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Commit 128a46a5 authored by Takashi Iwai's avatar Takashi Iwai Committed by Jaroslav Kysela
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[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: default avatarTakashi Iwai <tiwai@suse.de>
parent b14e77e6

sound/pci/ac97/ac97_patch.c

+37 −12
Original line number Diff line number Diff line
@@ -1621,8 +1621,27 @@ static const struct snd_kcontrol_new snd_ac97_ad1981x_jack_sense[] = { 
	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 @@ static struct snd_ac97_build_ops patch_ad1981a_build_ops = { 
#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 @@ static int patch_ad1981b_specific(struct snd_ac97 *ac97) 


	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));

}