config SND_SOC_CROS_EC_CODEC
tristate "codec driver for ChromeOS EC"
depends on CROS_EC
- select CRYPTO
- select CRYPTO_SHA256
+ select CRYPTO_LIB_SHA256
help
If you say yes here you will get support for the
ChromeOS Embedded Controller's Audio Codec.
* EC for audio function.
*/
-#include <crypto/hash.h>
#include <crypto/sha.h>
#include <linux/acpi.h>
#include <linux/delay.h>
static int calculate_sha256(struct cros_ec_codec_priv *priv,
uint8_t *buf, uint32_t size, uint8_t *digest)
{
- struct crypto_shash *tfm;
- struct shash_desc *desc;
+ struct sha256_state sctx;
- tfm = crypto_alloc_shash("sha256", CRYPTO_ALG_TYPE_SHASH, 0);
- if (IS_ERR(tfm)) {
- dev_err(priv->dev, "can't alloc shash\n");
- return PTR_ERR(tfm);
- }
- desc = kmalloc(sizeof(*desc) + crypto_shash_descsize(tfm), GFP_KERNEL);
- if (!desc) {
- crypto_free_shash(tfm);
- return -ENOMEM;
- }
- desc->tfm = tfm;
- crypto_shash_digest(desc, buf, size, digest);
- shash_desc_zero(desc);
-
- kfree(desc);
- crypto_free_shash(tfm);
+ sha256_init(&sctx);
+ sha256_update(&sctx, buf, size);
+ sha256_final(&sctx, digest);
#ifdef DEBUG
{