[alsa-devel] [PATCH] hda/patch_sigmatel.c Panasonic CF-74 speaker output

Kyler Laird kyler-dated-1204639464.53c18d at lairds.com
Thu Feb 28 15:11:49 CET 2008


This patch causes ALSA to send sound to the speakers of a Panasonic
CF-74 (Toughbook) instead of just its headphone jack.

--kyler

diff -Naur linux-2.6.24.1/sound/pci/hda/patch_sigmatel.c
linux-2.6.24.1-ALSA_CF74/sound/pci/hda/patch_sigmatel.c
--- linux-2.6.24.1/sound/pci/hda/patch_sigmatel.c       2008-02-08
14:55:30.000000000 -0500
+++ linux-2.6.24.1-ALSA_CF74/sound/pci/hda/patch_sigmatel.c
2008-02-11 12:05:11.824064617 -0500
@@ -2467,6 +2467,11 @@
                spec->init = stac9200_core_init;
        spec->mixer = stac9200_mixer;

+       /* Kyler - fix for CF-74 speaker */
+       spec->gpio_mask = 0x00000009;
+       spec->gpio_data = 0x00000000;
+       stac92xx_enable_gpio_mask(codec);
+
        err = stac9200_parse_auto_config(codec);
        if (err < 0) {
                stac92xx_free(codec);



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