Merge branch 'fix/misc' into for-linus

8 files changed, 122 insertions, 47 deletions

diff --git a/sound/core/vmaster.c b/sound/core/vmaster.c
index 5dbab38d04af..130cfe677d60 100644
--- a/sound/core/vmaster.c
+++ b/sound/core/vmaster.c
@@ -52,6 +52,7 @@ struct link_slave {
         struct link_ctl_info info;
         int vals[2];            /* current values */
         unsigned int flags;
+        struct snd_kcontrol *kctl; /* original kcontrol pointer */
         struct snd_kcontrol slave; /* the copy of original control entry */
 };
 
@@ -252,6 +253,7 @@ int _snd_ctl_add_slave(struct snd_kcontrol *master, struct snd_kcontrol *slave,
                        slave->count * sizeof(*slave->vd), GFP_KERNEL);
         if (!srec)
                 return -ENOMEM;
+        srec->kctl = slave;
         srec->slave = *slave;
         memcpy(srec->slave.vd, slave->vd, slave->count * sizeof(*slave->vd));
         srec->master = master_link;
@@ -333,10 +335,18 @@ static int master_put(struct snd_kcontrol *kcontrol,
 static void master_free(struct snd_kcontrol *kcontrol)
 {
         struct link_master *master = snd_kcontrol_chip(kcontrol);
-        struct link_slave *slave;
-
-        list_for_each_entry(slave, &master->slaves, list)
-                slave->master = NULL;
+        struct link_slave *slave, *n;
+
+        /* free all slave links and retore the original slave kctls */
+        list_for_each_entry_safe(slave, n, &master->slaves, list) {
+                struct snd_kcontrol *sctl = slave->kctl;
+                struct list_head olist = sctl->list;
+                memcpy(sctl, &slave->slave, sizeof(*sctl));
+                memcpy(sctl->vd, slave->slave.vd,
+                       sctl->count * sizeof(*sctl->vd));
+                sctl->list = olist; /* keep the current linked-list */
+                kfree(slave);
+        }
         kfree(master);
 }
 
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 916a1863af73..e44b107fdc75 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2331,6 +2331,39 @@ int snd_hda_codec_reset(struct hda_codec *codec)
         return 0;
 }
 
+typedef int (*map_slave_func_t)(void *, struct snd_kcontrol *);
+
+/* apply the function to all matching slave ctls in the mixer list */
+static int map_slaves(struct hda_codec *codec, const char * const *slaves,
+                      map_slave_func_t func, void *data) 
+{
+        struct hda_nid_item *items;
+        const char * const *s;
+        int i, err;
+
+        items = codec->mixers.list;
+        for (i = 0; i < codec->mixers.used; i++) {
+                struct snd_kcontrol *sctl = items[i].kctl;
+                if (!sctl || !sctl->id.name ||
+                    sctl->id.iface != SNDRV_CTL_ELEM_IFACE_MIXER)
+                        continue;
+                for (s = slaves; *s; s++) {
+                        if (!strcmp(sctl->id.name, *s)) {
+                                err = func(data, sctl);
+                                if (err)
+                                        return err;
+                                break;
+                        }
+                }
+        }
+        return 0;
+}
+
+static int check_slave_present(void *data, struct snd_kcontrol *sctl)
+{
+        return 1;
+}
+
 /**
  * snd_hda_add_vmaster - create a virtual master control and add slaves
  * @codec: HD-audio codec
@@ -2351,12 +2384,10 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
                         unsigned int *tlv, const char * const *slaves)
 {
         struct snd_kcontrol *kctl;
-        const char * const *s;
         int err;
 
-        for (s = slaves; *s && !snd_hda_find_mixer_ctl(codec, *s); s++)
-                ;
-        if (!*s) {
+        err = map_slaves(codec, slaves, check_slave_present, NULL);
+        if (err != 1) {
                 snd_printdd("No slave found for %s\n", name);
                 return 0;
         }
@@ -2367,23 +2398,10 @@ int snd_hda_add_vmaster(struct hda_codec *codec, char *name,
         if (err < 0)
                 return err;
 
-        for (s = slaves; *s; s++) {
-                struct snd_kcontrol *sctl;
-                int i = 0;
-                for (;;) {
-                        sctl = _snd_hda_find_mixer_ctl(codec, *s, i);
-                        if (!sctl) {
-                                if (!i)
-                                        snd_printdd("Cannot find slave %s, "
-                                                    "skipped\n", *s);
-                                break;
-                        }
-                        err = snd_ctl_add_slave(kctl, sctl);
-                        if (err < 0)
-                                return err;
-                        i++;
-                }
-        }
+        err = map_slaves(codec, slaves, (map_slave_func_t)snd_ctl_add_slave,
+                         kctl);
+        if (err < 0)
+                return err;
         return 0;
 }
 EXPORT_SYMBOL_HDA(snd_hda_add_vmaster);
@@ -4752,6 +4770,7 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
         memset(sequences_hp, 0, sizeof(sequences_hp));
         assoc_line_out = 0;
 
+        codec->ignore_misc_bit = true;
         end_nid = codec->start_nid + codec->num_nodes;
         for (nid = codec->start_nid; nid < end_nid; nid++) {
                 unsigned int wid_caps = get_wcaps(codec, nid);
@@ -4767,6 +4786,9 @@ int snd_hda_parse_pin_defcfg(struct hda_codec *codec,
                         continue;
 
                 def_conf = snd_hda_codec_get_pincfg(codec, nid);
+                if (!(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
+                      AC_DEFCFG_MISC_NO_PRESENCE))
+                        codec->ignore_misc_bit = false;
                 conn = get_defcfg_connect(def_conf);
                 if (conn == AC_JACK_PORT_NONE)
                         continue;
diff --git a/sound/pci/hda/hda_codec.h b/sound/pci/hda/hda_codec.h
index 755f2b0f9d8e..564471169cae 100644
--- a/sound/pci/hda/hda_codec.h
+++ b/sound/pci/hda/hda_codec.h
@@ -854,6 +854,7 @@ struct hda_codec {
         unsigned int no_sticky_stream:1; /* no sticky-PCM stream assignment */
         unsigned int pins_shutup:1;     /* pins are shut up */
         unsigned int no_trigger_sense:1; /* don't trigger at pin-sensing */
+        unsigned int ignore_misc_bit:1; /* ignore MISC_NO_PRESENCE bit */
 #ifdef CONFIG_SND_HDA_POWER_SAVE
         unsigned int power_on :1;       /* current (global) power-state */
         unsigned int power_transition :1; /* power-state in transition */
diff --git a/sound/pci/hda/hda_local.h b/sound/pci/hda/hda_local.h
index dcbea0da0fa2..6579e0f2bb57 100644
--- a/sound/pci/hda/hda_local.h
+++ b/sound/pci/hda/hda_local.h
@@ -510,13 +510,15 @@ int snd_hda_jack_detect(struct hda_codec *codec, hda_nid_t nid);
 
 static inline bool is_jack_detectable(struct hda_codec *codec, hda_nid_t nid)
 {
-        return (snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT) &&
-                /* disable MISC_NO_PRESENCE check because it may break too
-                 * many devices
-                 */
-                /*(get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid) &
-                  AC_DEFCFG_MISC_NO_PRESENCE)) &&*/
-                (get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP);
+        if (!(snd_hda_query_pin_caps(codec, nid) & AC_PINCAP_PRES_DETECT))
+                return false;
+        if (!codec->ignore_misc_bit &&
+            (get_defcfg_misc(snd_hda_codec_get_pincfg(codec, nid)) &
+             AC_DEFCFG_MISC_NO_PRESENCE))
+                return false;
+        if (!(get_wcaps(codec, nid) & AC_WCAP_UNSOL_CAP))
+                return false;
+        return true;
 }
 
 /* flags for hda_nid_item */
diff --git a/sound/pci/hda/patch_sigmatel.c b/sound/pci/hda/patch_sigmatel.c
index 4e715fefebef..edc2b7bc177c 100644
--- a/sound/pci/hda/patch_sigmatel.c
+++ b/sound/pci/hda/patch_sigmatel.c
@@ -95,6 +95,7 @@ enum {
         STAC_92HD83XXX_REF,
         STAC_92HD83XXX_PWR_REF,
         STAC_DELL_S14,
+        STAC_DELL_VOSTRO_3500,
         STAC_92HD83XXX_HP,
         STAC_92HD83XXX_HP_cNB11_INTQUAD,
         STAC_HP_DV7_4000,
@@ -1659,6 +1660,12 @@ static const unsigned int dell_s14_pin_configs[10] = {
         0x40f000f0, 0x40f000f0,
 };
 
+static const unsigned int dell_vostro_3500_pin_configs[10] = {
+        0x02a11020, 0x0221101f, 0x400000f0, 0x90170110,
+        0x400000f1, 0x400000f2, 0x400000f3, 0x90a60160,
+        0x400000f4, 0x400000f5,
+};
+
 static const unsigned int hp_dv7_4000_pin_configs[10] = {
         0x03a12050, 0x0321201f, 0x40f000f0, 0x90170110,
         0x40f000f0, 0x40f000f0, 0x90170110, 0xd5a30140,
@@ -1675,6 +1682,7 @@ static const unsigned int *stac92hd83xxx_brd_tbl[STAC_92HD83XXX_MODELS] = {
         [STAC_92HD83XXX_REF] = ref92hd83xxx_pin_configs,
         [STAC_92HD83XXX_PWR_REF] = ref92hd83xxx_pin_configs,
         [STAC_DELL_S14] = dell_s14_pin_configs,
+        [STAC_DELL_VOSTRO_3500] = dell_vostro_3500_pin_configs,
         [STAC_92HD83XXX_HP_cNB11_INTQUAD] = hp_cNB11_intquad_pin_configs,
         [STAC_HP_DV7_4000] = hp_dv7_4000_pin_configs,
 };
@@ -1684,6 +1692,7 @@ static const char * const stac92hd83xxx_models[STAC_92HD83XXX_MODELS] = {
         [STAC_92HD83XXX_REF] = "ref",
         [STAC_92HD83XXX_PWR_REF] = "mic-ref",
         [STAC_DELL_S14] = "dell-s14",
+        [STAC_DELL_VOSTRO_3500] = "dell-vostro-3500",
         [STAC_92HD83XXX_HP] = "hp",
         [STAC_92HD83XXX_HP_cNB11_INTQUAD] = "hp_cNB11_intquad",
         [STAC_HP_DV7_4000] = "hp-dv7-4000",
@@ -1697,6 +1706,8 @@ static const struct snd_pci_quirk stac92hd83xxx_cfg_tbl[] = {
                       "DFI LanParty", STAC_92HD83XXX_REF),
         SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x02ba,
                       "unknown Dell", STAC_DELL_S14),
+        SND_PCI_QUIRK(PCI_VENDOR_ID_DELL, 0x1028,
+                      "Dell Vostro 3500", STAC_DELL_VOSTRO_3500),
         SND_PCI_QUIRK_MASK(PCI_VENDOR_ID_HP, 0xff00, 0x3600,
                           "HP", STAC_92HD83XXX_HP),
         SND_PCI_QUIRK(PCI_VENDOR_ID_HP, 0x1656,
diff --git a/sound/pci/intel8x0.c b/sound/pci/intel8x0.c
index c3b9bd0e188e..11718b49b2e2 100644
--- a/sound/pci/intel8x0.c
+++ b/sound/pci/intel8x0.c
@@ -2937,6 +2937,45 @@ static unsigned int sis_codec_bits[3] = {
         ICH_PCR, ICH_SCR, ICH_SIS_TCR
 };
 
+static int __devinit snd_intel8x0_inside_vm(struct pci_dev *pci)
+{
+        int result  = inside_vm;
+        char *msg   = NULL;
+
+        /* check module parameter first (override detection) */
+        if (result >= 0) {
+                msg = result ? "enable (forced) VM" : "disable (forced) VM";
+                goto fini;
+        }
+
+        /* detect KVM and Parallels virtual environments */
+        result = kvm_para_available();
+#ifdef X86_FEATURE_HYPERVISOR
+        result = result || boot_cpu_has(X86_FEATURE_HYPERVISOR);
+#endif
+        if (!result)
+                goto fini;
+
+        /* check for known (emulated) devices */
+        if (pci->subsystem_vendor == 0x1af4 &&
+            pci->subsystem_device == 0x1100) {
+                /* KVM emulated sound, PCI SSID: 1af4:1100 */
+                msg = "enable KVM";
+        } else if (pci->subsystem_vendor == 0x1ab8) {
+                /* Parallels VM emulated sound, PCI SSID: 1ab8:xxxx */
+                msg = "enable Parallels VM";
+        } else {
+                msg = "disable (unknown or VT-d) VM";
+                result = 0;
+        }
+
+fini:
+        if (msg != NULL)
+                printk(KERN_INFO "intel8x0: %s optimization\n", msg);
+
+        return result;
+}
+
 static int __devinit snd_intel8x0_create(struct snd_card *card,
                                          struct pci_dev *pci,
                                          unsigned long device_type,
@@ -3004,9 +3043,7 @@ static int __devinit snd_intel8x0_create(struct snd_card *card,
         if (xbox)
                 chip->xbox = 1;
 
-        chip->inside_vm = inside_vm;
-        if (inside_vm)
-                printk(KERN_INFO "intel8x0: enable KVM optimization\n");
+        chip->inside_vm = snd_intel8x0_inside_vm(pci);
 
         if (pci->vendor == PCI_VENDOR_ID_INTEL &&
             pci->device == PCI_DEVICE_ID_INTEL_440MX)
@@ -3250,14 +3287,6 @@ static int __devinit snd_intel8x0_probe(struct pci_dev *pci,
                         buggy_irq = 0;
         }
 
-        if (inside_vm < 0) {
-                /* detect KVM and Parallels virtual environments */
-                inside_vm = kvm_para_available();
-#if defined(__i386__) || defined(__x86_64__)
-                inside_vm = inside_vm || boot_cpu_has(X86_FEATURE_HYPERVISOR);
-#endif
-        }
-
         if ((err = snd_intel8x0_create(card, pci, pci_id->driver_data,
                                        &chip)) < 0) {
                 snd_card_free(card);
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index c5444e00f0c6..ab23869c01bb 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -799,6 +799,7 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 
         case USB_ID(0x046d, 0x0808):
         case USB_ID(0x046d, 0x0809):
+        case USB_ID(0x046d, 0x081d): /* HD Webcam c510 */
         case USB_ID(0x046d, 0x0991):
         /* Most audio usb devices lie about volume resolution.
          * Most Logitech webcams have res = 384.
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 2e5bc7344026..a3ddac0deffd 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -137,12 +137,12 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
                 return -ENOMEM;
         }
         if (fp->nr_rates > 0) {
-                rate_table = kmalloc(sizeof(int) * fp->nr_rates, GFP_KERNEL);
+                rate_table = kmemdup(fp->rate_table,
+                                     sizeof(int) * fp->nr_rates, GFP_KERNEL);
                 if (!rate_table) {
                         kfree(fp);
                         return -ENOMEM;
                 }
-                memcpy(rate_table, fp->rate_table, sizeof(int) * fp->nr_rates);
                 fp->rate_table = rate_table;
         }
 
@@ -224,10 +224,9 @@ static int create_uaxx_quirk(struct snd_usb_audio *chip,
         if (altsd->bNumEndpoints != 1)
                 return -ENXIO;
 
-        fp = kmalloc(sizeof(*fp), GFP_KERNEL);
+        fp = kmemdup(&ua_format, sizeof(*fp), GFP_KERNEL);
         if (!fp)
                 return -ENOMEM;
-        memcpy(fp, &ua_format, sizeof(*fp));
 
         fp->iface = altsd->bInterfaceNumber;
         fp->endpoint = get_endpoint(alts, 0)->bEndpointAddress;