On Sun, Oct 31, 2010 at 03:50:30AM -0400, Henrik Rydberg wrote:
> The recent Macbooks have temperature registers of a new type.
> This patch adds the logic to handle them.
>
> Signed-off-by: Henrik Rydberg <rydberg@xxxxxxxxxxx>
> ---
> drivers/hwmon/applesmc.c | 12 +++++++++---
> 1 files changed, 9 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
> index 0207618..ec92aff 100644
> --- a/drivers/hwmon/applesmc.c
> +++ b/drivers/hwmon/applesmc.c
> @@ -733,13 +733,19 @@ static ssize_t applesmc_show_temperature(struct device *dev,
> ret = applesmc_get_entry_by_index(index, &entry);
> if (ret)
> return ret;
> + if (entry.len > 2)
> + return -EINVAL;
>
> - ret = applesmc_read_entry(&entry, buffer, 2);
> + ret = applesmc_read_entry(&entry, buffer, entry.len);
> if (ret)
> return ret;
>
> - temp = buffer[0]*1000;
> - temp += (buffer[1] >> 6) * 250;
> + if (entry.len == 2) {
> + temp = buffer[0]*1000;
Should be
temp = buffer[0] * 1000;
Otherwise looks good.
Guenter
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