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commit7cfbb29466upstream. When the driver was updated to be endian neutral (8e9c7716c) the signed part of the s16 values was lost. This is because be16_to_cpu() returns an unsigned value. This patch casts the values back to a s16 number prior to the the implicit cast up to an int. Signed-off-by: Richard A. Smith <richard@laptop.org> Signed-off-by: Daniel Drake <dsd@laptop.org> Signed-off-by: Anton Vorontsov <cbouatmailru@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>