Hi Henrik,
On Tue, 4 May 2010 11:55:29 +0200, Henrik Rydberg wrote:
> From: Alex Murray <murray.alex@xxxxxxxxx>
>
> The Apple SMC uses a systematic labeling scheme for the hardware
> temperature sensors. This scheme is currently hidden from
> userland. Since the sensor set, and consequently the numbering,
> differs between models, an extensive database of configurations is
> required for an application such as fan control. This patch adds the
> SMC labels to the hwmon sysfs interface, allowing applications to use
> the sensors more intelligibly.
I like the idea.
> Signed-off-by: Alex Murray <murray.alex@xxxxxxxxx>
> Signed-off-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
> ---
> drivers/hwmon/applesmc.c | 145 +++++++++++++++++++++++++++++++++++++++++++++-
> 1 files changed, 144 insertions(+), 1 deletions(-)
>
> diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
> index 36a0d62..8be86ef 100644
> --- a/drivers/hwmon/applesmc.c
> +++ b/drivers/hwmon/applesmc.c
> (...)
> @@ -1252,6 +1387,9 @@ static struct attribute *temperature_attributes[] = {
> static const struct attribute_group temperature_attributes_group =
> { .attrs = temperature_attributes };
>
> +static const struct attribute_group label_attributes_group = {
> + .attrs = label_attributes
> +};
Missing blank like.
> /* Module stuff */
>
> /*
> @@ -1568,7 +1706,8 @@ static int __init applesmc_init(void)
> for (i = 0;
> temperature_sensors_sets[applesmc_temperature_set][i] != NULL;
> i++) {
> - if (temperature_attributes[i] == NULL) {
> + if (temperature_attributes[i] == NULL ||
> + label_attributes[i] == NULL) {
> printk(KERN_ERR "applesmc: More temperature sensors "
> "in temperature_sensors_sets (at least %i)"
> "than available sysfs files in "
> @@ -1578,6 +1717,8 @@ static int __init applesmc_init(void)
> }
> ret = sysfs_create_file(&pdev->dev.kobj,
> temperature_attributes[i]);
Missing error handling.
> + ret = sysfs_create_file(&pdev->dev.kobj,
> + label_attributes[i]);
> if (ret)
> goto out_temperature;
> }
Other than that, the patch looks good.
--
Jean Delvare
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