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From f07aa0200ffd820fdceb9a06816927d81071cc61 Mon Sep 17 00:00:00 2001
From: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
Date: Sun, 6 Jan 2019 18:18:23 +0300
Subject: [PATCH 089/122] lvds: ti9x4: fix remote gpio enablement for 4 cams
This fix enablemnet of remote gpio (ti953) on all 4 cams
Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com>
---
drivers/media/i2c/soc_camera/ti9x4.c | 39 ++++++++++++++++++++----------------
1 file changed, 22 insertions(+), 17 deletions(-)
diff --git a/drivers/media/i2c/soc_camera/ti9x4.c b/drivers/media/i2c/soc_camera/ti9x4.c
index f0b782f..7b8209b 100644
--- a/drivers/media/i2c/soc_camera/ti9x4.c
+++ b/drivers/media/i2c/soc_camera/ti9x4.c
@@ -279,8 +279,7 @@ static int ti9x4_initialize(struct i2c_client *client)
{
struct ti9x4_priv *priv = i2c_get_clientdata(client);
int idx, timeout;
- u8 port_sts1 = 0, port_sts2 = 0;
- int tmp_addr;
+ u8 port_sts1[4] = {0, 0, 0, 0}, port_sts2[4] = {0, 0, 0, 0};
dev_info(&client->dev, "LINKs=%d, LANES=%d, FORWARDING=%s, CABLE=%s, ID=%s\n",
priv->links, priv->lanes, priv->forwarding_mode, priv->is_coax ? "coax" : "stp", priv->chip_id);
@@ -301,30 +300,36 @@ static int ti9x4_initialize(struct i2c_client *client)
/* check lock status */
for (timeout = 500 / priv->links; timeout > 0; timeout--) {
for (idx = 0; idx < priv->links; idx++) {
+ if ((port_sts1[idx] & 0x1) && (port_sts2[idx] & 0x4))
+ continue;
+
reg8_write(client, 0x4c, (idx << 4) | (1 << idx)); /* Select RX port number */
usleep_range(1000, 1500); /* wait 1ms */
- reg8_read(client, 0x4d, &port_sts1); /* Lock status */
- reg8_read(client, 0x4e, &port_sts2); /* Freq stable */
-
- if (port_sts1 & 0x1) {
- tmp_addr = client->addr;
- client->addr = priv->ti9x3_addr_map[idx]; /* TI9X3 I2C addr */
- reg8_write(client, 0x0d, 0xf0); /* Enable all remote GPIOs */
- reg8_write(client, 0x0e, 0xf0); /* Enable serializer GPIOs */
- client->addr = tmp_addr;
- }
-
- if ((port_sts1 & 0x1) && (port_sts2 & 0x4))
- goto out;
+ reg8_read(client, 0x4d, &port_sts1[idx]); /* Lock status */
+ reg8_read(client, 0x4e, &port_sts2[idx]); /* Freq stable */
}
}
if (!timeout)
- dev_info(&client->dev, "Receiver is not locked\n");
-out:
+ dev_info(&client->dev, "Receiver lock status [%d,%d,%d,%d]\n",
+ (port_sts1[0] & 0x1) && (port_sts2[0] & 0x4),
+ (port_sts1[1] & 0x1) && (port_sts2[1] & 0x4),
+ (port_sts1[2] & 0x1) && (port_sts2[2] & 0x4),
+ (port_sts1[3] & 0x1) && (port_sts2[3] & 0x4));
+
if (priv->poc_delay)
mdelay(100);
+ for (idx = 0; idx < priv->links; idx++) {
+ reg8_write(client, 0x4c, (idx << 4) | (1 << idx)); /* Select RX port number */
+ usleep_range(1000, 1500); /* wait 1ms */
+
+ client->addr = priv->ti9x3_addr_map[idx]; /* TI9X3 I2C addr */
+ reg8_write(client, 0x0d, 0xf0); /* Enable all remote GPIOs */
+ reg8_write(client, 0x0e, 0xf0); /* Enable serializer GPIOs */
+ client->addr = priv->des_addr;
+ }
+
return 0;
}
--
2.7.4
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