linux-kernel - Re: [PATCH v2] iio: light: Adding driver for ISL29018 ALS

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Date:	Tue, 05 Oct 2010 14:35:17 -0700
From:	Joe Perches <joe@...ches.com>
To:	rklein@...dia.com
Cc:	jic23@....ac.uk, achew@...dia.com, olof@...om.net,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-iio@...r.kernel.org, ldewangan@...dia.com
Subject: Re: [PATCH v2] iio: light: Adding driver for ISL29018 ALS

On Tue, 2010-10-05 at 14:19 -0700, rklein@...dia.com wrote:
> Adding support for the ISL 29018 ambient light and proximity sensor.

Trivial comments below.

> diff --git a/drivers/staging/iio/light/isl29018.c b/drivers/staging/iio/light/isl29018.c
[]
> +static int isl29018_set_range(struct i2c_client *client, unsigned long range,
> +		unsigned int *new_range)
> +{
> +	unsigned long supp_ranges[] = {1000, 4000, 16000, 64000};

static const

> +static int isl29018_set_resolution(struct i2c_client *client,
> +			unsigned long adcbit, unsigned int *conf_adc_bit)
> +{
> +	unsigned long supp_adcbit[] = {16, 12, 8, 4};

here too

> +static int isl29018_chip_init(struct i2c_client *client)
> +{
> +	struct isl29018_chip *chip = i2c_get_clientdata(client);
> +	int status;
> +	int i;
> +	int new_adc_bit;
> +	unsigned int new_range;
> +
> +	for (i = 0; i < ARRAY_SIZE(chip->reg_cache); i++)
> +		chip->reg_cache[i] = 0;

memset?


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