Hi, On 4/19/24 8:41 AM, yunshui wrote: > As Documentation/filesystems/sysfs.rst suggested, > show() should only use sysfs_emit() or sysfs_emit_at() when formatting > the value to be returned to user space. > > Signed-off-by: yunshui <jiangyunshui@xxxxxxxxxx> > Reviewed-by: Ai Chao <aichao@xxxxxxxxxx> Thank you for your patch, I've applied this patch to my review-hans branch: https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/log/?h=review-hans Note it will show up in my review-hans branch once I've pushed my local branch there, which might take a while. Once I've run some tests on this branch the patches there will be added to the platform-drivers-x86/for-next branch and eventually will be included in the pdx86 pull-request to Linus for the next merge-window. Regards, Hans > --- > drivers/platform/x86/samsung-laptop.c | 10 +++++----- > 1 file changed, 5 insertions(+), 5 deletions(-) > > diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c > index b4aa8ba35d2d..3d2f8e758369 100644 > --- a/drivers/platform/x86/samsung-laptop.c > +++ b/drivers/platform/x86/samsung-laptop.c > @@ -661,9 +661,9 @@ static ssize_t get_performance_level(struct device *dev, > /* The logic is backwards, yeah, lots of fun... */ > for (i = 0; config->performance_levels[i].name; ++i) { > if (sretval.data[0] == config->performance_levels[i].value) > - return sprintf(buf, "%s\n", config->performance_levels[i].name); > + return sysfs_emit(buf, "%s\n", config->performance_levels[i].name); > } > - return sprintf(buf, "%s\n", "unknown"); > + return sysfs_emit(buf, "%s\n", "unknown"); > } > > static ssize_t set_performance_level(struct device *dev, > @@ -744,7 +744,7 @@ static ssize_t get_battery_life_extender(struct device *dev, > if (ret < 0) > return ret; > > - return sprintf(buf, "%d\n", ret); > + return sysfs_emit(buf, "%d\n", ret); > } > > static ssize_t set_battery_life_extender(struct device *dev, > @@ -813,7 +813,7 @@ static ssize_t get_usb_charge(struct device *dev, > if (ret < 0) > return ret; > > - return sprintf(buf, "%d\n", ret); > + return sysfs_emit(buf, "%d\n", ret); > } > > static ssize_t set_usb_charge(struct device *dev, > @@ -878,7 +878,7 @@ static ssize_t get_lid_handling(struct device *dev, > if (ret < 0) > return ret; > > - return sprintf(buf, "%d\n", ret); > + return sysfs_emit(buf, "%d\n", ret); > } > > static ssize_t set_lid_handling(struct device *dev,