ALSA: hda - Remove dead GPIO code for VIA codec

From what I can conclude all GPIO handling was removed in 2009.
Remove dead code remnants.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 0 insertions, 47 deletions

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 5a45a912aedc..430cb33c0e4c 100644
--- a/sound/pci/hda/patch_via.c
+++ b/sound/pci/hda/patch_via.c
@@ -299,7 +299,6 @@ static enum VIA_HDA_CODEC get_codec_type(struct hda_codec *codec)
 
 #define VIA_JACK_EVENT          0x20
 #define VIA_HP_EVENT            0x01
-#define VIA_GPIO_EVENT          0x02
 #define VIA_LINE_EVENT          0x03
 
 enum {
@@ -1685,50 +1684,6 @@ static void via_hp_automute(struct hda_codec *codec)
         via_line_automute(codec, present);
 }
 
-static void via_gpio_control(struct hda_codec *codec)
-{
-        unsigned int gpio_data;
-        unsigned int vol_counter;
-        unsigned int vol;
-        unsigned int master_vol;
-
-        struct via_spec *spec = codec->spec;
-
-        gpio_data = snd_hda_codec_read(codec, codec->afg, 0,
-                                       AC_VERB_GET_GPIO_DATA, 0) & 0x03;
-
-        vol_counter = (snd_hda_codec_read(codec, codec->afg, 0,
-                                          0xF84, 0) & 0x3F0000) >> 16;
-
-        vol = vol_counter & 0x1F;
-        master_vol = snd_hda_codec_read(codec, 0x1A, 0,
-                                        AC_VERB_GET_AMP_GAIN_MUTE,
-                                        AC_AMP_GET_INPUT);
-
-        if (gpio_data == 0x02) {
-                /* unmute line out */
-                snd_hda_set_pin_ctl(codec, spec->autocfg.line_out_pins[0],
-                                    PIN_OUT);
-                if (vol_counter & 0x20) {
-                        /* decrease volume */
-                        if (vol > master_vol)
-                                vol = master_vol;
-                        snd_hda_codec_amp_stereo(codec, 0x1A, HDA_INPUT,
-                                                 0, HDA_AMP_VOLMASK,
-                                                 master_vol-vol);
-                } else {
-                        /* increase volume */
-                        snd_hda_codec_amp_stereo(codec, 0x1A, HDA_INPUT, 0,
-                                         HDA_AMP_VOLMASK,
-                                         ((master_vol+vol) > 0x2A) ? 0x2A :
-                                          (master_vol+vol));
-                }
-        } else if (!(gpio_data & 0x02)) {
-                /* mute line out */
-                snd_hda_set_pin_ctl(codec, spec->autocfg.line_out_pins[0], 0);
-        }
-}
-
 /* unsolicited event for jack sensing */
 static void via_unsol_event(struct hda_codec *codec,
                                   unsigned int res)
@@ -1743,8 +1698,6 @@ static void via_unsol_event(struct hda_codec *codec,
 
         if (res == VIA_HP_EVENT || res == VIA_LINE_EVENT)
                 via_hp_automute(codec);
-        else if (res == VIA_GPIO_EVENT)
-                via_gpio_control(codec);
         snd_hda_jack_report_sync(codec);
 }