mfd: pm8xxx-misc: Add API to control HSED BIAS lines

Qualcomm PMIC's support 3 HSED BIAS lines which as used
as Micrphone bias. The API adds ability to control (enable/disable)
these bias lines.

CRs-Fixed: 359206
Change-Id: If7603028bb040c3679c042307b8950bbd3f12c4d
Signed-off-by: Anirudh Ghayal <aghayal@codeaurora.org>
2 files changed