linux-kernel - Re: [PATCH 1/3] mfd: max77693: Initialize haptic register map

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Date:	Thu, 04 Sep 2014 19:15:39 +0900
From:	Jaewon Kim <jaewon02.kim@...sung.com>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	Dmitry Torokhov <dmitry.torokhov@...il.com>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	linux-kernel@...r.kernel.org, linux-input@...r.kernel.org,
	Chanwoo Choi <cw00.choi@...sung.com>
Subject: Re: [PATCH 1/3] mfd: max77693: Initialize haptic register map


2014년 09월 04일 18:06에 Lee Jones 이(가) 쓴 글:
> On Mon, 01 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@...sung.com>
>> Acked-by: Chanwoo Choi <cw00.choi@...sung.com>
>> ---
>>   drivers/mfd/max77693.c |   21 ++++++++++++++++++---
>>   1 file changed, 18 insertions(+), 3 deletions(-)
> Acked-by: Lee Jones <lee.jones@...aro.org>
>
> Can this patch go in without the Input one?

Yes. There is no problem without Input driver patch.
>
>> 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);

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