ALSA: hda - restore the gpio led after resume

[platform/adaptation/renesas_rcar/renesas_kernel.git] / sound / pci / hda / patch_realtek.c

diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index c718133..7b76e1b 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -3064,6 +3064,15 @@ static int alc269_resume(struct hda_codec *codec)
        snd_hda_codec_resume_cache(codec);
        alc_inv_dmic_sync(codec, true);
        hda_call_check_power_status(codec, 0x01);
+
+       /* on some machine, the BIOS will clear the codec gpio data when enter
+        * suspend, and won't restore the data after resume, so we restore it
+        * in the driver.
+        */
+       if (spec->gpio_led)
+               snd_hda_codec_write(codec, codec->afg, 0, AC_VERB_SET_GPIO_DATA,
+                           spec->gpio_led);
+
        if (spec->has_alc5505_dsp)
                alc5505_dsp_resume(codec);