ALSA: hda - Read buffer overflow

[pandora-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 bbb9b42..51c44fd 100644 (file)
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -275,13 +275,13 @@ struct alc_spec {
                                                 */
        unsigned int num_init_verbs;
 
-       char stream_name_analog[16];    /* analog PCM stream */
+       char stream_name_analog[32];    /* analog PCM stream */
        struct hda_pcm_stream *stream_analog_playback;
        struct hda_pcm_stream *stream_analog_capture;
        struct hda_pcm_stream *stream_analog_alt_playback;
        struct hda_pcm_stream *stream_analog_alt_capture;
 
-       char stream_name_digital[16];   /* digital PCM stream */
+       char stream_name_digital[32];   /* digital PCM stream */
        struct hda_pcm_stream *stream_digital_playback;
        struct hda_pcm_stream *stream_digital_capture;
 
@@ -559,7 +559,7 @@ static int alc_pin_mode_get(struct snd_kcontrol *kcontrol,
 
        /* Find enumerated value for current pinctl setting */
        i = alc_pin_mode_min(dir);
-       while (alc_pin_mode_values[i] != pinctl && i <= alc_pin_mode_max(dir))
+       while (i <= alc_pin_mode_max(dir) && alc_pin_mode_values[i] != pinctl)
                i++;
        *valp = i <= alc_pin_mode_max(dir) ? i: alc_pin_mode_min(dir);
        return 0;
@@ -4505,6 +4505,12 @@ static int alc880_parse_auto_config(struct hda_codec *codec)
                                              &dig_nid, 1);
                if (err < 0)
                        continue;
+               if (dig_nid > 0x7f) {
+                       printk(KERN_ERR "alc880_auto: invalid dig_nid "
+                               "connection 0x%x for NID 0x%x\n", dig_nid,
+                               spec->autocfg.dig_out_pins[i]);
+                       continue;
+               }
                if (!i)
                        spec->multiout.dig_out_nid = dig_nid;
                else {
@@ -10625,6 +10631,18 @@ static void alc262_lenovo_3000_unsol_event(struct hda_codec *codec,
        alc262_lenovo_3000_automute(codec, 1);
 }
 
+static int amp_stereo_mute_update(struct hda_codec *codec, hda_nid_t nid,
+                                 int dir, int idx, long *valp)
+{
+       int i, change = 0;
+
+       for (i = 0; i < 2; i++, valp++)
+               change |= snd_hda_codec_amp_update(codec, nid, i, dir, idx,
+                                                  HDA_AMP_MUTE,
+                                                  *valp ? 0 : HDA_AMP_MUTE);
+       return change;
+}
+
 /* bind hp and internal speaker mute (with plug check) */
 static int alc262_fujitsu_master_sw_put(struct snd_kcontrol *kcontrol,
                                         struct snd_ctl_elem_value *ucontrol)
@@ -10633,13 +10651,8 @@ static int alc262_fujitsu_master_sw_put(struct snd_kcontrol *kcontrol,
        long *valp = ucontrol->value.integer.value;
        int change;
 
-       change = snd_hda_codec_amp_stereo(codec, 0x14, HDA_OUTPUT, 0,
-                                                HDA_AMP_MUTE,
-                                                valp ? 0 : HDA_AMP_MUTE);
-       change |= snd_hda_codec_amp_stereo(codec, 0x1b, HDA_OUTPUT, 0,
-                                                HDA_AMP_MUTE,
-                                                valp ? 0 : HDA_AMP_MUTE);
-
+       change = amp_stereo_mute_update(codec, 0x14, HDA_OUTPUT, 0, valp);
+       change |= amp_stereo_mute_update(codec, 0x1b, HDA_OUTPUT, 0, valp);
        if (change)
                alc262_fujitsu_automute(codec, 0);
        return change;
@@ -10674,10 +10687,7 @@ static int alc262_lenovo_3000_master_sw_put(struct snd_kcontrol *kcontrol,
        long *valp = ucontrol->value.integer.value;
        int change;
 
-       change = snd_hda_codec_amp_stereo(codec, 0x1b, HDA_OUTPUT, 0,
-                                                HDA_AMP_MUTE,
-                                                valp ? 0 : HDA_AMP_MUTE);
-
+       change = amp_stereo_mute_update(codec, 0x1b, HDA_OUTPUT, 0, valp);
        if (change)
                alc262_lenovo_3000_automute(codec, 0);
        return change;
@@ -11848,12 +11858,7 @@ static int alc268_acer_master_sw_put(struct snd_kcontrol *kcontrol,
        long *valp = ucontrol->value.integer.value;
        int change;
 
-       change = snd_hda_codec_amp_update(codec, 0x14, 0, HDA_OUTPUT, 0,
-                                         HDA_AMP_MUTE,
-                                         valp[0] ? 0 : HDA_AMP_MUTE);
-       change |= snd_hda_codec_amp_update(codec, 0x14, 1, HDA_OUTPUT, 0,
-                                          HDA_AMP_MUTE,
-                                          valp[1] ? 0 : HDA_AMP_MUTE);
+       change = amp_stereo_mute_update(codec, 0x14, HDA_OUTPUT, 0, valp);
        if (change)
                alc268_acer_automute(codec, 0);
        return change;
@@ -15152,7 +15157,7 @@ static struct snd_pci_quirk alc861vd_cfg_tbl[] = {
        SND_PCI_QUIRK(0x10de, 0x03f0, "Realtek ALC660 demo", ALC660VD_3ST),
        SND_PCI_QUIRK(0x1179, 0xff00, "Toshiba A135", ALC861VD_LENOVO),
        /*SND_PCI_QUIRK(0x1179, 0xff00, "DALLAS", ALC861VD_DALLAS),*/ /*lenovo*/
-       SND_PCI_QUIRK(0x1179, 0xff01, "DALLAS", ALC861VD_DALLAS),
+       SND_PCI_QUIRK(0x1179, 0xff01, "Toshiba A135", ALC861VD_LENOVO),
        SND_PCI_QUIRK(0x1179, 0xff03, "Toshiba P205", ALC861VD_LENOVO),
        SND_PCI_QUIRK(0x1179, 0xff31, "Toshiba L30-149", ALC861VD_DALLAS),
        SND_PCI_QUIRK(0x1565, 0x820d, "Biostar NF61S SE", ALC861VD_6ST_DIG),