[ALSA] ac97 - Suppress jack sense controls for Thinkpads
Modules: AC97 Codec
Added a blacklist to suppress to create jack sense controls.
These controls must be always off on some devices (e.g. Thinkpad).
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/pci/ac97/ac97_patch.c b/sound/pci/ac97/ac97_patch.c
index 4aa5fdc..bccce44 100644
--- a/sound/pci/ac97/ac97_patch.c
+++ b/sound/pci/ac97/ac97_patch.c
@@ -1621,8 +1621,27 @@
AC97_SINGLE("Line Jack Sense", AC97_AD_JACK_SPDIF, 12, 1, 0),
};
+/* black list to avoid HP/Line jack-sense controls
+ * (SS vendor << 16 | device)
+ */
+static unsigned int ad1981_jacks_blacklist[] = {
+ 0x10140554, /* Thinkpad T42p/R50p */
+ 0 /* end */
+};
+
+static int check_list(struct snd_ac97 *ac97, const unsigned int *list)
+{
+ u32 subid = ((u32)ac97->subsystem_vendor << 16) | ac97->subsystem_device;
+ for (; *list; list++)
+ if (*list == subid)
+ return 1;
+ return 0;
+}
+
static int patch_ad1981a_specific(struct snd_ac97 * ac97)
{
+ if (check_list(ac97, ad1981_jacks_blacklist))
+ return 0;
return patch_build_controls(ac97, snd_ac97_ad1981x_jack_sense,
ARRAY_SIZE(snd_ac97_ad1981x_jack_sense));
}
@@ -1635,22 +1654,26 @@
#endif
};
+/* white list to enable HP jack-sense bits
+ * (SS vendor << 16 | device)
+ */
+static unsigned int ad1981_jacks_whitelist[] = {
+ 0x0e11005a, /* HP nc4000/4010 */
+ 0x103c0890, /* HP nc6000 */
+ 0x103c0938, /* HP nc4220 */
+ 0x103c099c, /* HP nx6110 */
+ 0x103c0944, /* HP nc6220 */
+ 0x103c0934, /* HP nc8220 */
+ 0x103c006d, /* HP nx9105 */
+ 0x17340088, /* FSC Scenic-W */
+ 0 /* end */
+};
+
static void check_ad1981_hp_jack_sense(struct snd_ac97 *ac97)
{
- u32 subid = ((u32)ac97->subsystem_vendor << 16) | ac97->subsystem_device;
- switch (subid) {
- case 0x0e11005a: /* HP nc4000/4010 */
- case 0x103c0890: /* HP nc6000 */
- case 0x103c0938: /* HP nc4220 */
- case 0x103c099c: /* HP nx6110 */
- case 0x103c0944: /* HP nc6220 */
- case 0x103c0934: /* HP nc8220 */
- case 0x103c006d: /* HP nx9105 */
- case 0x17340088: /* FSC Scenic-W */
+ if (check_list(ac97, ad1981_jacks_whitelist))
/* enable headphone jack sense */
snd_ac97_update_bits(ac97, AC97_AD_JACK_SPDIF, 1<<11, 1<<11);
- break;
- }
}
int patch_ad1981a(struct snd_ac97 *ac97)
@@ -1672,6 +1695,8 @@
if ((err = patch_build_controls(ac97, &snd_ac97_ad198x_2cmic, 1)) < 0)
return err;
+ if (check_list(ac97, ad1981_jacks_blacklist))
+ return 0;
return patch_build_controls(ac97, snd_ac97_ad1981x_jack_sense,
ARRAY_SIZE(snd_ac97_ad1981x_jack_sense));
}