michael/zephyr
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

drivers: input: input_chsc5x: configurable ic type verification

Browse Source 
Add Kconfig option to skip or execute the verification of the ic
type. This adds a delay of 100ms to the initialization.

Signed-off-by: Matthias Alleman <matthias.alleman@basalte.be>
This commit is contained in:
Matthias Alleman
2025-12-10 15:57:35 +01:00
committed by Anas Nashif
parent 7a662cac8b
commit 158ec0384b
2 changed files with 19 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

8
drivers/input/Kconfig.chsc5x
View File

@@ -10,3 +10,11 @@ config INPUT_CHSC5X
select INPUT_TOUCH
help
Enable CHSC5X driver for Chipsemi capacitive touch panel controller.
config INPUT_CHSC5X_VERIFY_IC_TYPE
bool "IC type verification"
default y
depends on INPUT_CHSC5X
help
This option enables the verification of the IC type which implies an
additional delay of 100ms during initialization.

13
drivers/input/input_chsc5x.c
View File

@@ -100,7 +100,8 @@ static void chsc5x_isr_handler(const struct device *dev, struct gpio_callback *c
k_work_submit(&data->work);
}
static int chsc5x_chip_init(const struct device *dev)
#if defined(CONFIG_INPUT_CHSC5X_VERIFY_IC_TYPE)
static int chsc5x_verify_ic(const struct device *dev)
{
const struct chsc5x_config *cfg = dev->config;
int ret;
@@ -141,6 +142,7 @@ static int chsc5x_chip_init(const struct device *dev)
return 0;
}
#endif /* CONFIG_INPUT_CHSC5X_VERIFY_IC_TYPE */
static int chsc5x_reset(const struct device *dev)
{
@@ -252,10 +254,17 @@ static int chsc5x_init(const struct device *dev)
return ret;
}
#if defined(CONFIG_INPUT_CHSC5X_VERIFY_IC_TYPE)
/* It takes about 94ms until chip is ready after reset. */
k_msleep(100);
return chsc5x_chip_init(dev);
ret = chsc5x_verify_ic(dev);
if (ret < 0) {
LOG_ERR("Failed to verify ic: %d", ret);
return ret;
}
#endif /* CONFIG_INPUT_CHSC5X_VERIFY_IC_TYPE */
return ret;
};
#define CHSC5X_DEFINE(index) \