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>

diff --git a/sound/pci/hda/patch_via.c b/sound/pci/hda/patch_via.c
index 5a45a91..430cb33 100644 (file)
--- 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);
 }