Re: [PATCH v3 1/1] input: add driver for Bosch Sensortec's BMA150accelerometer

From: Alan Cox
Date: Thu Jul 14 2011 - 18:37:48 EST


> + values represent the range given as +/- G.
> + Possible values are: 2, 4, 8.
> +
> + Reading: returns the current acceleration range.
> +
> + Writing: sets a new acceleration range.

Same comment as last time - these values are not discoverable so it
should set the nearest bigger range.

> +
> +
> +What: /sys/bus/i2c/devices/<busnum>-<devaddr>/bandwidth
> +Date: May 2011
> +Contact: Eric Andersson <eric.andersson@xxxxxxxxxxxxx>
> +Description: This is used to setup the digital filtering on ADC output data.
> + The values represent the bandwidth given in Hz.
> + Possible values are: 25, 50, 100, 190, 375, 750, 1500
> +
> + Reading: returns the current bandwidth.
> +
> + Writing: sets a new bandwidth.

Ditto


> + for (i = 0, ret = 0; i < ARRAY_SIZE(bw_val); i++)
> + ret += sprintf(buf + ret,
> + (bw_val[i].reg == bw) ? "[%d] " : "%d ",
> + bw_val[i].value);

sysfs nodes should really be single values

> +static const struct i2c_device_id bma150_id[] = {
> + { "bma150", 0 },
> + { "smb380", 0 },

bma023 ?

It also doesn't expose the thresholds or support interrupts which the
one I posted did.

So while its better it still seems incomplete - its certainly nowhere
near where it can replace the one I posted months ago and doesn't seem to
be making any headway.

Dmitry shall I repost the intel one - at this point I think it would be a
better starting point as it supports more features, interrupts and the
like although it's not perfect either.

Alan
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