[PATCH 4.9 37/86] ALSA: hda: add dock and led support for HP ProBook 640 G2

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dennis Wassenberg commit 099fd6ca0ad25bc19c5ade2ea4b25b8fadaa11b3 upstream. This patch adds missing initialisation for HP 2013 UltraSlim Dock Line-In/Out PINs

[PATCH 4.9 37/86] ALSA: hda: add dock and led support for HP ProBook 640 G2

4.9-stable review patch. If anyone has any objections, please let me know. -- From: Dennis Wassenberg commit 099fd6ca0ad25bc19c5ade2ea4b25b8fadaa11b3 upstream. This patch adds missing initialisation for HP 2013 UltraSlim Dock Line-In/Out PINs and activates keyboard