lkml.org 
[lkml]   [2021]   [Sep]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
SubjectRe: [PATCH v2] Input: ili210x - Set the device name according to the device model
From
Date
On 9/3/21 6:54 PM, Rogerio Pimentel wrote:
> Adding the device model into the device name is useful when
> applications need to set different parameters according to the
> touchscreen being used, e.g. X11 calibration points.
>
> Signed-off-by: Rogerio Pimentel <rpimentel.silva@gmail.com>
> ---
>
> Changes since v1: Get the device ID from touchscreen controller
> instead of driver's device list.
>
> drivers/input/touchscreen/ili210x.c | 11 ++++++++++-
> 1 file changed, 10 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c
> index 199cf3daec10..7a897a03ed70 100644
> --- a/drivers/input/touchscreen/ili210x.c
> +++ b/drivers/input/touchscreen/ili210x.c
> @@ -19,10 +19,14 @@
> #define ILI251X_DATA_SIZE1 31
> #define ILI251X_DATA_SIZE2 20
>
> +#define ILI_NAME_LEN 27
> +#define ILITEK_TS_NAME "Ilitek ILI%x%x Touchscreen"
> +
> /* Touchscreen commands */
> #define REG_TOUCHDATA 0x10
> #define REG_PANEL_INFO 0x20
> #define REG_CALIBRATE 0xcc
> +#define REG_TS_MODEL 0x61

Have a look at the following patch for the extra register names:
[PATCH v3 2/3] Input: ili210x - export ili251x version details via sysfs

> struct ili2xxx_chip {
> int (*read_reg)(struct i2c_client *client, u8 reg,
> @@ -384,6 +388,8 @@ static int ili210x_i2c_probe(struct i2c_client *client,
> struct input_dev *input;
> int error;
> unsigned int max_xy;
> + unsigned char buf[2];
> + char *model_name;
>
> dev_dbg(dev, "Probing for ILI210X I2C Touschreen driver");
>
> @@ -430,7 +436,10 @@ static int ili210x_i2c_probe(struct i2c_client *client,
> i2c_set_clientdata(client, priv);
>
> /* Setup input device */
> - input->name = "ILI210x Touchscreen";
> + input->name = ILITEK_TS_NAME;
> + model_name = (char *)input->name;
> + priv->chip->read_reg(priv->client, REG_TS_MODEL, buf, 2);

Please check return value of ^ that function.

> + snprintf(model_name, ILI_NAME_LEN, input->name, buf[1], buf[0]);
> input->id.bustype = BUS_I2C;

This was still tested only on ili2511, right ?

\
 
 \ /
  Last update: 2021-09-03 19:06    [W:0.202 / U:0.056 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site