[ALSA] ac97_codec (ALC655): add EAPD hack for MSI L725 laptop

New PCI ID described and tested Spectr <spectr@gmail.com> .

Signed-off-by: Jaroslav Kysela <perex@suse.cz>
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 15be6ba..f63025e 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -2261,7 +2261,8 @@
 	else { /* ALC655 */
 		if (ac97->subsystem_vendor == 0x1462 &&
 		    (ac97->subsystem_device == 0x0131 || /* MSI S270 laptop */
-		     ac97->subsystem_device == 0x0161)) /* LG K1 Express */
+		     ac97->subsystem_device == 0x0161 || /* LG K1 Express */
+		     ac97->subsystem_device == 0x0351))  /* MSI L725 laptop */
 			val &= ~(1 << 1); /* Pin 47 is EAPD (for internal speaker) */
 		else
 			val |= (1 << 1); /* Pin 47 is spdif input pin */