From: Andy Shevchenko <andy.shevchenko@gmail.com>
To: Sean Nyekjaer <sean@geanix.com>
Cc: "Jonathan Cameron" <jic23@kernel.org>,
linux-iio <linux-iio@vger.kernel.org>,
"Lars-Peter Clausen" <lars@metafoo.de>,
"Nuno Sá" <Nuno.Sa@analog.com>,
"Rob Herring" <robh+dt@kernel.org>,
devicetree <devicetree@vger.kernel.org>
Subject: Re: [PATCH v4 5/6] iio: accel: fxls8962af: add hw buffered sampling
Date: Fri, 30 Apr 2021 12:10:38 +0300 [thread overview]
Message-ID: <CAHp75Vcutrga_WQGpYAfB4DcdMmDfpPNmaGDwvOFUCQM-2+oKw@mail.gmail.com> (raw)
In-Reply-To: <20210429122806.3814330-5-sean@geanix.com>
On Thu, Apr 29, 2021 at 3:28 PM Sean Nyekjaer <sean@geanix.com> wrote:
>
> When buffered sampling is enabled, the accelerometer will dump data into
> the internal fifo and interrupt at watermark. Then the driver flushes
> all data to the iio buffer.
> As the accelerometer doesn't have internal timestamps, they are approximated
> between the current and last interrupt.
...
> + int ret = 0;
Redundant assignment.
> + fxls8962af_standby(data);
> +
> + /* Disable buffer interrupt*/
> + ret = regmap_update_bits(data->regmap, FXLS8962AF_INT_EN,
> + FXLS8962AF_INT_EN_BUF_EN, 0);
> + if (ret < 0)
> + return ret;
...
> + if (reg & FXLS8962AF_BUF_STATUS_BUF_OVF) {
> + dev_err(dev, "Buffer overflown");
overflow
> + return -1;
Proper error code, please.
> + }
...
> + count = reg & FXLS8962AF_BUF_STATUS_BUF_CNT;
> +
Redundant blank line.
> + if (!count)
> + return 0;
--
With Best Regards,
Andy Shevchenko
next prev parent reply other threads:[~2021-04-30 9:10 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-04-29 12:28 [PATCH v4 1/6] iio: accel: add support for FXLS8962AF/FXLS8964AF accelerometers Sean Nyekjaer
2021-04-29 12:28 ` [PATCH v4 2/6] dt-bindings: iio: accel: fxls8962af: add bindings Sean Nyekjaer
2021-04-29 15:25 ` Rob Herring
2021-04-29 12:28 ` [PATCH v4 3/6] iio: accel: fxls8962af: add set/get of samplerate Sean Nyekjaer
2021-04-29 12:28 ` [PATCH v4 4/6] iio: accel: fxls8962af: add interrupt support Sean Nyekjaer
2021-04-30 9:02 ` Andy Shevchenko
2021-05-03 11:19 ` Sean Nyekjaer
2021-04-29 12:28 ` [PATCH v4 5/6] iio: accel: fxls8962af: add hw buffered sampling Sean Nyekjaer
2021-04-30 9:10 ` Andy Shevchenko [this message]
2021-04-29 12:28 ` [PATCH v4 6/6] iio: accel: fxls8962af: fix errata bug E3 - I2C burst reads Sean Nyekjaer
2021-04-30 9:14 ` Andy Shevchenko
2021-04-30 9:25 ` [PATCH v4 1/6] iio: accel: add support for FXLS8962AF/FXLS8964AF accelerometers Tomas Melin
2021-05-02 17:46 ` Jonathan Cameron
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