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-rw-r--r--sound/firewire/isight.c44
-rw-r--r--sound/firewire/scs1x.c39
-rw-r--r--sound/firewire/speakers.c106
-rw-r--r--sound/pci/hda/patch_analog.c12
-rw-r--r--sound/pci/hda/patch_realtek.c19
-rw-r--r--sound/soc/codecs/wm8962.c2
-rw-r--r--sound/soc/fsl/imx-sgtl5000.c4
-rw-r--r--sound/soc/mxs/mxs-saif.c35
-rw-r--r--sound/soc/omap/rx51.c2
-rw-r--r--sound/soc/samsung/i2s.c66
-rw-r--r--sound/soc/samsung/s3c-i2s-v2.c4
-rw-r--r--sound/usb/quirks.c4
12 files changed, 156 insertions, 181 deletions
diff --git a/sound/firewire/isight.c b/sound/firewire/isight.c
index d428ffe..58a5afe 100644
--- a/sound/firewire/isight.c
+++ b/sound/firewire/isight.c
@@ -626,9 +626,9 @@ static u64 get_unit_base(struct fw_unit *unit)
return 0;
}
-static int isight_probe(struct device *unit_dev)
+static int isight_probe(struct fw_unit *unit,
+ const struct ieee1394_device_id *id)
{
- struct fw_unit *unit = fw_unit(unit_dev);
struct fw_device *fw_dev = fw_parent_device(unit);
struct snd_card *card;
struct isight *isight;
@@ -637,7 +637,7 @@ static int isight_probe(struct device *unit_dev)
err = snd_card_create(-1, NULL, THIS_MODULE, sizeof(*isight), &card);
if (err < 0)
return err;
- snd_card_set_dev(card, unit_dev);
+ snd_card_set_dev(card, &unit->device);
isight = card->private_data;
isight->card = card;
@@ -674,7 +674,7 @@ static int isight_probe(struct device *unit_dev)
if (err < 0)
goto error;
- dev_set_drvdata(unit_dev, isight);
+ dev_set_drvdata(&unit->device, isight);
return 0;
@@ -686,23 +686,6 @@ error:
return err;
}
-static int isight_remove(struct device *dev)
-{
- struct isight *isight = dev_get_drvdata(dev);
-
- isight_pcm_abort(isight);
-
- snd_card_disconnect(isight->card);
-
- mutex_lock(&isight->mutex);
- isight_stop_streaming(isight);
- mutex_unlock(&isight->mutex);
-
- snd_card_free_when_closed(isight->card);
-
- return 0;
-}
-
static void isight_bus_reset(struct fw_unit *unit)
{
struct isight *isight = dev_get_drvdata(&unit->device);
@@ -716,6 +699,21 @@ static void isight_bus_reset(struct fw_unit *unit)
}
}
+static void isight_remove(struct fw_unit *unit)
+{
+ struct isight *isight = dev_get_drvdata(&unit->device);
+
+ isight_pcm_abort(isight);
+
+ snd_card_disconnect(isight->card);
+
+ mutex_lock(&isight->mutex);
+ isight_stop_streaming(isight);
+ mutex_unlock(&isight->mutex);
+
+ snd_card_free_when_closed(isight->card);
+}
+
static const struct ieee1394_device_id isight_id_table[] = {
{
.match_flags = IEEE1394_MATCH_SPECIFIER_ID |
@@ -732,10 +730,10 @@ static struct fw_driver isight_driver = {
.owner = THIS_MODULE,
.name = KBUILD_MODNAME,
.bus = &fw_bus_type,
- .probe = isight_probe,
- .remove = isight_remove,
},
+ .probe = isight_probe,
.update = isight_bus_reset,
+ .remove = isight_remove,
.id_table = isight_id_table,
};
diff --git a/sound/firewire/scs1x.c b/sound/firewire/scs1x.c
index b252c21..505fc81 100644
--- a/sound/firewire/scs1x.c
+++ b/sound/firewire/scs1x.c
@@ -384,9 +384,8 @@ static void scs_card_free(struct snd_card *card)
kfree(scs->buffer);
}
-static int scs_probe(struct device *unit_dev)
+static int scs_probe(struct fw_unit *unit, const struct ieee1394_device_id *id)
{
- struct fw_unit *unit = fw_unit(unit_dev);
struct fw_device *fw_dev = fw_parent_device(unit);
struct snd_card *card;
struct scs *scs;
@@ -395,7 +394,7 @@ static int scs_probe(struct device *unit_dev)
err = snd_card_create(-16, NULL, THIS_MODULE, sizeof(*scs), &card);
if (err < 0)
return err;
- snd_card_set_dev(card, unit_dev);
+ snd_card_set_dev(card, &unit->device);
scs = card->private_data;
scs->card = card;
@@ -442,7 +441,7 @@ static int scs_probe(struct device *unit_dev)
if (err < 0)
goto err_card;
- dev_set_drvdata(unit_dev, scs);
+ dev_set_drvdata(&unit->device, scs);
return 0;
@@ -453,9 +452,20 @@ err_card:
return err;
}
-static int scs_remove(struct device *dev)
+static void scs_update(struct fw_unit *unit)
{
- struct scs *scs = dev_get_drvdata(dev);
+ struct scs *scs = dev_get_drvdata(&unit->device);
+ __be64 data;
+
+ data = cpu_to_be64(((u64)HSS1394_TAG_CHANGE_ADDRESS << 56) |
+ scs->hss_handler.offset);
+ snd_fw_transaction(scs->unit, TCODE_WRITE_BLOCK_REQUEST,
+ HSS1394_ADDRESS, &data, 8);
+}
+
+static void scs_remove(struct fw_unit *unit)
+{
+ struct scs *scs = dev_get_drvdata(&unit->device);
snd_card_disconnect(scs->card);
@@ -467,19 +477,6 @@ static int scs_remove(struct device *dev)
tasklet_kill(&scs->tasklet);
snd_card_free_when_closed(scs->card);
-
- return 0;
-}
-
-static void scs_update(struct fw_unit *unit)
-{
- struct scs *scs = dev_get_drvdata(&unit->device);
- __be64 data;
-
- data = cpu_to_be64(((u64)HSS1394_TAG_CHANGE_ADDRESS << 56) |
- scs->hss_handler.offset);
- snd_fw_transaction(scs->unit, TCODE_WRITE_BLOCK_REQUEST,
- HSS1394_ADDRESS, &data, 8);
}
static const struct ieee1394_device_id scs_id_table[] = {
@@ -508,10 +505,10 @@ static struct fw_driver scs_driver = {
.owner = THIS_MODULE,
.name = KBUILD_MODNAME,
.bus = &fw_bus_type,
- .probe = scs_probe,
- .remove = scs_remove,
},
+ .probe = scs_probe,
.update = scs_update,
+ .remove = scs_remove,
.id_table = scs_id_table,
};
diff --git a/sound/firewire/speakers.c b/sound/firewire/speakers.c
index d684655..2c63865 100644
--- a/sound/firewire/speakers.c
+++ b/sound/firewire/speakers.c
@@ -663,45 +663,9 @@ static void fwspk_card_free(struct snd_card *card)
mutex_destroy(&fwspk->mutex);
}
-static const struct device_info *fwspk_detect(struct fw_device *dev)
+static int fwspk_probe(struct fw_unit *unit,
+ const struct ieee1394_device_id *id)
{
- static const struct device_info griffin_firewave = {
- .driver_name = "FireWave",
- .short_name = "FireWave",
- .long_name = "Griffin FireWave Surround",
- .pcm_constraints = firewave_constraints,
- .mixer_channels = 6,
- .mute_fb_id = 0x01,
- .volume_fb_id = 0x02,
- };
- static const struct device_info lacie_speakers = {
- .driver_name = "FWSpeakers",
- .short_name = "FireWire Speakers",
- .long_name = "LaCie FireWire Speakers",
- .pcm_constraints = lacie_speakers_constraints,
- .mixer_channels = 1,
- .mute_fb_id = 0x01,
- .volume_fb_id = 0x01,
- };
- struct fw_csr_iterator i;
- int key, value;
-
- fw_csr_iterator_init(&i, dev->config_rom);
- while (fw_csr_iterator_next(&i, &key, &value))
- if (key == CSR_VENDOR)
- switch (value) {
- case VENDOR_GRIFFIN:
- return &griffin_firewave;
- case VENDOR_LACIE:
- return &lacie_speakers;
- }
-
- return NULL;
-}
-
-static int fwspk_probe(struct device *unit_dev)
-{
- struct fw_unit *unit = fw_unit(unit_dev);
struct fw_device *fw_dev = fw_parent_device(unit);
struct snd_card *card;
struct fwspk *fwspk;
@@ -711,17 +675,13 @@ static int fwspk_probe(struct device *unit_dev)
err = snd_card_create(-1, NULL, THIS_MODULE, sizeof(*fwspk), &card);
if (err < 0)
return err;
- snd_card_set_dev(card, unit_dev);
+ snd_card_set_dev(card, &unit->device);
fwspk = card->private_data;
fwspk->card = card;
mutex_init(&fwspk->mutex);
fwspk->unit = fw_unit_get(unit);
- fwspk->device_info = fwspk_detect(fw_dev);
- if (!fwspk->device_info) {
- err = -ENODEV;
- goto err_unit;
- }
+ fwspk->device_info = (const struct device_info *)id->driver_data;
err = cmp_connection_init(&fwspk->connection, unit, 0);
if (err < 0)
@@ -756,7 +716,7 @@ static int fwspk_probe(struct device *unit_dev)
if (err < 0)
goto error;
- dev_set_drvdata(unit_dev, fwspk);
+ dev_set_drvdata(&unit->device, fwspk);
return 0;
@@ -770,22 +730,6 @@ error:
return err;
}
-static int fwspk_remove(struct device *dev)
-{
- struct fwspk *fwspk = dev_get_drvdata(dev);
-
- amdtp_out_stream_pcm_abort(&fwspk->stream);
- snd_card_disconnect(fwspk->card);
-
- mutex_lock(&fwspk->mutex);
- fwspk_stop_stream(fwspk);
- mutex_unlock(&fwspk->mutex);
-
- snd_card_free_when_closed(fwspk->card);
-
- return 0;
-}
-
static void fwspk_bus_reset(struct fw_unit *unit)
{
struct fwspk *fwspk = dev_get_drvdata(&unit->device);
@@ -803,6 +747,40 @@ static void fwspk_bus_reset(struct fw_unit *unit)
amdtp_out_stream_update(&fwspk->stream);
}
+static void fwspk_remove(struct fw_unit *unit)
+{
+ struct fwspk *fwspk = dev_get_drvdata(&unit->device);
+
+ amdtp_out_stream_pcm_abort(&fwspk->stream);
+ snd_card_disconnect(fwspk->card);
+
+ mutex_lock(&fwspk->mutex);
+ fwspk_stop_stream(fwspk);
+ mutex_unlock(&fwspk->mutex);
+
+ snd_card_free_when_closed(fwspk->card);
+}
+
+static const struct device_info griffin_firewave = {
+ .driver_name = "FireWave",
+ .short_name = "FireWave",
+ .long_name = "Griffin FireWave Surround",
+ .pcm_constraints = firewave_constraints,
+ .mixer_channels = 6,
+ .mute_fb_id = 0x01,
+ .volume_fb_id = 0x02,
+};
+
+static const struct device_info lacie_speakers = {
+ .driver_name = "FWSpeakers",
+ .short_name = "FireWire Speakers",
+ .long_name = "LaCie FireWire Speakers",
+ .pcm_constraints = lacie_speakers_constraints,
+ .mixer_channels = 1,
+ .mute_fb_id = 0x01,
+ .volume_fb_id = 0x01,
+};
+
static const struct ieee1394_device_id fwspk_id_table[] = {
{
.match_flags = IEEE1394_MATCH_VENDOR_ID |
@@ -813,6 +791,7 @@ static const struct ieee1394_device_id fwspk_id_table[] = {
.model_id = 0x00f970,
.specifier_id = SPECIFIER_1394TA,
.version = VERSION_AVC,
+ .driver_data = (kernel_ulong_t)&griffin_firewave,
},
{
.match_flags = IEEE1394_MATCH_VENDOR_ID |
@@ -823,6 +802,7 @@ static const struct ieee1394_device_id fwspk_id_table[] = {
.model_id = 0x00f970,
.specifier_id = SPECIFIER_1394TA,
.version = VERSION_AVC,
+ .driver_data = (kernel_ulong_t)&lacie_speakers,
},
{ }
};
@@ -833,10 +813,10 @@ static struct fw_driver fwspk_driver = {
.owner = THIS_MODULE,
.name = KBUILD_MODNAME,
.bus = &fw_bus_type,
- .probe = fwspk_probe,
- .remove = fwspk_remove,
},
+ .probe = fwspk_probe,
.update = fwspk_bus_reset,
+ .remove = fwspk_remove,
.id_table = fwspk_id_table,
};
diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 977b0d8..d97f0d6 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -2112,6 +2112,9 @@ static void ad_vmaster_eapd_hook(void *private_data, int enabled)
{
struct hda_codec *codec = private_data;
struct ad198x_spec *spec = codec->spec;
+
+ if (!spec->eapd_nid)
+ return;
snd_hda_codec_update_cache(codec, spec->eapd_nid, 0,
AC_VERB_SET_EAPD_BTLENABLE,
enabled ? 0x02 : 0x00);
@@ -3601,13 +3604,16 @@ static void ad1884_fixup_hp_eapd(struct hda_codec *codec,
{
struct ad198x_spec *spec = codec->spec;
- if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ switch (action) {
+ case HDA_FIXUP_ACT_PRE_PROBE:
+ spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
+ break;
+ case HDA_FIXUP_ACT_PROBE:
if (spec->gen.autocfg.line_out_type == AUTO_PIN_SPEAKER_OUT)
spec->eapd_nid = spec->gen.autocfg.line_out_pins[0];
else
spec->eapd_nid = spec->gen.autocfg.speaker_pins[0];
- if (spec->eapd_nid)
- spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
+ break;
}
}
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 14ac9b0..8bd2261 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -37,6 +37,9 @@
#include "hda_jack.h"
#include "hda_generic.h"
+/* keep halting ALC5505 DSP, for power saving */
+#define HALT_REALTEK_ALC5505
+
/* unsol event tags */
#define ALC_DCVOL_EVENT 0x08
@@ -2659,15 +2662,27 @@ static void alc5505_dsp_init(struct hda_codec *codec)
alc5505_coef_set(codec, 0x880c, 0x00000004); /* DRAM Function control */
alc5505_coef_set(codec, 0x880c, 0x00000003);
alc5505_coef_set(codec, 0x880c, 0x00000010);
+
+#ifdef HALT_REALTEK_ALC5505
+ alc5505_dsp_halt(codec);
+#endif
}
+#ifdef HALT_REALTEK_ALC5505
+#define alc5505_dsp_suspend(codec) /* NOP */
+#define alc5505_dsp_resume(codec) /* NOP */
+#else
+#define alc5505_dsp_suspend(codec) alc5505_dsp_halt(codec)
+#define alc5505_dsp_resume(codec) alc5505_dsp_back_from_halt(codec)
+#endif
+
#ifdef CONFIG_PM
static int alc269_suspend(struct hda_codec *codec)
{
struct alc_spec *spec = codec->spec;
if (spec->has_alc5505_dsp)
- alc5505_dsp_halt(codec);
+ alc5505_dsp_suspend(codec);
return alc_suspend(codec);
}
@@ -2696,7 +2711,7 @@ static int alc269_resume(struct hda_codec *codec)
alc_inv_dmic_sync(codec, true);
hda_call_check_power_status(codec, 0x01);
if (spec->has_alc5505_dsp)
- alc5505_dsp_back_from_halt(codec);
+ alc5505_dsp_resume(codec);
return 0;
}
#endif /* CONFIG_PM */
diff --git a/sound/soc/codecs/wm8962.c b/sound/soc/codecs/wm8962.c
index b1dc7d4..e2de9ec 100644
--- a/sound/soc/codecs/wm8962.c
+++ b/sound/soc/codecs/wm8962.c
@@ -3377,7 +3377,7 @@ static int wm8962_probe(struct snd_soc_codec *codec)
{
int ret;
struct wm8962_priv *wm8962 = snd_soc_codec_get_drvdata(codec);
- struct wm8962_pdata *pdata = dev_get_platdata(codec->dev);
+ struct wm8962_pdata *pdata = &wm8962->pdata;
int i, trigger, irq_pol;
bool dmicclk, dmicdat;
diff --git a/sound/soc/fsl/imx-sgtl5000.c b/sound/soc/fsl/imx-sgtl5000.c
index 7a8bc12..3f726e4 100644
--- a/sound/soc/fsl/imx-sgtl5000.c
+++ b/sound/soc/fsl/imx-sgtl5000.c
@@ -113,13 +113,13 @@ static int imx_sgtl5000_probe(struct platform_device *pdev)
ssi_pdev = of_find_device_by_node(ssi_np);
if (!ssi_pdev) {
dev_err(&pdev->dev, "failed to find SSI platform device\n");
- ret = -EINVAL;
+ ret = -EPROBE_DEFER;
goto fail;
}
codec_dev = of_find_i2c_device_by_node(codec_np);
if (!codec_dev) {
dev_err(&pdev->dev, "failed to find codec platform device\n");
- return -EINVAL;
+ return -EPROBE_DEFER;
}
data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
diff --git a/sound/soc/mxs/mxs-saif.c b/sound/soc/mxs/mxs-saif.c
index 49d8700..54511c5 100644
--- a/sound/soc/mxs/mxs-saif.c
+++ b/sound/soc/mxs/mxs-saif.c
@@ -24,6 +24,7 @@
#include <linux/slab.h>
#include <linux/dma-mapping.h>
#include <linux/clk.h>
+#include <linux/clk-provider.h>
#include <linux/delay.h>
#include <linux/time.h>
#include <sound/core.h>
@@ -658,6 +659,33 @@ static irqreturn_t mxs_saif_irq(int irq, void *dev_id)
return IRQ_HANDLED;
}
+static int mxs_saif_mclk_init(struct platform_device *pdev)
+{
+ struct mxs_saif *saif = platform_get_drvdata(pdev);
+ struct device_node *np = pdev->dev.of_node;
+ struct clk *clk;
+ int ret;
+
+ clk = clk_register_divider(&pdev->dev, "mxs_saif_mclk",
+ __clk_get_name(saif->clk), 0,
+ saif->base + SAIF_CTRL,
+ BP_SAIF_CTRL_BITCLK_MULT_RATE, 3,
+ 0, NULL);
+ if (IS_ERR(clk)) {
+ ret = PTR_ERR(clk);
+ if (ret == -EEXIST)
+ return 0;
+ dev_err(&pdev->dev, "failed to register mclk: %d\n", ret);
+ return PTR_ERR(clk);
+ }
+
+ ret = of_clk_add_provider(np, of_clk_src_simple_get, clk);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
static int mxs_saif_probe(struct platform_device *pdev)
{
struct device_node *np = pdev->dev.of_node;
@@ -734,6 +762,13 @@ static int mxs_saif_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, saif);
+ /* We only support saif0 being tx and clock master */
+ if (saif->id == 0) {
+ ret = mxs_saif_mclk_init(pdev);
+ if (ret)
+ dev_warn(&pdev->dev, "failed to init clocks\n");
+ }
+
ret = snd_soc_register_component(&pdev->dev, &mxs_saif_component,
&mxs_saif_dai, 1);
if (ret) {
diff --git a/sound/soc/omap/rx51.c b/sound/soc/omap/rx51.c
index 249cd23..611179c 100644
--- a/sound/soc/omap/rx51.c
+++ b/sound/soc/omap/rx51.c
@@ -396,7 +396,7 @@ static int __init rx51_soc_init(void)
{
int err;
- if (!machine_is_nokia_rx51())
+ if (!machine_is_nokia_rx51() && !of_machine_is_compatible("nokia,omap3-n900"))
return -ENODEV;
err = gpio_request_one(RX51_TVOUT_SEL_GPIO,
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 82ebb1a..7a17346 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -1016,52 +1016,6 @@ static struct i2s_dai *i2s_alloc_dai(struct platform_device *pdev, bool sec)
return i2s;
}
-#ifdef CONFIG_OF
-static int samsung_i2s_parse_dt_gpio(struct i2s_dai *i2s)
-{
- struct device *dev = &i2s->pdev->dev;
- int index, gpio, ret;
-
- for (index = 0; index < 7; index++) {
- gpio = of_get_gpio(dev->of_node, index);
- if (!gpio_is_valid(gpio)) {
- dev_err(dev, "invalid gpio[%d]: %d\n", index, gpio);
- goto free_gpio;
- }
-
- ret = gpio_request(gpio, dev_name(dev));
- if (ret) {
- dev_err(dev, "gpio [%d] request failed\n", gpio);
- goto free_gpio;
- }
- i2s->gpios[index] = gpio;
- }
- return 0;
-
-free_gpio:
- while (--index >= 0)
- gpio_free(i2s->gpios[index]);
- return -EINVAL;
-}
-
-static void samsung_i2s_dt_gpio_free(struct i2s_dai *i2s)
-{
- unsigned int index;
- for (index = 0; index < 7; index++)
- gpio_free(i2s->gpios[index]);
-}
-#else
-static int samsung_i2s_parse_dt_gpio(struct i2s_dai *dai)
-{
- return -EINVAL;
-}
-
-static void samsung_i2s_dt_gpio_free(struct i2s_dai *dai)
-{
-}
-
-#endif
-
static const struct of_device_id exynos_i2s_match[];
static inline int samsung_i2s_get_driver_data(struct platform_device *pdev)
@@ -1235,18 +1189,10 @@ static int samsung_i2s_probe(struct platform_device *pdev)
pri_dai->sec_dai = sec_dai;
}
- if (np) {
- if (samsung_i2s_parse_dt_gpio(pri_dai)) {
- dev_err(&pdev->dev, "Unable to configure gpio\n");
- ret = -EINVAL;
- goto err;
- }
- } else {
- if (i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
- dev_err(&pdev->dev, "Unable to configure gpio\n");
- ret = -EINVAL;
- goto err;
- }
+ if (i2s_pdata && i2s_pdata->cfg_gpio && i2s_pdata->cfg_gpio(pdev)) {
+ dev_err(&pdev->dev, "Unable to configure gpio\n");
+ ret = -EINVAL;
+ goto err;
}
snd_soc_register_component(&pri_dai->pdev->dev, &samsung_i2s_component,
@@ -1267,14 +1213,10 @@ static int samsung_i2s_remove(struct platform_device *pdev)
{
struct i2s_dai *i2s, *other;
struct resource *res;
- struct s3c_audio_pdata *i2s_pdata = pdev->dev.platform_data;
i2s = dev_get_drvdata(&pdev->dev);
other = i2s->pri_dai ? : i2s->sec_dai;
- if (!i2s_pdata->cfg_gpio && pdev->dev.of_node)
- samsung_i2s_dt_gpio_free(i2s->pri_dai);
-
if (other) {
other->pri_dai = NULL;
other->sec_dai = NULL;
diff --git a/sound/soc/samsung/s3c-i2s-v2.c b/sound/soc/samsung/s3c-i2s-v2.c
index 20e98d1..e5e81b1 100644
--- a/sound/soc/samsung/s3c-i2s-v2.c
+++ b/sound/soc/samsung/s3c-i2s-v2.c
@@ -1,6 +1,4 @@
-/* sound/soc/samsung/s3c-i2c-v2.c
- *
- * ALSA Soc Audio Layer - I2S core for newer Samsung SoCs.
+/* ALSA Soc Audio Layer - I2S core for newer Samsung SoCs.
*
* Copyright (c) 2006 Wolfson Microelectronics PLC.
* Graeme Gregory graeme.gregory@wolfsonmicro.com
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 5b01330..1bc45e7 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -129,6 +129,7 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
{
struct audioformat *fp;
struct usb_host_interface *alts;
+ struct usb_interface_descriptor *altsd;
int stream, err;
unsigned *rate_table = NULL;
@@ -166,6 +167,9 @@ static int create_fixed_stream_quirk(struct snd_usb_audio *chip,
return -EINVAL;
}
alts = &iface->altsetting[fp->altset_idx];
+ altsd = get_iface_desc(alts);
+ fp->protocol = altsd->bInterfaceProtocol;
+
if (fp->datainterval == 0)
fp->datainterval = snd_usb_parse_datainterval(chip, alts);
if (fp->maxpacksize == 0)
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