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-rw-r--r--sound/soc/au1x/ac97c.c6
-rw-r--r--sound/soc/bcm/bcm2835-i2s.c20
-rw-r--r--sound/soc/codecs/cs42l73.c2
-rw-r--r--sound/soc/codecs/cx20442.c26
-rw-r--r--sound/soc/codecs/sgtl5000.c5
-rw-r--r--sound/soc/codecs/tlv320dac33.c15
-rw-r--r--sound/soc/codecs/uda1380.c2
-rw-r--r--sound/soc/intel/Kconfig1
-rw-r--r--sound/soc/intel/boards/Kconfig1
-rw-r--r--sound/soc/intel/boards/bytcht_da7213.c4
-rw-r--r--sound/soc/intel/boards/bytcht_es8316.c26
-rw-r--r--sound/soc/intel/boards/bytcr_rt5640.c4
-rw-r--r--sound/soc/intel/boards/bytcr_rt5651.c4
-rw-r--r--sound/soc/intel/boards/cht_bsw_rt5645.c6
-rw-r--r--sound/soc/intel/boards/cht_bsw_rt5672.c4
-rw-r--r--sound/soc/intel/skylake/skl-topology.c1
-rw-r--r--sound/soc/mxs/mxs-sgtl5000.c25
-rw-r--r--sound/soc/soc-acpi.c33
-rw-r--r--sound/soc/soc-core.c112
-rw-r--r--sound/soc/soc-io.c6
20 files changed, 160 insertions, 143 deletions
diff --git a/sound/soc/au1x/ac97c.c b/sound/soc/au1x/ac97c.c
index 29a97d52e8ad..66d6c52e7761 100644
--- a/sound/soc/au1x/ac97c.c
+++ b/sound/soc/au1x/ac97c.c
@@ -91,8 +91,8 @@ static unsigned short au1xac97c_ac97_read(struct snd_ac97 *ac97,
do {
mutex_lock(&ctx->lock);
- tmo = 5;
- while ((RD(ctx, AC97_STATUS) & STAT_CP) && tmo--)
+ tmo = 6;
+ while ((RD(ctx, AC97_STATUS) & STAT_CP) && --tmo)
udelay(21); /* wait an ac97 frame time */
if (!tmo) {
pr_debug("ac97rd timeout #1\n");
@@ -105,7 +105,7 @@ static unsigned short au1xac97c_ac97_read(struct snd_ac97 *ac97,
* poll, Forrest, poll...
*/
tmo = 0x10000;
- while ((RD(ctx, AC97_STATUS) & STAT_CP) && tmo--)
+ while ((RD(ctx, AC97_STATUS) & STAT_CP) && --tmo)
asm volatile ("nop");
data = RD(ctx, AC97_CMDRESP);
diff --git a/sound/soc/bcm/bcm2835-i2s.c b/sound/soc/bcm/bcm2835-i2s.c
index 2e449d7173fc..d5f73a8ab893 100644
--- a/sound/soc/bcm/bcm2835-i2s.c
+++ b/sound/soc/bcm/bcm2835-i2s.c
@@ -130,6 +130,7 @@ struct bcm2835_i2s_dev {
struct regmap *i2s_regmap;
struct clk *clk;
bool clk_prepared;
+ int clk_rate;
};
static void bcm2835_i2s_start_clock(struct bcm2835_i2s_dev *dev)
@@ -419,10 +420,19 @@ static int bcm2835_i2s_hw_params(struct snd_pcm_substream *substream,
}
/* Clock should only be set up here if CPU is clock master */
- if (bit_clock_master) {
- ret = clk_set_rate(dev->clk, bclk_rate);
- if (ret)
- return ret;
+ if (bit_clock_master &&
+ (!dev->clk_prepared || dev->clk_rate != bclk_rate)) {
+ if (dev->clk_prepared)
+ bcm2835_i2s_stop_clock(dev);
+
+ if (dev->clk_rate != bclk_rate) {
+ ret = clk_set_rate(dev->clk, bclk_rate);
+ if (ret)
+ return ret;
+ dev->clk_rate = bclk_rate;
+ }
+
+ bcm2835_i2s_start_clock(dev);
}
/* Setup the frame format */
@@ -618,8 +628,6 @@ static int bcm2835_i2s_prepare(struct snd_pcm_substream *substream,
struct bcm2835_i2s_dev *dev = snd_soc_dai_get_drvdata(dai);
uint32_t cs_reg;
- bcm2835_i2s_start_clock(dev);
-
/*
* Clear both FIFOs if the one that should be started
* is not empty at the moment. This should only happen
diff --git a/sound/soc/codecs/cs42l73.c b/sound/soc/codecs/cs42l73.c
index dde37e569ade..aebaa97490b6 100644
--- a/sound/soc/codecs/cs42l73.c
+++ b/sound/soc/codecs/cs42l73.c
@@ -1355,7 +1355,7 @@ static int cs42l73_i2c_probe(struct i2c_client *i2c_client,
ret = regmap_read(cs42l73->regmap, CS42L73_REVID, &reg);
if (ret < 0) {
dev_err(&i2c_client->dev, "Get Revision ID failed\n");
- return ret;;
+ return ret;
}
dev_info(&i2c_client->dev,
diff --git a/sound/soc/codecs/cx20442.c b/sound/soc/codecs/cx20442.c
index 6b6f8e44369b..95bb10ba80dc 100644
--- a/sound/soc/codecs/cx20442.c
+++ b/sound/soc/codecs/cx20442.c
@@ -28,6 +28,7 @@
struct cx20442_priv {
struct tty_struct *tty;
struct regulator *por;
+ u8 reg_cache;
};
#define CX20442_PM 0x0
@@ -88,6 +89,17 @@ static const struct snd_soc_dapm_route cx20442_audio_map[] = {
{"ADC", NULL, "Input Mixer"},
};
+static unsigned int cx20442_read_reg_cache(struct snd_soc_codec *codec,
+ unsigned int reg)
+{
+ struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec);
+
+ if (reg >= 1)
+ return -EINVAL;
+
+ return cx20442->reg_cache;
+}
+
enum v253_vls {
V253_VLS_NONE = 0,
V253_VLS_T,
@@ -112,8 +124,6 @@ enum v253_vls {
V253_VLS_TEST,
};
-#if 0
-/* FIXME : these function will be re-used */
static int cx20442_pm_to_v253_vls(u8 value)
{
switch (value & ~(1 << CX20442_AGC)) {
@@ -147,11 +157,10 @@ static int cx20442_write(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
{
struct cx20442_priv *cx20442 = snd_soc_codec_get_drvdata(codec);
- u8 *reg_cache = codec->reg_cache;
int vls, vsp, old, len;
char buf[18];
- if (reg >= codec->driver->reg_cache_size)
+ if (reg >= 1)
return -EINVAL;
/* tty and write pointers required for talking to the modem
@@ -159,8 +168,8 @@ static int cx20442_write(struct snd_soc_codec *codec, unsigned int reg,
if (!cx20442->tty || !cx20442->tty->ops->write)
return -EIO;
- old = reg_cache[reg];
- reg_cache[reg] = value;
+ old = cx20442->reg_cache;
+ cx20442->reg_cache = value;
vls = cx20442_pm_to_v253_vls(value);
if (vls < 0)
@@ -190,7 +199,6 @@ static int cx20442_write(struct snd_soc_codec *codec, unsigned int reg,
return 0;
}
-#endif
/*
* Line discpline related code
@@ -384,12 +392,12 @@ static int cx20442_codec_remove(struct snd_soc_codec *codec)
return 0;
}
-static const u8 cx20442_reg;
-
static const struct snd_soc_codec_driver cx20442_codec_dev = {
.probe = cx20442_codec_probe,
.remove = cx20442_codec_remove,
.set_bias_level = cx20442_set_bias_level,
+ .read = cx20442_read_reg_cache,
+ .write = cx20442_write,
.component_driver = {
.dapm_widgets = cx20442_dapm_widgets,
diff --git a/sound/soc/codecs/sgtl5000.c b/sound/soc/codecs/sgtl5000.c
index f2bb4feba3b6..633cdcfc933d 100644
--- a/sound/soc/codecs/sgtl5000.c
+++ b/sound/soc/codecs/sgtl5000.c
@@ -1332,10 +1332,13 @@ static int sgtl5000_i2c_probe(struct i2c_client *client,
sgtl5000->mclk = devm_clk_get(&client->dev, NULL);
if (IS_ERR(sgtl5000->mclk)) {
ret = PTR_ERR(sgtl5000->mclk);
- dev_err(&client->dev, "Failed to get mclock: %d\n", ret);
/* Defer the probe to see if the clk will be provided later */
if (ret == -ENOENT)
ret = -EPROBE_DEFER;
+
+ if (ret != -EPROBE_DEFER)
+ dev_err(&client->dev, "Failed to get mclock: %d\n",
+ ret);
goto disable_regs;
}
diff --git a/sound/soc/codecs/tlv320dac33.c b/sound/soc/codecs/tlv320dac33.c
index 675f5b1b90a6..8c71d2f876ff 100644
--- a/sound/soc/codecs/tlv320dac33.c
+++ b/sound/soc/codecs/tlv320dac33.c
@@ -246,6 +246,19 @@ static int dac33_write(struct snd_soc_codec *codec, unsigned int reg,
return ret;
}
+static int dac33_write_locked(struct snd_soc_codec *codec, unsigned int reg,
+ unsigned int value)
+{
+ struct tlv320dac33_priv *dac33 = snd_soc_codec_get_drvdata(codec);
+ int ret;
+
+ mutex_lock(&dac33->mutex);
+ ret = dac33_write(codec, reg, value);
+ mutex_unlock(&dac33->mutex);
+
+ return ret;
+}
+
#define DAC33_I2C_ADDR_AUTOINC 0x80
static int dac33_write16(struct snd_soc_codec *codec, unsigned int reg,
unsigned int value)
@@ -1422,6 +1435,8 @@ static int dac33_soc_remove(struct snd_soc_codec *codec)
}
static const struct snd_soc_codec_driver soc_codec_dev_tlv320dac33 = {
+ .read = dac33_read_reg_cache,
+ .write = dac33_write_locked,
.set_bias_level = dac33_set_bias_level,
.idle_bias_off = true,
diff --git a/sound/soc/codecs/uda1380.c b/sound/soc/codecs/uda1380.c
index 46a495b4da8d..c73e6a192224 100644
--- a/sound/soc/codecs/uda1380.c
+++ b/sound/soc/codecs/uda1380.c
@@ -726,6 +726,8 @@ static int uda1380_probe(struct snd_soc_codec *codec)
static const struct snd_soc_codec_driver soc_codec_dev_uda1380 = {
.probe = uda1380_probe,
+ .read = uda1380_read_reg_cache,
+ .write = uda1380_write,
.set_bias_level = uda1380_set_bias_level,
.suspend_bias_off = true,
diff --git a/sound/soc/intel/Kconfig b/sound/soc/intel/Kconfig
index b0bd1938b71e..f2c9e8c5970a 100644
--- a/sound/soc/intel/Kconfig
+++ b/sound/soc/intel/Kconfig
@@ -77,7 +77,6 @@ config SND_SST_ATOM_HIFI2_PLATFORM_PCI
depends on X86 && PCI
select SND_SST_IPC_PCI
select SND_SOC_COMPRESS
- select SND_SOC_INTEL_COMMON
help
If you have a Intel Medfield or Merrifield/Edison platform, then
enable this option by saying Y or m. Distros will typically not
diff --git a/sound/soc/intel/boards/Kconfig b/sound/soc/intel/boards/Kconfig
index de598dcbef30..d4e103615f51 100644
--- a/sound/soc/intel/boards/Kconfig
+++ b/sound/soc/intel/boards/Kconfig
@@ -139,6 +139,7 @@ config SND_SOC_INTEL_BYT_CHT_DA7213_MACH
config SND_SOC_INTEL_BYT_CHT_ES8316_MACH
tristate "Baytrail & Cherrytrail with ES8316 codec"
depends on X86_INTEL_LPSS && I2C && ACPI
+ select SND_SOC_ACPI
select SND_SOC_ES8316
help
This adds support for ASoC machine driver for Intel(R) Baytrail &
diff --git a/sound/soc/intel/boards/bytcht_da7213.c b/sound/soc/intel/boards/bytcht_da7213.c
index c4d82ad41bd7..2179dedb28ad 100644
--- a/sound/soc/intel/boards/bytcht_da7213.c
+++ b/sound/soc/intel/boards/bytcht_da7213.c
@@ -219,7 +219,7 @@ static struct snd_soc_card bytcht_da7213_card = {
.num_dapm_routes = ARRAY_SIZE(audio_map),
};
-static char codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
+static char codec_name[SND_ACPI_I2C_ID_LEN];
static int bytcht_da7213_probe(struct platform_device *pdev)
{
@@ -243,7 +243,7 @@ static int bytcht_da7213_probe(struct platform_device *pdev)
}
/* fixup codec name based on HID */
- i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
+ i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (i2c_name) {
snprintf(codec_name, sizeof(codec_name),
"%s%s", "i2c-", i2c_name);
diff --git a/sound/soc/intel/boards/bytcht_es8316.c b/sound/soc/intel/boards/bytcht_es8316.c
index 8088396717e3..305e7f4fe55a 100644
--- a/sound/soc/intel/boards/bytcht_es8316.c
+++ b/sound/soc/intel/boards/bytcht_es8316.c
@@ -232,15 +232,39 @@ static struct snd_soc_card byt_cht_es8316_card = {
.fully_routed = true,
};
+static char codec_name[SND_ACPI_I2C_ID_LEN];
+
static int snd_byt_cht_es8316_mc_probe(struct platform_device *pdev)
{
- int ret = 0;
struct byt_cht_es8316_private *priv;
+ struct snd_soc_acpi_mach *mach;
+ const char *i2c_name = NULL;
+ int dai_index = 0;
+ int i;
+ int ret = 0;
priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_ATOMIC);
if (!priv)
return -ENOMEM;
+ mach = (&pdev->dev)->platform_data;
+ /* fix index of codec dai */
+ for (i = 0; i < ARRAY_SIZE(byt_cht_es8316_dais); i++) {
+ if (!strcmp(byt_cht_es8316_dais[i].codec_name,
+ "i2c-ESSX8316:00")) {
+ dai_index = i;
+ break;
+ }
+ }
+
+ /* fixup codec name based on HID */
+ i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
+ if (i2c_name) {
+ snprintf(codec_name, sizeof(codec_name),
+ "%s%s", "i2c-", i2c_name);
+ byt_cht_es8316_dais[dai_index].codec_name = codec_name;
+ }
+
/* register the soc card */
byt_cht_es8316_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&byt_cht_es8316_card, priv);
diff --git a/sound/soc/intel/boards/bytcr_rt5640.c b/sound/soc/intel/boards/bytcr_rt5640.c
index f2c0fc415e52..b6a1cfeec830 100644
--- a/sound/soc/intel/boards/bytcr_rt5640.c
+++ b/sound/soc/intel/boards/bytcr_rt5640.c
@@ -713,7 +713,7 @@ static struct snd_soc_card byt_rt5640_card = {
.fully_routed = true,
};
-static char byt_rt5640_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
+static char byt_rt5640_codec_name[SND_ACPI_I2C_ID_LEN];
static char byt_rt5640_codec_aif_name[12]; /* = "rt5640-aif[1|2]" */
static char byt_rt5640_cpu_dai_name[10]; /* = "ssp[0|2]-port" */
@@ -762,7 +762,7 @@ static int snd_byt_rt5640_mc_probe(struct platform_device *pdev)
}
/* fixup codec name based on HID */
- i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
+ i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (i2c_name) {
snprintf(byt_rt5640_codec_name, sizeof(byt_rt5640_codec_name),
"%s%s", "i2c-", i2c_name);
diff --git a/sound/soc/intel/boards/bytcr_rt5651.c b/sound/soc/intel/boards/bytcr_rt5651.c
index 22c9cc5d135e..456526a93dd5 100644
--- a/sound/soc/intel/boards/bytcr_rt5651.c
+++ b/sound/soc/intel/boards/bytcr_rt5651.c
@@ -509,7 +509,7 @@ static struct snd_soc_card byt_rt5651_card = {
.fully_routed = true,
};
-static char byt_rt5651_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
+static char byt_rt5651_codec_name[SND_ACPI_I2C_ID_LEN];
static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
{
@@ -539,7 +539,7 @@ static int snd_byt_rt5651_mc_probe(struct platform_device *pdev)
}
/* fixup codec name based on HID */
- i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
+ i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (i2c_name) {
snprintf(byt_rt5651_codec_name, sizeof(byt_rt5651_codec_name),
"%s%s", "i2c-", i2c_name);
diff --git a/sound/soc/intel/boards/cht_bsw_rt5645.c b/sound/soc/intel/boards/cht_bsw_rt5645.c
index f898ee140cdc..31641aab62cd 100644
--- a/sound/soc/intel/boards/cht_bsw_rt5645.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5645.c
@@ -49,7 +49,7 @@ struct cht_acpi_card {
struct cht_mc_private {
struct snd_soc_jack jack;
struct cht_acpi_card *acpi_card;
- char codec_name[16];
+ char codec_name[SND_ACPI_I2C_ID_LEN];
struct clk *mclk;
};
@@ -506,7 +506,7 @@ static struct cht_acpi_card snd_soc_cards[] = {
{"10EC5650", CODEC_TYPE_RT5650, &snd_soc_card_chtrt5650},
};
-static char cht_rt5645_codec_name[16]; /* i2c-<HID>:00 with HID being 8 chars */
+static char cht_rt5645_codec_name[SND_ACPI_I2C_ID_LEN];
static char cht_rt5645_codec_aif_name[12]; /* = "rt5645-aif[1|2]" */
static char cht_rt5645_cpu_dai_name[10]; /* = "ssp[0|2]-port" */
@@ -573,7 +573,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
}
/* fixup codec name based on HID */
- i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
+ i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (i2c_name) {
snprintf(cht_rt5645_codec_name, sizeof(cht_rt5645_codec_name),
"%s%s", "i2c-", i2c_name);
diff --git a/sound/soc/intel/boards/cht_bsw_rt5672.c b/sound/soc/intel/boards/cht_bsw_rt5672.c
index f8f21eee9b2d..c14a52d2f714 100644
--- a/sound/soc/intel/boards/cht_bsw_rt5672.c
+++ b/sound/soc/intel/boards/cht_bsw_rt5672.c
@@ -35,7 +35,7 @@
struct cht_mc_private {
struct snd_soc_jack headset;
- char codec_name[16];
+ char codec_name[SND_ACPI_I2C_ID_LEN];
struct clk *mclk;
};
@@ -396,7 +396,7 @@ static int snd_cht_mc_probe(struct platform_device *pdev)
/* fixup codec name based on HID */
if (mach) {
- i2c_name = snd_soc_acpi_find_name_from_hid(mach->id);
+ i2c_name = acpi_dev_get_first_match_name(mach->id, NULL, -1);
if (i2c_name) {
snprintf(drv->codec_name, sizeof(drv->codec_name),
"i2c-%s", i2c_name);
diff --git a/sound/soc/intel/skylake/skl-topology.c b/sound/soc/intel/skylake/skl-topology.c
index 28bc16a8e09a..73af6e19ebbd 100644
--- a/sound/soc/intel/skylake/skl-topology.c
+++ b/sound/soc/intel/skylake/skl-topology.c
@@ -190,7 +190,6 @@ skl_tplg_free_pipe_mcps(struct skl *skl, struct skl_module_cfg *mconfig)
u8 res_idx = mconfig->res_idx;
struct skl_module_res *res = &mconfig->module->resources[res_idx];
- res = &mconfig->module->resources[res_idx];
skl->resource.mcps -= res->cps;
}
diff --git a/sound/soc/mxs/mxs-sgtl5000.c b/sound/soc/mxs/mxs-sgtl5000.c
index 2ed3240cc682..2b3f2408301a 100644
--- a/sound/soc/mxs/mxs-sgtl5000.c
+++ b/sound/soc/mxs/mxs-sgtl5000.c
@@ -93,6 +93,14 @@ static struct snd_soc_dai_link mxs_sgtl5000_dai[] = {
},
};
+static const struct snd_soc_dapm_widget mxs_sgtl5000_dapm_widgets[] = {
+ SND_SOC_DAPM_MIC("Mic Jack", NULL),
+ SND_SOC_DAPM_LINE("Line In Jack", NULL),
+ SND_SOC_DAPM_HP("Headphone Jack", NULL),
+ SND_SOC_DAPM_SPK("Line Out Jack", NULL),
+ SND_SOC_DAPM_SPK("Ext Spk", NULL),
+};
+
static struct snd_soc_card mxs_sgtl5000 = {
.name = "mxs_sgtl5000",
.owner = THIS_MODULE,
@@ -141,10 +149,23 @@ static int mxs_sgtl5000_probe(struct platform_device *pdev)
card->dev = &pdev->dev;
+ if (of_find_property(np, "audio-routing", NULL)) {
+ card->dapm_widgets = mxs_sgtl5000_dapm_widgets;
+ card->num_dapm_widgets = ARRAY_SIZE(mxs_sgtl5000_dapm_widgets);
+
+ ret = snd_soc_of_parse_audio_routing(card, "audio-routing");
+ if (ret) {
+ dev_err(&pdev->dev, "failed to parse audio-routing (%d)\n",
+ ret);
+ return ret;
+ }
+ }
+
ret = devm_snd_soc_register_card(&pdev->dev, card);
if (ret) {
- dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
- ret);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&pdev->dev, "snd_soc_register_card failed (%d)\n",
+ ret);
return ret;
}
diff --git a/sound/soc/soc-acpi.c b/sound/soc/soc-acpi.c
index 7f43c9bf3d09..3d7e1ff79139 100644
--- a/sound/soc/soc-acpi.c
+++ b/sound/soc/soc-acpi.c
@@ -16,39 +16,6 @@
#include <sound/soc-acpi.h>
-static acpi_status snd_soc_acpi_find_name(acpi_handle handle, u32 level,
- void *context, void **ret)
-{
- struct acpi_device *adev;
- const char *name = NULL;
-
- if (acpi_bus_get_device(handle, &adev))
- return AE_OK;
-
- if (adev->status.present && adev->status.functional) {
- name = acpi_dev_name(adev);
- *(const char **)ret = name;
- return AE_CTRL_TERMINATE;
- }
-
- return AE_OK;
-}
-
-const char *snd_soc_acpi_find_name_from_hid(const u8 hid[ACPI_ID_LEN])
-{
- const char *name = NULL;
- acpi_status status;
-
- status = acpi_get_devices(hid, snd_soc_acpi_find_name, NULL,
- (void **)&name);
-
- if (ACPI_FAILURE(status) || name[0] == '\0')
- return NULL;
-
- return name;
-}
-EXPORT_SYMBOL_GPL(snd_soc_acpi_find_name_from_hid);
-
struct snd_soc_acpi_mach *
snd_soc_acpi_find_machine(struct snd_soc_acpi_mach *machines)
{
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index d1f7e639d5b1..e91879569a0f 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -349,120 +349,84 @@ static void soc_init_codec_debugfs(struct snd_soc_component *component)
"ASoC: Failed to create codec register debugfs file\n");
}
-static ssize_t codec_list_read_file(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
+static int codec_list_seq_show(struct seq_file *m, void *v)
{
- char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t len, ret = 0;
struct snd_soc_codec *codec;
- if (!buf)
- return -ENOMEM;
-
mutex_lock(&client_mutex);
- list_for_each_entry(codec, &codec_list, list) {
- len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- codec->component.name);
- if (len >= 0)
- ret += len;
- if (ret > PAGE_SIZE) {
- ret = PAGE_SIZE;
- break;
- }
- }
+ list_for_each_entry(codec, &codec_list, list)
+ seq_printf(m, "%s\n", codec->component.name);
mutex_unlock(&client_mutex);
- if (ret >= 0)
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
-
- kfree(buf);
+ return 0;
+}
- return ret;
+static int codec_list_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, codec_list_seq_show, NULL);
}
static const struct file_operations codec_list_fops = {
- .read = codec_list_read_file,
- .llseek = default_llseek,/* read accesses f_pos */
+ .open = codec_list_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static ssize_t dai_list_read_file(struct file *file, char __user *user_buf,
- size_t count, loff_t *ppos)
+static int dai_list_seq_show(struct seq_file *m, void *v)
{
- char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t len, ret = 0;
struct snd_soc_component *component;
struct snd_soc_dai *dai;
- if (!buf)
- return -ENOMEM;
-
mutex_lock(&client_mutex);
- list_for_each_entry(component, &component_list, list) {
- list_for_each_entry(dai, &component->dai_list, list) {
- len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- dai->name);
- if (len >= 0)
- ret += len;
- if (ret > PAGE_SIZE) {
- ret = PAGE_SIZE;
- break;
- }
- }
- }
+ list_for_each_entry(component, &component_list, list)
+ list_for_each_entry(dai, &component->dai_list, list)
+ seq_printf(m, "%s\n", dai->name);
mutex_unlock(&client_mutex);
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
-
- kfree(buf);
+ return 0;
+}
- return ret;
+static int dai_list_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, dai_list_seq_show, NULL);
}
static const struct file_operations dai_list_fops = {
- .read = dai_list_read_file,
- .llseek = default_llseek,/* read accesses f_pos */
+ .open = dai_list_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
-static ssize_t platform_list_read_file(struct file *file,
- char __user *user_buf,
- size_t count, loff_t *ppos)
+static int platform_list_seq_show(struct seq_file *m, void *v)
{
- char *buf = kmalloc(PAGE_SIZE, GFP_KERNEL);
- ssize_t len, ret = 0;
struct snd_soc_platform *platform;
- if (!buf)
- return -ENOMEM;
-
mutex_lock(&client_mutex);
- list_for_each_entry(platform, &platform_list, list) {
- len = snprintf(buf + ret, PAGE_SIZE - ret, "%s\n",
- platform->component.name);
- if (len >= 0)
- ret += len;
- if (ret > PAGE_SIZE) {
- ret = PAGE_SIZE;
- break;
- }
- }
+ list_for_each_entry(platform, &platform_list, list)
+ seq_printf(m, "%s\n", platform->component.name);
mutex_unlock(&client_mutex);
- ret = simple_read_from_buffer(user_buf, count, ppos, buf, ret);
-
- kfree(buf);
+ return 0;
+}
- return ret;
+static int platform_list_seq_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, platform_list_seq_show, NULL);
}
static const struct file_operations platform_list_fops = {
- .read = platform_list_read_file,
- .llseek = default_llseek,/* read accesses f_pos */
+ .open = platform_list_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
};
static void soc_init_card_debugfs(struct snd_soc_card *card)
@@ -491,7 +455,6 @@ static void soc_cleanup_card_debugfs(struct snd_soc_card *card)
debugfs_remove_recursive(card->debugfs_card_root);
}
-
static void snd_soc_debugfs_init(void)
{
snd_soc_debugfs_root = debugfs_create_dir("asoc", NULL);
@@ -598,6 +561,7 @@ struct snd_soc_component *snd_soc_rtdcom_lookup(struct snd_soc_pcm_runtime *rtd,
return NULL;
}
+EXPORT_SYMBOL_GPL(snd_soc_rtdcom_lookup);
struct snd_pcm_substream *snd_soc_get_dai_substream(struct snd_soc_card *card,
const char *dai_link, int stream)
diff --git a/sound/soc/soc-io.c b/sound/soc/soc-io.c
index 20340ade20a7..2bc1c4c17896 100644
--- a/sound/soc/soc-io.c
+++ b/sound/soc/soc-io.c
@@ -34,6 +34,10 @@ int snd_soc_component_read(struct snd_soc_component *component,
ret = regmap_read(component->regmap, reg, val);
else if (component->read)
ret = component->read(component, reg, val);
+ else if (component->driver->read) {
+ *val = component->driver->read(component, reg);
+ ret = 0;
+ }
else
ret = -EIO;
@@ -70,6 +74,8 @@ int snd_soc_component_write(struct snd_soc_component *component,
return regmap_write(component->regmap, reg, val);
else if (component->write)
return component->write(component, reg, val);
+ else if (component->driver->write)
+ return component->driver->write(component, reg, val);
else
return -EIO;
}