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The recent code change introduced a few false-positive compile warnings with -Wformat-trucation again. Suppress them by replacing snprintf() with scnprintf(). Fixes: 0a995e38dc44 ("ALSA: scarlett2: Add support for software-controllable input gain") Reported-by: kernel test robot <lkp@intel.com> Closes: https://lore.kernel.org/oe-kbuild-all/202401062344.AzZCYlpa-lkp@intel.com/ Link: https://lore.kernel.org/r/20240112171000.31855-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>