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| author | Tomi Valkeinen <tomi.valkeinen@ideasonboard.com> | 2023-07-31 16:24:38 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@kernel.org> | 2023-08-10 07:58:37 +0200 |
| commit | be1e71b1db5779fe464d2ad70305df27f77b4157 (patch) | |
| tree | e807a17196f19b1fb4ed6faf00a11def89f813cd | |
| parent | 255b959be97faed49507091adf182c13fa30e47e (diff) | |
| download | linux-stable-be1e71b1db5779fe464d2ad70305df27f77b4157.tar.gz linux-stable-be1e71b1db5779fe464d2ad70305df27f77b4157.tar.bz2 linux-stable-be1e71b1db5779fe464d2ad70305df27f77b4157.zip | |
media: i2c: ds90ub913: Use v4l2_fwnode_endpoint_parse()
Use v4l2_fwnode_endpoint_parse() to parse the sink endpoint parameters.
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
| -rw-r--r-- | drivers/media/i2c/ds90ub913.c | 33 |
1 files changed, 21 insertions, 12 deletions
diff --git a/drivers/media/i2c/ds90ub913.c b/drivers/media/i2c/ds90ub913.c index 5410ccb54057..85b664e33482 100644 --- a/drivers/media/i2c/ds90ub913.c +++ b/drivers/media/i2c/ds90ub913.c @@ -21,6 +21,8 @@ #include <linux/regmap.h> #include <media/i2c/ds90ub9xx.h> +#include <media/v4l2-fwnode.h> +#include <media/v4l2-mediabus.h> #include <media/v4l2-subdev.h> #define UB913_PAD_SINK 0 @@ -83,7 +85,7 @@ struct ub913_data { struct ds90ub9xx_platform_data *plat_data; - u32 pclk_polarity; + bool pclk_polarity_rising; }; static inline struct ub913_data *sd_to_ub913(struct v4l2_subdev *sd) @@ -675,25 +677,32 @@ static int ub913_add_i2c_adapter(struct ub913_data *priv) static int ub913_parse_dt(struct ub913_data *priv) { struct device *dev = &priv->client->dev; + struct v4l2_fwnode_endpoint vep = { + .bus_type = V4L2_MBUS_PARALLEL, + }; struct fwnode_handle *ep_fwnode; int ret; ep_fwnode = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), UB913_PAD_SINK, 0, 0); - if (!ep_fwnode) { - dev_err_probe(dev, -ENOENT, "No sink endpoint\n"); - return -ENOENT; - } + if (!ep_fwnode) + return dev_err_probe(dev, -ENOENT, "No sink endpoint\n"); - ret = fwnode_property_read_u32(ep_fwnode, "pclk-sample", - &priv->pclk_polarity); + ret = v4l2_fwnode_endpoint_parse(ep_fwnode, &vep); fwnode_handle_put(ep_fwnode); - if (ret) { - dev_err_probe(dev, ret, "failed to parse 'pclk-sample'\n"); - return ret; - } + if (ret) + return dev_err_probe(dev, ret, + "failed to parse sink endpoint data\n"); + + if (vep.bus.parallel.flags & V4L2_MBUS_PCLK_SAMPLE_RISING) + priv->pclk_polarity_rising = true; + else if (vep.bus.parallel.flags & V4L2_MBUS_PCLK_SAMPLE_FALLING) + priv->pclk_polarity_rising = false; + else + return dev_err_probe(dev, -EINVAL, + "bad value for 'pclk-sample'\n"); return 0; } @@ -726,7 +735,7 @@ static int ub913_hw_init(struct ub913_data *priv) ub913_read(priv, UB913_REG_GENERAL_CFG, &v); v &= ~UB913_REG_GENERAL_CFG_PCLK_RISING; - v |= priv->pclk_polarity ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0; + v |= priv->pclk_polarity_rising ? UB913_REG_GENERAL_CFG_PCLK_RISING : 0; ub913_write(priv, UB913_REG_GENERAL_CFG, v); return 0; |