret)
 		return ret;
 
+	adv748x_afe_s_input(&state->afe, state->afe.input);
+
+	adv_dbg(state, "AFE Default input set to %d\n", state->afe.input);
+
 	/* Reset TXA and TXB */
 	adv748x_tx_power(&state->txa, 1);
 	adv748x_tx_power(&state->txa, 0);

drivers/media/i2c/adv748x/adv748x.h

@@ -435,6 +435,7 @@ int adv748x_tx_power(struct adv748x_csi2 *tx, bool on);
 
 int adv748x_afe_init(struct adv748x_afe *afe);
 void adv748x_afe_cleanup(struct adv748x_afe *afe);
+int adv748x_afe_s_input(struct adv748x_afe *afe, unsigned int input);
 
 int adv748x_csi2_init(struct adv748x_state *state, struct adv748x_csi2 *tx);
 void adv748x_csi2_cleanup(struct adv748x_csi2 *tx);