Re: [PATCH v5 1/3] mfd: max77693: Initialize haptic register map

From: Lee Jones
Date: Mon Oct 06 2014 - 16:47:40 EST


On Thu, 18 Sep 2014, Jaewon Kim wrote:

> This patch add regmap_haptic initialization to use haptic register map
> in haptic device driver.
>
> Signed-off-by: Jaewon Kim <jaewon02.kim@xxxxxxxxxxx>
> Acked-by: Chanwoo Choi <cw00.choi@xxxxxxxxxxx>
> Acked-by: Lee Jones <lee.jones@xxxxxxxxxx>
> ---
> drivers/mfd/max77693.c | 21 ++++++++++++++++++---
> 1 file changed, 18 insertions(+), 3 deletions(-)

Applied for v3.19.

> diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c
> index 249c139..fbfed56 100644
> --- a/drivers/mfd/max77693.c
> +++ b/drivers/mfd/max77693.c
> @@ -144,6 +144,12 @@ static const struct regmap_irq_chip max77693_muic_irq_chip = {
> .num_irqs = ARRAY_SIZE(max77693_muic_irqs),
> };
>
> +static const struct regmap_config max77693_regmap_haptic_config = {
> + .reg_bits = 8,
> + .val_bits = 8,
> + .max_register = MAX77693_HAPTIC_REG_END,
> +};
> +
> static int max77693_i2c_probe(struct i2c_client *i2c,
> const struct i2c_device_id *id)
> {
> @@ -193,6 +199,15 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> }
> i2c_set_clientdata(max77693->haptic, max77693);
>
> + max77693->regmap_haptic = devm_regmap_init_i2c(max77693->haptic,
> + &max77693_regmap_haptic_config);
> + if (IS_ERR(max77693->regmap_haptic)) {
> + ret = PTR_ERR(max77693->regmap_haptic);
> + dev_err(max77693->dev,
> + "failed to initialize haptic register map: %d\n", ret);
> + goto err_regmap;
> + }
> +
> /*
> * Initialize register map for MUIC device because use regmap-muic
> * instance of MUIC device when irq of max77693 is initialized
> @@ -204,7 +219,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> ret = PTR_ERR(max77693->regmap_muic);
> dev_err(max77693->dev,
> "failed to allocate register map: %d\n", ret);
> - goto err_regmap_muic;
> + goto err_regmap;
> }
>
> ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> @@ -214,7 +229,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c,
> &max77693->irq_data_led);
> if (ret) {
> dev_err(max77693->dev, "failed to add irq chip: %d\n", ret);
> - goto err_regmap_muic;
> + goto err_regmap;
> }
>
> ret = regmap_add_irq_chip(max77693->regmap, max77693->irq,
> @@ -265,7 +280,7 @@ err_irq_charger:
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_topsys);
> err_irq_topsys:
> regmap_del_irq_chip(max77693->irq, max77693->irq_data_led);
> -err_regmap_muic:
> +err_regmap:
> i2c_unregister_device(max77693->haptic);
> err_i2c_haptic:
> i2c_unregister_device(max77693->muic);

--
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org â Open source software for ARM SoCs
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