crypto: arm64/aes-blk - honour iv_out requirement in CBC and CTR modes

Update the ARMv8 Crypto Extensions and the plain NEON AES implementations
in CBC and CTR modes to return the next IV back to the skcipher API client.
This is necessary for chaining to work correctly.

Note that for CTR, this is only done if the request is a round multiple of
the block size, since otherwise, chaining is impossible anyway.

Cc: <stable@vger.kernel.org> # v3.16+
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

path: root/sound/usb/power.h

#ifndef __USBAUDIO_POWER_H
#define __USBAUDIO_POWER_H

#ifdef CONFIG_PM
int snd_usb_autoresume(struct snd_usb_audio *chip);
void snd_usb_autosuspend(struct snd_usb_audio *chip);
#else
static inline int snd_usb_autoresume(struct snd_usb_audio *chip)
{
	return 0;
}
static inline void snd_usb_autosuspend(struct snd_usb_audio *chip)
{
}
#endif

#endif /* __USBAUDIO_POWER_H */