platform/x86: ideapad-laptop: use sysfs_emit()
sysfs_emit() has been introduced to make it less ambiguous which function is preferred when writing to the output buffer in a device attribute's show() callback. Convert the ideapad-laptop module to utilize this new helper function. Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com> Link: https://lore.kernel.org/r/20210203215403.290792-7-pobrn@protonmail.comSigned-off-by: Hans de Goede <hdegoede@redhat.com>
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