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Subject: media: tvp541x: Extend match support for OF tables
Author: Biju Das <biju.das...@bp.renesas.com>
Date: Sat Sep 23 17:36:39 2023 +0100
The driver has an OF match table, still, it uses an ID lookup table for
retrieving match data. Currently, the driver is working on the
assumption that an I2C device registered via OF will always match a
legacy I2C device ID. The correct approach is to have an OF device ID
table using i2c_get_match_data() if the devices are registered via OF/ID.
Unify the OF/ID table by using tvp514x_reg as match data for both
these tables and replace the ID lookup table for the match data by
i2c_get_match_data() and simplifly probe().
While at it, remove the trailing comma in the terminator entry for the OF
table making code robust against (theoretical) misrebases or other similar
things where the new entry goes _after_ the termination without the
compiler noticing.
Signed-off-by: Biju Das <biju.das...@bp.renesas.com>
Reviewed-by: Jacopo Mondi <jacopo.mondi+rene...@ideasonboard.com>
Signed-off-by: Hans Verkuil <hverkuil-ci...@xs4all.nl>
drivers/media/i2c/tvp514x.c | 26 ++++++++++++--------------
1 file changed, 12 insertions(+), 14 deletions(-)
---
diff --git a/drivers/media/i2c/tvp514x.c b/drivers/media/i2c/tvp514x.c
index aa6d4b67b6d5..4d0ffaa312c5 100644
--- a/drivers/media/i2c/tvp514x.c
+++ b/drivers/media/i2c/tvp514x.c
@@ -118,7 +118,7 @@ struct tvp514x_decoder {
struct media_pad pad;
struct v4l2_mbus_framefmt format;
- struct tvp514x_reg *int_seq;
+ const struct tvp514x_reg *int_seq;
};
/* TVP514x default register values */
@@ -1024,7 +1024,6 @@ done:
static int
tvp514x_probe(struct i2c_client *client)
{
- const struct i2c_device_id *id = i2c_client_get_device_id(client);
struct tvp514x_platform_data *pdata = tvp514x_get_pdata(client);
struct tvp514x_decoder *decoder;
struct v4l2_subdev *sd;
@@ -1049,7 +1048,7 @@ tvp514x_probe(struct i2c_client *client)
memcpy(decoder->tvp514x_regs, tvp514x_reg_list_default,
sizeof(tvp514x_reg_list_default));
- decoder->int_seq = (struct tvp514x_reg *)id->driver_data;
+ decoder->int_seq = i2c_get_match_data(client);
/* Copy board specific information here */
decoder->pdata = pdata;
@@ -1183,22 +1182,21 @@ static const struct tvp514x_reg tvp514xm_init_reg_seq[]
= {
* driver_data - Driver data
*/
static const struct i2c_device_id tvp514x_id[] = {
- {"tvp5146", (unsigned long)tvp5146_init_reg_seq},
- {"tvp5146m2", (unsigned long)tvp514xm_init_reg_seq},
- {"tvp5147", (unsigned long)tvp5147_init_reg_seq},
- {"tvp5147m1", (unsigned long)tvp514xm_init_reg_seq},
- {},
+ {"tvp5146", (kernel_ulong_t)tvp5146_init_reg_seq },
+ {"tvp5146m2", (kernel_ulong_t)tvp514xm_init_reg_seq },
+ {"tvp5147", (kernel_ulong_t)tvp5147_init_reg_seq },
+ {"tvp5147m1", (kernel_ulong_t)tvp514xm_init_reg_seq },
+ { /* sentinel */ }
};
-
MODULE_DEVICE_TABLE(i2c, tvp514x_id);
#if IS_ENABLED(CONFIG_OF)
static const struct of_device_id tvp514x_of_match[] = {
- { .compatible = "ti,tvp5146", },
- { .compatible = "ti,tvp5146m2", },
- { .compatible = "ti,tvp5147", },
- { .compatible = "ti,tvp5147m1", },
- { /* sentinel */ },
+ { .compatible = "ti,tvp5146", .data = tvp5146_init_reg_seq },
+ { .compatible = "ti,tvp5146m2", .data = tvp514xm_init_reg_seq },
+ { .compatible = "ti,tvp5147", .data = tvp5147_init_reg_seq },
+ { .compatible = "ti,tvp5147m1", .data = tvp514xm_init_reg_seq },
+ { /* sentinel */ }
};
MODULE_DEVICE_TABLE(of, tvp514x_of_match);
#endif
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