ASoC: msm: Null dereference check added

In asm_read function we should check buffer pointer
before it is dererferenced.

Signed-off-by: Anish Kumar <kanish@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>
ASoC: msm: qdsp6v2: Low latency mode for audio capture

For low latency audio capture sessions adm should be
opened in low latency mode.This change checks for low latency
mode and passes the info to adm.

Signed-off-by: Gopikrishnaiah Anandan <agopik@codeaurora.org>
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
Signed-off-by: franciscofranco <franciscofranco.1990@gmail.com>