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Code

ALSA: hda - add mic mute led hook for dell machines

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The mic mute led on dell laptops is controlled by the wmi driver.
Followed this part being merged to the kernel, we add the mic mute led
hook in the hda driver.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Hui Wang <hui.wang@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Hui Wang 2014-07-31 11:52:38 +08:00 committed by Takashi Iwai
parent 27c828816d
commit 00ef99408b
2 changed files with 89 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

76
sound/pci/hda/dell_wmi_helper.c Normal file
View File

@ -0,0 +1,76 @@
/* Helper functions for Dell Mic Mute LED control;
* to be included from codec driver
*/
#if IS_ENABLED(CONFIG_LEDS_DELL_NETBOOKS)
#include <linux/dell-led.h>
static int dell_led_value;
static int (*dell_led_set_func)(int, int);
static void (*dell_old_cap_hook)(struct hda_codec *,
struct snd_kcontrol *,
struct snd_ctl_elem_value *);
static void update_dell_wmi_micmute_led(struct hda_codec *codec,
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol)
{
if (dell_old_cap_hook)
dell_old_cap_hook(codec, kcontrol, ucontrol);
if (!ucontrol || !dell_led_set_func)
return;
if (strcmp("Capture Switch", ucontrol->id.name) == 0 && ucontrol->id.index == 0) {
/* TODO: How do I verify if it's a mono or stereo here? */
int val = (ucontrol->value.integer.value[0] || ucontrol->value.integer.value[1]) ? 0 : 1;
if (val == dell_led_value)
return;
dell_led_value = val;
if (dell_led_set_func)
dell_led_set_func(DELL_LED_MICMUTE, dell_led_value);
}
}
static void alc_fixup_dell_wmi(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
struct alc_spec *spec = codec->spec;
bool removefunc = false;
if (action == HDA_FIXUP_ACT_PROBE) {
if (!dell_led_set_func)
dell_led_set_func = symbol_request(dell_app_wmi_led_set);
if (!dell_led_set_func) {
codec_warn(codec, "Failed to find dell wmi symbol dell_app_wmi_led_set\n");
return;
}
removefunc = true;
if (dell_led_set_func(DELL_LED_MICMUTE, false) >= 0) {
dell_led_value = 0;
if (spec->gen.num_adc_nids > 1)
codec_dbg(codec, "Skipping micmute LED control due to several ADCs");
else {
dell_old_cap_hook = spec->gen.cap_sync_hook;
spec->gen.cap_sync_hook = update_dell_wmi_micmute_led;
removefunc = false;
}
}
}
if (dell_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
symbol_put(dell_app_wmi_led_set);
dell_led_set_func = NULL;
dell_old_cap_hook = NULL;
}
}
#else /* CONFIG_LEDS_DELL_NETBOOKS */
static void alc_fixup_dell_wmi(struct hda_codec *codec,
const struct hda_fixup *fix, int action)
{
}
#endif /* CONFIG_LEDS_DELL_NETBOOKS */

13
sound/pci/hda/patch_realtek.c
View File

@ -4295,6 +4295,9 @@ static void alc290_fixup_mono_speakers(struct hda_codec *codec,
/* for hda_fixup_thinkpad_acpi() */
#include "thinkpad_helper.c"
/* for dell wmi mic mute led */
#include "dell_wmi_helper.c"
enum {
ALC269_FIXUP_SONY_VAIO,
ALC275_FIXUP_SONY_VAIO_GPIO2,
@ -4359,6 +4362,7 @@ enum {
ALC293_FIXUP_DELL1_MIC_NO_PRESENCE,
ALC292_FIXUP_TPT440_DOCK,
ALC283_FIXUP_BXBT2807_MIC,
ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED,
};
static const struct hda_fixup alc269_fixups[] = {
@ -4800,6 +4804,13 @@ static const struct hda_fixup alc269_fixups[] = {
{ },
},
},
[ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED] = {
.type = HDA_FIXUP_FUNC,
.v.func = alc_fixup_dell_wmi,
.chained_before = true,
.chain_id = ALC255_FIXUP_DELL1_MIC_NO_PRESENCE
},
};
static const struct snd_pci_quirk alc269_fixup_tbl[] = {
@ -4842,10 +4853,12 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1028, 0x0606, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0608, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0609, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0610, "Dell", ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED),
SND_PCI_QUIRK(0x1028, 0x0613, "Dell", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0614, "Dell Inspiron 3135", ALC269_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x0615, "Dell Vostro 5470", ALC290_FIXUP_SUBWOOFER_HSJACK),
SND_PCI_QUIRK(0x1028, 0x0616, "Dell Vostro 5470", ALC290_FIXUP_SUBWOOFER_HSJACK),
SND_PCI_QUIRK(0x1028, 0x061f, "Dell", ALC255_FIXUP_DELL_WMI_MIC_MUTE_LED),
SND_PCI_QUIRK(0x1028, 0x0638, "Dell Inspiron 5439", ALC290_FIXUP_MONO_SPEAKERS_HSJACK),
SND_PCI_QUIRK(0x1028, 0x063f, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE),
SND_PCI_QUIRK(0x1028, 0x064a, "Dell", ALC293_FIXUP_DELL1_MIC_NO_PRESENCE),