[alsa-devel] [PATCH v4 07/10] ASoC: cros_ec_codec: support WoV

[Mark Brown]

On Thu, Oct 17, 2019 at 10:00:12PM +0800, Tzung-Bi Shih wrote:
> 1. Get EC codec's capabilities.
> 2. Get and set SHM address if any.
> 3. Transmit language model to EC codec if needed.
> 4. Start to read audio data from EC codec if receives host event.

This breaks the build:

ld: sound/soc/codecs/cros_ec_codec.o: in function `calculate_sha256.isra.15':
cros_ec_codec.c:(.text+0x119d): undefined reference to `crypto_alloc_shash'
ld: cros_ec_codec.c:(.text+0x11c1): undefined reference to `crypto_shash_digest'
ld: cros_ec_codec.c:(.text+0x11df): undefined reference to `crypto_destroy_tfm'
make: *** [Makefile:1094: vmlinux] Error 1
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