Staging: crystalhd: prefer pr_warn to printk(KERN_WARNING)
Staging: crystalhd: prefer pr_warn to printk(KERN_WARNING)

Fix warning issue by using pr_err instead of printk

Signed-off-by: Georgiana Rodica Chelu <e87a87e3dc459fd3e55850116b9bebcd8ba5aa23@gmail.com>
Reviewed-by: Sarah Sharp <d4c4fc5069677be84f589aa6e14eedffef9ba12f@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <4645f7897fd33786a2ee1264d590b3c400559d85@linuxfoundation.org>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs