Messages in this thread | | | Date | Tue, 13 Mar 2012 14:39:23 +0900 | Subject | Re: [RESEND PATCH 1/2] MFD: MAX77693: add MAX77693 MFD driver | From | Kyungmin Park <> |
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Hi,
It's discussed previous time. It's PMIC and very sensitive to system. So we decide to use legacy way. As regmap is not yet tested. So we summit the current way and revise it later.
Thank you, Kyungmin Park
On 3/13/12, Venu Byravarasu <vbyravarasu@nvidia.com> wrote: > Why don't you make use of regmap for all i2c read/ write operations? > >> +int max77693_read_reg(struct i2c_client *i2c, u8 reg, u8 *dest) >> +{ >> + struct max77693_dev *max77693 = i2c_get_clientdata(i2c); >> + int ret; >> + >> + mutex_lock(&max77693->iolock); >> + ret = i2c_smbus_read_byte_data(i2c, reg); >> + mutex_unlock(&max77693->iolock); >> + if (ret < 0) >> + return ret; >> + >> + ret &= 0xff; >> + *dest = ret; >> + return 0; >> +} >> +EXPORT_SYMBOL_GPL(max77693_read_reg); >> + > -- > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ >
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