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-rw-r--r--include/sound/hdaudio.h2
-rw-r--r--sound/aoa/codecs/onyx.c2
-rw-r--r--sound/aoa/codecs/tas.c2
-rw-r--r--sound/core/compress_offload.c2
-rw-r--r--sound/core/control.c2
-rw-r--r--sound/core/oss/mixer_oss.c4
-rw-r--r--sound/core/oss/rate.c2
-rw-r--r--sound/core/pcm_native.c2
-rw-r--r--sound/core/sound.c2
-rw-r--r--sound/hda/hdac_stream.c6
-rw-r--r--sound/pci/hda/cs35l41_hda_i2c.c2
-rw-r--r--sound/pci/hda/hda_codec.c2
-rw-r--r--sound/pci/hda/hda_controller.c3
-rw-r--r--sound/pci/hda/hda_controller.h2
-rw-r--r--sound/pci/hda/hda_generic.c4
-rw-r--r--sound/pci/hda/hda_generic.h1
-rw-r--r--sound/pci/hda/hda_intel.c10
-rw-r--r--sound/pci/hda/patch_conexant.c16
-rw-r--r--sound/pci/hda/patch_realtek.c9
-rw-r--r--sound/pci/hda/tas2781_hda_i2c.c2
-rw-r--r--sound/usb/quirks.c2
-rw-r--r--tools/testing/selftests/alsa/Makefile4
22 files changed, 44 insertions, 39 deletions
diff --git a/include/sound/hdaudio.h b/include/sound/hdaudio.h
index 7e39d486374a..b098ceadbe74 100644
--- a/include/sound/hdaudio.h
+++ b/include/sound/hdaudio.h
@@ -590,7 +590,7 @@ void snd_hdac_stream_sync_trigger(struct hdac_stream *azx_dev, bool set,
void snd_hdac_stream_sync(struct hdac_stream *azx_dev, bool start,
unsigned int streams);
void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
- unsigned int streams);
+ unsigned int streams, bool start);
int snd_hdac_get_stream_stripe_ctl(struct hdac_bus *bus,
struct snd_pcm_substream *substream);
diff --git a/sound/aoa/codecs/onyx.c b/sound/aoa/codecs/onyx.c
index e90e03bb0dc0..ac347a14f282 100644
--- a/sound/aoa/codecs/onyx.c
+++ b/sound/aoa/codecs/onyx.c
@@ -1040,7 +1040,7 @@ static void onyx_i2c_remove(struct i2c_client *client)
}
static const struct i2c_device_id onyx_i2c_id[] = {
- { "MAC,pcm3052", 0 },
+ { "MAC,pcm3052" },
{ }
};
MODULE_DEVICE_TABLE(i2c,onyx_i2c_id);
diff --git a/sound/aoa/codecs/tas.c b/sound/aoa/codecs/tas.c
index be9822ebf9f8..804b2ebbe28f 100644
--- a/sound/aoa/codecs/tas.c
+++ b/sound/aoa/codecs/tas.c
@@ -927,7 +927,7 @@ static void tas_i2c_remove(struct i2c_client *client)
}
static const struct i2c_device_id tas_i2c_id[] = {
- { "MAC,tas3004", 0 },
+ { "MAC,tas3004" },
{ }
};
MODULE_DEVICE_TABLE(i2c,tas_i2c_id);
diff --git a/sound/core/compress_offload.c b/sound/core/compress_offload.c
index b8c0d6edbdd1..bdf1d78de833 100644
--- a/sound/core/compress_offload.c
+++ b/sound/core/compress_offload.c
@@ -288,7 +288,7 @@ static ssize_t snd_compr_write(struct file *f, const char __user *buf,
stream = &data->stream;
guard(mutex)(&stream->device->lock);
- /* write is allowed when stream is running or has been steup */
+ /* write is allowed when stream is running or has been setup */
switch (stream->runtime->state) {
case SNDRV_PCM_STATE_SETUP:
case SNDRV_PCM_STATE_PREPARED:
diff --git a/sound/core/control.c b/sound/core/control.c
index 2f790a7b1e90..0ddade871b52 100644
--- a/sound/core/control.c
+++ b/sound/core/control.c
@@ -1641,6 +1641,8 @@ static int snd_ctl_elem_add(struct snd_ctl_file *file,
count = info->owner;
if (count == 0)
count = 1;
+ if (count > MAX_CONTROL_COUNT)
+ return -EINVAL;
/* Arrange access permissions if needed. */
access = info->access;
diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c
index 668604d0ec9d..05fc8911479c 100644
--- a/sound/core/oss/mixer_oss.c
+++ b/sound/core/oss/mixer_oss.c
@@ -900,8 +900,8 @@ static void snd_mixer_oss_slot_free(struct snd_mixer_oss_slot *chn)
struct slot *p = chn->private_data;
if (p) {
if (p->allocated && p->assigned) {
- kfree_const(p->assigned->name);
- kfree_const(p->assigned);
+ kfree(p->assigned->name);
+ kfree(p->assigned);
}
kfree(p);
}
diff --git a/sound/core/oss/rate.c b/sound/core/oss/rate.c
index 98269119347f..b56eeda5e30e 100644
--- a/sound/core/oss/rate.c
+++ b/sound/core/oss/rate.c
@@ -294,7 +294,7 @@ static int rate_action(struct snd_pcm_plugin *plugin,
default:
break;
}
- return 0; /* silenty ignore other actions */
+ return 0; /* silently ignore other actions */
}
int snd_pcm_plugin_build_rate(struct snd_pcm_substream *plug,
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 5b9076829ade..b465fb6e1f5f 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -3115,7 +3115,7 @@ struct snd_pcm_sync_ptr32 {
} c;
} __packed;
-/* recalcuate the boundary within 32bit */
+/* recalculate the boundary within 32bit */
static snd_pcm_uframes_t recalculate_boundary(struct snd_pcm_runtime *runtime)
{
snd_pcm_uframes_t boundary;
diff --git a/sound/core/sound.c b/sound/core/sound.c
index b9db9aa0bfcb..6531a67f13b3 100644
--- a/sound/core/sound.c
+++ b/sound/core/sound.c
@@ -133,7 +133,7 @@ static struct snd_minor *autoload_device(unsigned int minor)
/* /dev/aloadSEQ */
snd_request_other(minor);
}
- mutex_lock(&sound_mutex); /* reacuire lock */
+ mutex_lock(&sound_mutex); /* reacquire lock */
return snd_minors[minor];
}
#else /* !CONFIG_MODULES */
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c
index b53de020309f..0411a8fe9d6f 100644
--- a/sound/hda/hdac_stream.c
+++ b/sound/hda/hdac_stream.c
@@ -664,7 +664,7 @@ static void azx_timecounter_init(struct hdac_stream *azx_dev,
* updated accordingly, too.
*/
void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
- unsigned int streams)
+ unsigned int streams, bool start)
{
struct hdac_bus *bus = azx_dev->bus;
struct snd_pcm_runtime *runtime = azx_dev->substream->runtime;
@@ -672,6 +672,9 @@ void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
bool inited = false;
u64 cycle_last = 0;
+ if (!start)
+ goto skip;
+
list_for_each_entry(s, &bus->stream_list, list) {
if ((streams & (1 << s->index))) {
azx_timecounter_init(s, inited, cycle_last);
@@ -682,6 +685,7 @@ void snd_hdac_stream_timecounter_init(struct hdac_stream *azx_dev,
}
}
+skip:
snd_pcm_gettime(runtime, &runtime->trigger_tstamp);
runtime->trigger_tstamp_latched = true;
}
diff --git a/sound/pci/hda/cs35l41_hda_i2c.c b/sound/pci/hda/cs35l41_hda_i2c.c
index 603e9bff3a71..bb84740c8520 100644
--- a/sound/pci/hda/cs35l41_hda_i2c.c
+++ b/sound/pci/hda/cs35l41_hda_i2c.c
@@ -39,7 +39,7 @@ static void cs35l41_hda_i2c_remove(struct i2c_client *clt)
}
static const struct i2c_device_id cs35l41_hda_i2c_id[] = {
- { "cs35l41-hda", 0 },
+ { "cs35l41-hda" },
{}
};
diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 3dd1bda0c5c6..14763c0f31ad 100644
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -1734,9 +1734,9 @@ EXPORT_SYMBOL_GPL(snd_hda_ctl_add);
/**
* snd_hda_add_nid - Assign a NID to a control element
* @codec: HD-audio codec
- * @nid: corresponding NID (optional)
* @kctl: the control element to assign
* @index: index to kctl
+ * @nid: corresponding NID (optional)
*
* Add the given control element to an array inside the codec instance.
* This function is used when #snd_hda_ctl_add cannot be used for 1:1
diff --git a/sound/pci/hda/hda_controller.c b/sound/pci/hda/hda_controller.c
index 5d86e5a9c814..f3330b7e0fcf 100644
--- a/sound/pci/hda/hda_controller.c
+++ b/sound/pci/hda/hda_controller.c
@@ -275,8 +275,7 @@ static int azx_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
spin_lock(&bus->reg_lock);
/* reset SYNC bits */
snd_hdac_stream_sync_trigger(hstr, false, sbits, sync_reg);
- if (start)
- snd_hdac_stream_timecounter_init(hstr, sbits);
+ snd_hdac_stream_timecounter_init(hstr, sbits, start);
spin_unlock(&bus->reg_lock);
return 0;
}
diff --git a/sound/pci/hda/hda_controller.h b/sound/pci/hda/hda_controller.h
index 68c883f202ca..c2d0109866e6 100644
--- a/sound/pci/hda/hda_controller.h
+++ b/sound/pci/hda/hda_controller.h
@@ -28,7 +28,7 @@
#else
#define AZX_DCAPS_I915_COMPONENT 0 /* NOP */
#endif
-#define AZX_DCAPS_AMD_ALLOC_FIX (1 << 14) /* AMD allocation workaround */
+/* 14 unused */
#define AZX_DCAPS_CTX_WORKAROUND (1 << 15) /* X-Fi workaround */
#define AZX_DCAPS_POSFIX_LPIB (1 << 16) /* Use LPIB as default */
#define AZX_DCAPS_AMD_WORKAROUND (1 << 17) /* AMD-specific workaround */
diff --git a/sound/pci/hda/hda_generic.c b/sound/pci/hda/hda_generic.c
index 9cff87dfbecb..b34d84fedcc8 100644
--- a/sound/pci/hda/hda_generic.c
+++ b/sound/pci/hda/hda_generic.c
@@ -1383,7 +1383,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs,
struct nid_path *path;
hda_nid_t pin = pins[i];
- if (!spec->obey_preferred_dacs) {
+ if (!spec->preferred_dacs) {
path = snd_hda_get_path_from_idx(codec, path_idx[i]);
if (path) {
badness += assign_out_path_ctls(codec, path);
@@ -1395,7 +1395,7 @@ static int try_assign_dacs(struct hda_codec *codec, int num_outs,
if (dacs[i]) {
if (is_dac_already_used(codec, dacs[i]))
badness += bad->shared_primary;
- } else if (spec->obey_preferred_dacs) {
+ } else if (spec->preferred_dacs) {
badness += BAD_NO_PRIMARY_DAC;
}
diff --git a/sound/pci/hda/hda_generic.h b/sound/pci/hda/hda_generic.h
index 08544601b4ce..9612afaa61c2 100644
--- a/sound/pci/hda/hda_generic.h
+++ b/sound/pci/hda/hda_generic.h
@@ -232,7 +232,6 @@ struct hda_gen_spec {
unsigned int power_down_unused:1; /* power down unused widgets */
unsigned int dac_min_mute:1; /* minimal = mute for DACs */
unsigned int suppress_vmaster:1; /* don't create vmaster kctls */
- unsigned int obey_preferred_dacs:1; /* obey preferred_dacs assignment */
/* other internal flags */
unsigned int no_analog:1; /* digital I/O only */
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 045cd555c291..b4540c5cd2a6 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -40,7 +40,6 @@
#ifdef CONFIG_X86
/* for snoop control */
-#include <linux/dma-map-ops.h>
#include <asm/set_memory.h>
#include <asm/cpufeature.h>
#endif
@@ -307,7 +306,7 @@ enum {
/* quirks for ATI HDMI with snoop off */
#define AZX_DCAPS_PRESET_ATI_HDMI_NS \
- (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_AMD_ALLOC_FIX)
+ (AZX_DCAPS_PRESET_ATI_HDMI | AZX_DCAPS_SNOOP_OFF)
/* quirks for AMD SB */
#define AZX_DCAPS_PRESET_AMD_SB \
@@ -1707,13 +1706,6 @@ static void azx_check_snoop_available(struct azx *chip)
if (chip->driver_caps & AZX_DCAPS_SNOOP_OFF)
snoop = false;
-#ifdef CONFIG_X86
- /* check the presence of DMA ops (i.e. IOMMU), disable snoop conditionally */
- if ((chip->driver_caps & AZX_DCAPS_AMD_ALLOC_FIX) &&
- !get_dma_ops(chip->card->dev))
- snoop = false;
-#endif
-
chip->snoop = snoop;
if (!snoop) {
dev_info(chip->card->dev, "Force to non-snoop mode\n");
diff --git a/sound/pci/hda/patch_conexant.c b/sound/pci/hda/patch_conexant.c
index e851785ff058..ade42a8209c2 100644
--- a/sound/pci/hda/patch_conexant.c
+++ b/sound/pci/hda/patch_conexant.c
@@ -166,18 +166,18 @@ static void cxt_init_gpio_led(struct hda_codec *codec)
static void cx_fixup_headset_recog(struct hda_codec *codec)
{
- unsigned int mic_persent;
+ unsigned int mic_present;
/* fix some headset type recognize fail issue, such as EDIFIER headset */
- /* set micbiasd output current comparator threshold from 66% to 55%. */
+ /* set micbias output current comparator threshold from 66% to 55%. */
snd_hda_codec_write(codec, 0x1c, 0, 0x320, 0x010);
- /* set OFF voltage for DFET from -1.2V to -0.8V, set headset micbias registor
+ /* set OFF voltage for DFET from -1.2V to -0.8V, set headset micbias register
* value adjustment trim from 2.2K ohms to 2.0K ohms.
*/
snd_hda_codec_write(codec, 0x1c, 0, 0x3b0, 0xe10);
/* fix reboot headset type recognize fail issue */
- mic_persent = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0);
- if (mic_persent & AC_PINSENSE_PRESENCE)
+ mic_present = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0);
+ if (mic_present & AC_PINSENSE_PRESENCE)
/* enable headset mic VREF */
snd_hda_codec_write(codec, 0x19, 0, AC_VERB_SET_PIN_WIDGET_CONTROL, 0x24);
else
@@ -249,9 +249,9 @@ static void cx_update_headset_mic_vref(struct hda_codec *codec, struct hda_jack_
{
unsigned int mic_present;
- /* In cx8070 and sn6140, the node 16 can only be config to headphone or disabled,
- * the node 19 can only be config to microphone or disabled.
- * Check hp&mic tag to process headset pulgin&plugout.
+ /* In cx8070 and sn6140, the node 16 can only be configured to headphone or disabled,
+ * the node 19 can only be configured to microphone or disabled.
+ * Check hp&mic tag to process headset plugin & plugout.
*/
mic_present = snd_hda_codec_read(codec, 0x19, 0, AC_VERB_GET_PIN_SENSE, 0x0);
if (!(mic_present & AC_PINSENSE_PRESENCE)) /* mic plugout */
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 4ca66234e561..5e2e927656cd 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -587,6 +587,7 @@ static void alc_shutup_pins(struct hda_codec *codec)
switch (codec->core.vendor_id) {
case 0x10ec0236:
case 0x10ec0256:
+ case 0x10ec0257:
case 0x19e58326:
case 0x10ec0283:
case 0x10ec0285:
@@ -6644,10 +6645,8 @@ static void alc289_fixup_asus_ga401(struct hda_codec *codec,
};
struct alc_spec *spec = codec->spec;
- if (action == HDA_FIXUP_ACT_PRE_PROBE) {
+ if (action == HDA_FIXUP_ACT_PRE_PROBE)
spec->gen.preferred_dacs = preferred_pairs;
- spec->gen.obey_preferred_dacs = 1;
- }
}
/* The DAC of NID 0x3 will introduce click/pop noise on headphones, so invalidate it */
@@ -10349,6 +10348,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8896, "HP EliteBook 855 G8 Notebook PC", ALC285_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x8898, "HP EliteBook 845 G8 Notebook PC", ALC285_FIXUP_HP_LIMIT_INT_MIC_BOOST),
SND_PCI_QUIRK(0x103c, 0x88d0, "HP Pavilion 15-eh1xxx (mainboard 88D0)", ALC287_FIXUP_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x88dd, "HP Pavilion 15z-ec200", ALC285_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x8902, "HP OMEN 16", ALC285_FIXUP_HP_MUTE_LED),
SND_PCI_QUIRK(0x103c, 0x890e, "HP 255 G8 Notebook PC", ALC236_FIXUP_HP_MUTE_LED_COEFBIT2),
SND_PCI_QUIRK(0x103c, 0x8919, "HP Pavilion Aero Laptop 13-be0xxx", ALC287_FIXUP_HP_GPIO_LED),
@@ -10490,6 +10490,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x103c, 0x8ca2, "HP ZBook Power", ALC236_FIXUP_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8ca4, "HP ZBook Fury", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
SND_PCI_QUIRK(0x103c, 0x8ca7, "HP ZBook Fury", ALC245_FIXUP_CS35L41_SPI_2_HP_GPIO_LED),
+ SND_PCI_QUIRK(0x103c, 0x8caf, "HP Elite mt645 G8 Mobile Thin Client", ALC236_FIXUP_HP_MUTE_LED_MICMUTE_VREF),
SND_PCI_QUIRK(0x103c, 0x8cbd, "HP Pavilion Aero Laptop 13-bg0xxx", ALC245_FIXUP_HP_X360_MUTE_LEDS),
SND_PCI_QUIRK(0x103c, 0x8cdd, "HP Spectre", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x103c, 0x8cde, "HP Spectre", ALC287_FIXUP_CS35L41_I2C_2),
@@ -10842,6 +10843,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x17aa, 0x38cd, "Y790 VECO DUAL", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x38d2, "Lenovo Yoga 9 14IMH9", ALC287_FIXUP_YOGA9_14IMH9_BASS_SPK_PIN),
SND_PCI_QUIRK(0x17aa, 0x38d7, "Lenovo Yoga 9 14IMH9", ALC287_FIXUP_YOGA9_14IMH9_BASS_SPK_PIN),
+ SND_PCI_QUIRK(0x17aa, 0x38df, "Y990 YG DUAL", ALC287_FIXUP_TAS2781_I2C),
SND_PCI_QUIRK(0x17aa, 0x38f9, "Thinkbook 16P Gen5", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x17aa, 0x38fa, "Thinkbook 16P Gen5", ALC287_FIXUP_CS35L41_I2C_2),
SND_PCI_QUIRK(0x17aa, 0x3902, "Lenovo E50-80", ALC269_FIXUP_DMIC_THINKPAD_ACPI),
@@ -10878,6 +10880,7 @@ static const struct snd_pci_quirk alc269_fixup_tbl[] = {
SND_PCI_QUIRK(0x1854, 0x048a, "LG gram 17 (17ZD90R)", ALC298_FIXUP_SAMSUNG_AMP_V2_4_AMPS),
SND_PCI_QUIRK(0x19e5, 0x3204, "Huawei MACH-WX9", ALC256_FIXUP_HUAWEI_MACH_WX9_PINS),
SND_PCI_QUIRK(0x19e5, 0x320f, "Huawei WRT-WX9 ", ALC256_FIXUP_ASUS_MIC_NO_PRESENCE),
+ SND_PCI_QUIRK(0x19e5, 0x3212, "Huawei KLV-WX9 ", ALC256_FIXUP_ACER_HEADSET_MIC),
SND_PCI_QUIRK(0x1b35, 0x1235, "CZC B20", ALC269_FIXUP_CZC_B20),
SND_PCI_QUIRK(0x1b35, 0x1236, "CZC TMI", ALC269_FIXUP_CZC_TMI),
SND_PCI_QUIRK(0x1b35, 0x1237, "CZC L101", ALC269_FIXUP_CZC_L101),
diff --git a/sound/pci/hda/tas2781_hda_i2c.c b/sound/pci/hda/tas2781_hda_i2c.c
index f58f434e7110..4b9dc84ce6bb 100644
--- a/sound/pci/hda/tas2781_hda_i2c.c
+++ b/sound/pci/hda/tas2781_hda_i2c.c
@@ -951,7 +951,7 @@ static const struct dev_pm_ops tas2781_hda_pm_ops = {
};
static const struct i2c_device_id tas2781_hda_i2c_id[] = {
- { "tas2781-hda", 0 },
+ { "tas2781-hda" },
{}
};
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index f62631b54e10..c7a9c50a65bb 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -2279,6 +2279,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
QUIRK_FLAG_GENERIC_IMPLICIT_FB),
DEVICE_FLG(0x2b53, 0x0031, /* Fiero SC-01 (firmware v1.1.0) */
QUIRK_FLAG_GENERIC_IMPLICIT_FB),
+ DEVICE_FLG(0x2d95, 0x8011, /* VIVO USB-C HEADSET */
+ QUIRK_FLAG_CTL_MSG_DELAY_1M),
DEVICE_FLG(0x2d95, 0x8021, /* VIVO USB-C-XE710 HEADSET */
QUIRK_FLAG_CTL_MSG_DELAY_1M),
DEVICE_FLG(0x30be, 0x0101, /* Schiit Hel */
diff --git a/tools/testing/selftests/alsa/Makefile b/tools/testing/selftests/alsa/Makefile
index 25be68025290..944279160fed 100644
--- a/tools/testing/selftests/alsa/Makefile
+++ b/tools/testing/selftests/alsa/Makefile
@@ -1,5 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
#
+ifneq ($(shell pkg-config --exists alsa && echo 0 || echo 1),0)
+$(error Package alsa not found, please install alsa development package or \
+ add directory containing `alsa.pc` in PKG_CONFIG_PATH)
+endif
CFLAGS += $(shell pkg-config --cflags alsa) $(KHDR_INCLUDES)
LDLIBS += $(shell pkg-config --libs alsa)
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