ALSA: hda - Fix silent headphone output on Panasonic CF-74
CF-74 does the headphone/speaker switching on hardware, thus the driver
shouldn't do any software-toggling of pins. Otherwise it results in a
silent headphone output.
This patch simply resets the hp_detect flag to fix the problem.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 0e6fc56..89ff916 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -4467,6 +4467,12 @@
return err;
}
+ /* CF-74 has no headphone detection, and the driver should *NOT*
+ * do detection and HP/speaker toggle because the hardware does it.
+ */
+ if (spec->board_config == STAC_9200_PANASONIC)
+ spec->hp_detect = 0;
+
codec->patch_ops = stac92xx_patch_ops;
return 0;