diff options
Diffstat (limited to 'bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0467-media-i2c-isx016-add-fixed-sensor.patch')
| -rw-r--r-- | bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0467-media-i2c-isx016-add-fixed-sensor.patch | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0467-media-i2c-isx016-add-fixed-sensor.patch b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0467-media-i2c-isx016-add-fixed-sensor.patch new file mode 100644 index 00000000..359e1903 --- /dev/null +++ b/bsp/meta-rcar/meta-rcar-gen3-adas/recipes-kernel/linux/linux-renesas/0467-media-i2c-isx016-add-fixed-sensor.patch @@ -0,0 +1,94 @@ +From 43b01937acf76c4d057fd6681ff66f945634f5c4 Mon Sep 17 00:00:00 2001 +From: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +Date: Thu, 30 Jan 2020 16:41:59 +0300 +Subject: [PATCH] media: i2c: isx016: add fixed sensor + +This add possibility to enable camera if the imager is not +accessible in i2c line for ID detection + +Signed-off-by: Vladimir Barinov <vladimir.barinov@cogentembedded.com> +--- + drivers/media/i2c/soc_camera/isx016.c | 41 +++++++++++++++++++++++++++++++++++ + 1 file changed, 41 insertions(+) + +diff --git a/drivers/media/i2c/soc_camera/isx016.c b/drivers/media/i2c/soc_camera/isx016.c +index 9465c8f..a9f137c 100644 +--- a/drivers/media/i2c/soc_camera/isx016.c ++++ b/drivers/media/i2c/soc_camera/isx016.c +@@ -51,8 +51,21 @@ struct isx016_priv { + int port; + int gpio_resetb; + int gpio_fsin; ++ int fixed_sensor; + }; + ++static int isx016_fixed = 0; ++module_param(isx016_fixed, int, 0644); ++MODULE_PARM_DESC(isx016_fixed, " isx016 fixed detect (0 - imager disabled)"); ++ ++static int isx016_width = ISX016_MAX_WIDTH; ++module_param(isx016_width, int, 0644); ++MODULE_PARM_DESC(isx016_width, " isx016 fixed width"); ++ ++static int isx016_height = ISX016_MAX_HEIGHT; ++module_param(isx016_height, int, 0644); ++MODULE_PARM_DESC(isx016_height, " isx016 fixed height"); ++ + static inline struct isx016_priv *to_isx016(const struct i2c_client *client) + { + return container_of(i2c_get_clientdata(client), struct isx016_priv, sd); +@@ -371,9 +384,27 @@ static int isx016_initialize(struct i2c_client *client) + int ret = 0; + int tmp_addr; + int i; ++ u8 ser_pid = 0; + + isx016_s_port(client, 1); + ++ if (priv->fixed_sensor) { ++ tmp_addr = client->addr; ++ if (priv->max9286_addr) { ++ client->addr = priv->max9271_addr; ++ /* check serizlizer ID */ ++ reg8_read(client, 0x1e, &ser_pid); ++ } ++ client->addr = tmp_addr; ++ ++ if (ser_pid != MAX9271_ID && ser_pid != MAX96705_ID && ser_pid != MAX96707_ID) { ++ ret = -ENODEV; ++ goto err; ++ } ++ ++ goto out; ++ } ++ + for (i = 0; i < ARRAY_SIZE(isx016_i2c_addr); i++) { + tmp_addr = client->addr; + if (priv->max9286_addr) { +@@ -409,6 +440,7 @@ static int isx016_initialize(struct i2c_client *client) + /* Program wizard registers */ + isx016_set_regs(client, isx016_regs_wizard, ARRAY_SIZE(isx016_regs_wizard)); + ++out: + dev_info(&client->dev, "isx016 PID %x, res %dx%d, OTP_ID %02x:%02x:%02x:%02x:%02x:%02x\n", + pid, priv->max_width, priv->max_height, priv->id[0], priv->id[1], priv->id[2], priv->id[3], priv->id[4], priv->id[5]); + err: +@@ -471,6 +503,15 @@ static int isx016_parse_dt(struct device_node *np, struct isx016_priv *priv) + } + client->addr = tmp_addr; + ++ if (of_property_read_u32(np, "isx016,fixed", &priv->fixed_sensor)) ++ priv->fixed_sensor = isx016_fixed; ++ if (priv->fixed_sensor) { ++ if (of_property_read_u32(np, "width", &priv->max_width)) ++ priv->max_width = ISX016_MAX_WIDTH; ++ if (of_property_read_u32(np, "height", &priv->max_height)) ++ priv->max_height = ISX016_MAX_HEIGHT; ++ } ++ + return 0; + } + +-- +2.7.4 + |