media: em28xx: use %*phC to print small buffers
Use %*phC format to print small buffers as hex strings Suggested-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: NAntonio Cardace <anto.cardace@gmail.com> Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com> Signed-off-by: NMauro Carvalho Chehab <mchehab@s-opensource.com>
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