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Message-ID: <54920096.5000409@gmx.de>
Date: Wed, 17 Dec 2014 23:15:50 +0100
From: Hartmut Knaack <knaack.h@....de>
To: Karol Wrona <k.wrona@...sung.com>,
Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org,
linux-kernel@...r.kernel.org
CC: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>,
Kyungmin Park <kyungmin.park@...sung.com>,
Karol Wrona <wrona.vy@...il.com>
Subject: Re: [PATCH v3 3/5] iio: common: ssp_sensors: Add sensorhub iio commons
Karol Wrona schrieb am 05.12.2014 um 20:54:
> This patch adds common library for sensorhub iio drivers.
>
Looks good to me, overall. Just one very small nitpick.
> Change-Id: I1038cb31c051f7e8ffde696a4121518daa5af081
> Signed-off-by: Karol Wrona <k.wrona@...sung.com>
> Acked-by: Kyungmin Park <kyungmin.park@...sung.com>
> ---
> drivers/iio/common/ssp_sensors/ssp_iio.c | 82 +++++++++++++++++++++++
> drivers/iio/common/ssp_sensors/ssp_iio_sensor.h | 56 ++++++++++++++++
> 2 files changed, 138 insertions(+)
> create mode 100644 drivers/iio/common/ssp_sensors/ssp_iio.c
> create mode 100644 drivers/iio/common/ssp_sensors/ssp_iio_sensor.h
>
> +/* Converts time in ms to frequency */
> +static inline void ssp_convert_to_freq(u32 time, int *integer_part,
> + int *fractional)
> +{
> + if (time == 0) {
> + *fractional = 0;
> + *integer_part = 0;
> + return;
> + }
> +
> + *integer_part = SSP_DIVIDEND / time;
> + *fractional = do_div(*integer_part, SSP_DIVISOR);
> +}
> +
> +/* Converts frequency to time in ms*/
Missing whitespace at end of comment.
> +static inline int ssp_convert_to_time(int integer_part, int fractional)
> +{
> + u64 value;
> +
> + value = integer_part * SSP_DIVISOR + fractional;
> + if (value == 0)
> + return 0;
> +
> + return div_u64(SSP_DIVIDEND, value);
> +}
> +#endif /* __SSP_IIO_SENSOR_H__ */
>
--
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