The GPIO line used for the mute LED control on Lenovo Yxx0 laptops is cleared unexpectedly when the codec goes to D3, typically by power-saving. For avoiding it, add a power filter in the fixup.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=16373 Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/pci/hda/patch_realtek.c | 11 +++++++++++ 1 file changed, 11 insertions(+)

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 3829cb5ebc2b..817a52efe750 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -4832,6 +4832,17 @@ static void alc662_led_gpio1_mute_hook(void *private_data, int enabled) spec->gpio_led); }

+/* avoid D3 for keeping GPIO up */ +static unsigned int gpio_led_power_filter(struct hda_codec *codec, + hda_nid_t nid, + unsigned int power_state) +{ + struct alc_spec *spec = codec->spec; + if (nid == codec->afg && power_state == AC_PWRST_D3 && spec->gpio_led) + return AC_PWRST_D0; + return power_state; +} + static void alc662_fixup_led_gpio1(struct hda_codec *codec, const struct hda_fixup *fix, int action) {