mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-26 19:00:25 +00:00
Input: max77693: Prepare for adding support for Maxim 77843
Prepare the driver for supporting two devices: Maxim 77693 and 77843: 1. Add table of device ids and store current device type for later usage. 2. Differentiate the haptic device configuration. Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com> Acked-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
parent
b3d8ba746b
commit
6eaa247a5b
1 changed files with 34 additions and 7 deletions
|
@ -47,6 +47,8 @@ enum max77693_haptic_pwm_divisor {
|
|||
};
|
||||
|
||||
struct max77693_haptic {
|
||||
enum max77693_types dev_type;
|
||||
|
||||
struct regmap *regmap_pmic;
|
||||
struct regmap *regmap_haptic;
|
||||
struct device *dev;
|
||||
|
@ -81,16 +83,23 @@ static int max77693_haptic_set_duty_cycle(struct max77693_haptic *haptic)
|
|||
static int max77693_haptic_configure(struct max77693_haptic *haptic,
|
||||
bool enable)
|
||||
{
|
||||
unsigned int value;
|
||||
unsigned int value, config_reg;
|
||||
int error;
|
||||
|
||||
value = ((haptic->type << MAX77693_CONFIG2_MODE) |
|
||||
(enable << MAX77693_CONFIG2_MEN) |
|
||||
(haptic->mode << MAX77693_CONFIG2_HTYP) |
|
||||
MAX77693_HAPTIC_PWM_DIVISOR_128);
|
||||
switch (haptic->dev_type) {
|
||||
case TYPE_MAX77693:
|
||||
value = ((haptic->type << MAX77693_CONFIG2_MODE) |
|
||||
(enable << MAX77693_CONFIG2_MEN) |
|
||||
(haptic->mode << MAX77693_CONFIG2_HTYP) |
|
||||
MAX77693_HAPTIC_PWM_DIVISOR_128);
|
||||
config_reg = MAX77693_HAPTIC_REG_CONFIG2;
|
||||
break;
|
||||
default:
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
error = regmap_write(haptic->regmap_haptic,
|
||||
MAX77693_HAPTIC_REG_CONFIG2, value);
|
||||
config_reg, value);
|
||||
if (error) {
|
||||
dev_err(haptic->dev,
|
||||
"failed to update haptic config: %d\n", error);
|
||||
|
@ -254,12 +263,23 @@ static int max77693_haptic_probe(struct platform_device *pdev)
|
|||
return -ENOMEM;
|
||||
|
||||
haptic->regmap_pmic = max77693->regmap;
|
||||
haptic->regmap_haptic = max77693->regmap_haptic;
|
||||
haptic->dev = &pdev->dev;
|
||||
haptic->type = MAX77693_HAPTIC_LRA;
|
||||
haptic->mode = MAX77693_HAPTIC_EXTERNAL_MODE;
|
||||
haptic->suspend_state = false;
|
||||
|
||||
/* Variant-specific init */
|
||||
haptic->dev_type = platform_get_device_id(pdev)->driver_data;
|
||||
switch (haptic->dev_type) {
|
||||
case TYPE_MAX77693:
|
||||
haptic->regmap_haptic = max77693->regmap_haptic;
|
||||
break;
|
||||
default:
|
||||
dev_err(&pdev->dev, "unsupported device type: %u\n",
|
||||
haptic->dev_type);
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
INIT_WORK(&haptic->work, max77693_haptic_play_work);
|
||||
|
||||
/* Get pwm and regulatot for haptic device */
|
||||
|
@ -337,12 +357,19 @@ static int __maybe_unused max77693_haptic_resume(struct device *dev)
|
|||
static SIMPLE_DEV_PM_OPS(max77693_haptic_pm_ops,
|
||||
max77693_haptic_suspend, max77693_haptic_resume);
|
||||
|
||||
static const struct platform_device_id max77693_haptic_id[] = {
|
||||
{ "max77693-haptic", TYPE_MAX77693 },
|
||||
{},
|
||||
};
|
||||
MODULE_DEVICE_TABLE(platform, max77693_haptic_id);
|
||||
|
||||
static struct platform_driver max77693_haptic_driver = {
|
||||
.driver = {
|
||||
.name = "max77693-haptic",
|
||||
.pm = &max77693_haptic_pm_ops,
|
||||
},
|
||||
.probe = max77693_haptic_probe,
|
||||
.id_table = max77693_haptic_id,
|
||||
};
|
||||
module_platform_driver(max77693_haptic_driver);
|
||||
|
||||
|
|
Loading…
Reference in a new issue