- clock-names: Should be "mclk"
+- maxim,dmic-freq: Frequency at which to clock DMIC
+
Pins on the device (for linking into audio routes):
* MIC1
static int max98088_mic_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
switch (event) {
static int max98088_line_pga(struct snd_soc_dapm_widget *w,
int event, int line, u8 channel)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
u8 *state;
max98088_handle_eq_pdata(codec);
}
-#ifdef CONFIG_PM
-static int max98088_suspend(struct snd_soc_codec *codec)
-{
- max98088_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
-static int max98088_resume(struct snd_soc_codec *codec)
-{
- max98088_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- return 0;
-}
-#else
-#define max98088_suspend NULL
-#define max98088_resume NULL
-#endif
-
static int max98088_probe(struct snd_soc_codec *codec)
{
struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
snd_soc_write(codec, M98088_REG_51_PWR_SYS, M98088_PWRSV);
- /* initialize registers cache to hardware default */
- max98088_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
snd_soc_write(codec, M98088_REG_0F_IRQ_ENABLE, 0x00);
snd_soc_write(codec, M98088_REG_22_MIX_DAC,
{
struct max98088_priv *max98088 = snd_soc_codec_get_drvdata(codec);
- max98088_set_bias_level(codec, SND_SOC_BIAS_OFF);
kfree(max98088->eq_texts);
return 0;
static struct snd_soc_codec_driver soc_codec_dev_max98088 = {
.probe = max98088_probe,
.remove = max98088_remove,
- .suspend = max98088_suspend,
- .resume = max98088_resume,
.set_bias_level = max98088_set_bias_level,
+ .suspend_bias_off = true,
+
.controls = max98088_snd_controls,
.num_controls = ARRAY_SIZE(max98088_snd_controls),
.dapm_widgets = max98088_dapm_widgets,
static int max98090_micinput_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
unsigned int val = snd_soc_read(codec, w->reg);
return 0;
}
-static const int comp_pclk_rates[] = {
- 11289600, 12288000, 12000000, 13000000, 19200000
-};
-
-static const int dmic_micclk[] = {
- 2, 2, 2, 2, 4, 2
-};
+static const int dmic_divisors[] = { 2, 3, 4, 5, 6, 8 };
static const int comp_lrclk_rates[] = {
8000, 16000, 32000, 44100, 48000, 96000
};
-static const int dmic_comp[6][6] = {
- {7, 8, 3, 3, 3, 3},
- {7, 8, 3, 3, 3, 3},
- {7, 8, 3, 3, 3, 3},
- {7, 8, 3, 1, 1, 1},
- {7, 8, 3, 1, 2, 2},
- {7, 8, 3, 3, 3, 3}
+struct dmic_table {
+ int pclk;
+ struct {
+ int freq;
+ int comp[6]; /* One each for 8, 16, 32, 44.1, 48, and 96 kHz */
+ } settings[6]; /* One for each dmic divisor. */
};
+static const struct dmic_table dmic_table[] = { /* One for each pclk freq. */
+ {
+ .pclk = 11289600,
+ .settings = {
+ { .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ },
+ },
+ {
+ .pclk = 12000000,
+ .settings = {
+ { .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ }
+ },
+ {
+ .pclk = 12288000,
+ .settings = {
+ { .freq = 2, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 1, .comp = { 7, 8, 2, 2, 2, 2 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 0, .comp = { 7, 8, 6, 6, 6, 6 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ { .freq = 0, .comp = { 7, 8, 3, 3, 3, 3 } },
+ }
+ },
+ {
+ .pclk = 13000000,
+ .settings = {
+ { .freq = 2, .comp = { 7, 8, 1, 1, 1, 1 } },
+ { .freq = 1, .comp = { 7, 8, 0, 0, 0, 0 } },
+ { .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
+ { .freq = 0, .comp = { 7, 8, 4, 4, 5, 5 } },
+ { .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
+ { .freq = 0, .comp = { 7, 8, 1, 1, 1, 1 } },
+ }
+ },
+ {
+ .pclk = 19200000,
+ .settings = {
+ { .freq = 2, .comp = { 0, 0, 0, 0, 0, 0 } },
+ { .freq = 1, .comp = { 7, 8, 1, 1, 1, 1 } },
+ { .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
+ { .freq = 0, .comp = { 7, 8, 2, 2, 3, 3 } },
+ { .freq = 0, .comp = { 7, 8, 1, 1, 2, 2 } },
+ { .freq = 0, .comp = { 7, 8, 5, 5, 6, 6 } },
+ }
+ },
+};
+
+static int max98090_find_divisor(int target_freq, int pclk)
+{
+ int current_diff = INT_MAX;
+ int test_diff = INT_MAX;
+ int divisor_index = 0;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dmic_divisors); i++) {
+ test_diff = abs(target_freq - (pclk / dmic_divisors[i]));
+ if (test_diff < current_diff) {
+ current_diff = test_diff;
+ divisor_index = i;
+ }
+ }
+
+ return divisor_index;
+}
+
+static int max98090_find_closest_pclk(int pclk)
+{
+ int m1;
+ int m2;
+ int i;
+
+ for (i = 0; i < ARRAY_SIZE(dmic_table); i++) {
+ if (pclk == dmic_table[i].pclk)
+ return i;
+ if (pclk < dmic_table[i].pclk) {
+ if (i == 0)
+ return i;
+ m1 = pclk - dmic_table[i-1].pclk;
+ m2 = dmic_table[i].pclk - pclk;
+ if (m1 < m2)
+ return i - 1;
+ else
+ return i;
+ }
+ }
+
+ return -EINVAL;
+}
+
+static int max98090_configure_dmic(struct max98090_priv *max98090,
+ int target_dmic_clk, int pclk, int fs)
+{
+ int micclk_index;
+ int pclk_index;
+ int dmic_freq;
+ int dmic_comp;
+ int i;
+
+ pclk_index = max98090_find_closest_pclk(pclk);
+ if (pclk_index < 0)
+ return pclk_index;
+
+ micclk_index = max98090_find_divisor(target_dmic_clk, pclk);
+
+ for (i = 0; i < ARRAY_SIZE(comp_lrclk_rates) - 1; i++) {
+ if (fs <= (comp_lrclk_rates[i] + comp_lrclk_rates[i+1]) / 2)
+ break;
+ }
+
+ dmic_freq = dmic_table[pclk_index].settings[micclk_index].freq;
+ dmic_comp = dmic_table[pclk_index].settings[micclk_index].comp[i];
+
+ regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_ENABLE,
+ M98090_MICCLK_MASK,
+ micclk_index << M98090_MICCLK_SHIFT);
+
+ regmap_update_bits(max98090->regmap, M98090_REG_DIGITAL_MIC_CONFIG,
+ M98090_DMIC_COMP_MASK | M98090_DMIC_FREQ_MASK,
+ dmic_comp << M98090_DMIC_COMP_SHIFT |
+ dmic_freq << M98090_DMIC_FREQ_SHIFT);
+
+ return 0;
+}
+
static int max98090_dai_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params,
struct snd_soc_dai *dai)
struct snd_soc_codec *codec = dai->codec;
struct max98090_priv *max98090 = snd_soc_codec_get_drvdata(codec);
struct max98090_cdata *cdata;
- int i, j;
cdata = &max98090->dai[0];
max98090->bclk = snd_soc_params_to_bclk(params);
snd_soc_update_bits(codec, M98090_REG_FILTER_CONFIG,
M98090_DHF_MASK, M98090_DHF_MASK);
- /* Check for supported PCLK to LRCLK ratios */
- for (j = 0; j < ARRAY_SIZE(comp_pclk_rates); j++) {
- if (comp_pclk_rates[j] == max98090->sysclk) {
- break;
- }
- }
-
- for (i = 0; i < ARRAY_SIZE(comp_lrclk_rates) - 1; i++) {
- if (max98090->lrclk <= (comp_lrclk_rates[i] +
- comp_lrclk_rates[i + 1]) / 2) {
- break;
- }
- }
-
- snd_soc_update_bits(codec, M98090_REG_DIGITAL_MIC_ENABLE,
- M98090_MICCLK_MASK,
- dmic_micclk[j] << M98090_MICCLK_SHIFT);
-
- snd_soc_update_bits(codec, M98090_REG_DIGITAL_MIC_CONFIG,
- M98090_DMIC_COMP_MASK,
- dmic_comp[j][i] << M98090_DMIC_COMP_SHIFT);
+ max98090_configure_dmic(max98090, max98090->dmic_freq, max98090->pclk,
+ max98090->lrclk);
return 0;
}
if ((freq >= 10000000) && (freq <= 20000000)) {
snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
M98090_PSCLK_DIV1);
+ max98090->pclk = freq;
} else if ((freq > 20000000) && (freq <= 40000000)) {
snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
M98090_PSCLK_DIV2);
+ max98090->pclk = freq >> 1;
} else if ((freq > 40000000) && (freq <= 60000000)) {
snd_soc_write(codec, M98090_REG_SYSTEM_CLOCK,
M98090_PSCLK_DIV4);
+ max98090->pclk = freq >> 2;
} else {
dev_err(codec->dev, "Invalid master clock frequency\n");
return -EINVAL;
/* Initialize private data */
max98090->sysclk = (unsigned)-1;
+ max98090->pclk = (unsigned)-1;
max98090->master = false;
cdata = &max98090->dai[0];
i2c_set_clientdata(i2c, max98090);
max98090->pdata = i2c->dev.platform_data;
+ ret = of_property_read_u32(i2c->dev.of_node, "maxim,dmic-freq",
+ &max98090->dmic_freq);
+ if (ret < 0)
+ max98090->dmic_freq = MAX98090_DEFAULT_DMIC_FREQ;
+
max98090->regmap = devm_regmap_init_i2c(i2c, &max98090_regmap);
if (IS_ERR(max98090->regmap)) {
ret = PTR_ERR(max98090->regmap);
#ifndef _MAX98090_H
#define _MAX98090_H
+/*
+ * The default operating frequency for a DMIC attached to the codec.
+ * This can be overridden by a device tree property.
+ */
+#define MAX98090_DEFAULT_DMIC_FREQ 2500000
+
/*
* MAX98090 Register Definitions
*/
struct max98090_pdata *pdata;
struct clk *mclk;
unsigned int sysclk;
+ unsigned int pclk;
unsigned int bclk;
unsigned int lrclk;
+ u32 dmic_freq;
struct max98090_cdata dai[1];
int jack_state;
struct delayed_work jack_work;
static int max98095_mic_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
switch (event) {
static int max98095_line_pga(struct snd_soc_dapm_widget *w,
int event, u8 channel)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
u8 *state;
static int max98095_lineout_event(struct snd_soc_dapm_widget *w,
struct snd_kcontrol *kcontrol, int event)
{
- struct snd_soc_codec *codec = w->codec;
+ struct snd_soc_codec *codec = snd_soc_dapm_to_codec(w->dapm);
switch (event) {
case SND_SOC_DAPM_POST_PMU:
snd_soc_write(codec, M98095_097_PWR_SYS, M98095_PWRSV);
- /* initialize registers cache to hardware default */
- max98095_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
snd_soc_write(codec, M98095_048_MIX_DAC_LR,
M98095_DAI1L_TO_DACL|M98095_DAI1R_TO_DACR);
struct max98095_priv *max98095 = snd_soc_codec_get_drvdata(codec);
struct i2c_client *client = to_i2c_client(codec->dev);
- max98095_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
if (max98095->headphone_jack || max98095->mic_jack)
max98095_jack_detect_disable(codec);
.ops = &max9850_dai_ops,
};
-#ifdef CONFIG_PM
-static int max9850_suspend(struct snd_soc_codec *codec)
-{
- max9850_set_bias_level(codec, SND_SOC_BIAS_OFF);
-
- return 0;
-}
-
-static int max9850_resume(struct snd_soc_codec *codec)
-{
- max9850_set_bias_level(codec, SND_SOC_BIAS_STANDBY);
-
- return 0;
-}
-#else
-#define max9850_suspend NULL
-#define max9850_resume NULL
-#endif
-
static int max9850_probe(struct snd_soc_codec *codec)
{
/* enable zero-detect */
static struct snd_soc_codec_driver soc_codec_dev_max9850 = {
.probe = max9850_probe,
- .suspend = max9850_suspend,
- .resume = max9850_resume,
.set_bias_level = max9850_set_bias_level,
+ .suspend_bias_off = true,
.controls = max9850_controls,
.num_controls = ARRAY_SIZE(max9850_controls),
} *dai_props;
unsigned int mclk_fs;
int gpio_hp_det;
+ int gpio_hp_det_invert;
int gpio_mic_det;
+ int gpio_mic_det_invert;
struct snd_soc_dai_link dai_link[]; /* dynamically allocated */
};
simple_card_hp_jack_pins);
simple_card_hp_jack_gpio.gpio = priv->gpio_hp_det;
+ simple_card_hp_jack_gpio.invert = priv->gpio_hp_det_invert;
snd_soc_jack_add_gpios(&simple_card_hp_jack, 1,
&simple_card_hp_jack_gpio);
}
ARRAY_SIZE(simple_card_mic_jack_pins),
simple_card_mic_jack_pins);
simple_card_mic_jack_gpio.gpio = priv->gpio_mic_det;
+ simple_card_mic_jack_gpio.invert = priv->gpio_mic_det_invert;
snd_soc_jack_add_gpios(&simple_card_mic_jack, 1,
&simple_card_mic_jack_gpio);
}
return 0;
}
+static int asoc_simple_card_parse_daifmt(struct device_node *node,
+ struct simple_card_data *priv,
+ struct device_node *cpu,
+ struct device_node *codec,
+ char *prefix, int idx)
+{
+ struct device *dev = simple_priv_to_dev(priv);
+ struct device_node *bitclkmaster = NULL;
+ struct device_node *framemaster = NULL;
+ struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx);
+ struct asoc_simple_dai *cpu_dai = &dai_props->cpu_dai;
+ struct asoc_simple_dai *codec_dai = &dai_props->codec_dai;
+ unsigned int daifmt;
+
+ daifmt = snd_soc_of_parse_daifmt(node, prefix,
+ &bitclkmaster, &framemaster);
+ daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
+
+ if (strlen(prefix) && !bitclkmaster && !framemaster) {
+ /*
+ * No dai-link level and master setting was not found from
+ * sound node level, revert back to legacy DT parsing and
+ * take the settings from codec node.
+ */
+ dev_dbg(dev, "Revert to legacy daifmt parsing\n");
+
+ cpu_dai->fmt = codec_dai->fmt =
+ snd_soc_of_parse_daifmt(codec, NULL, NULL, NULL) |
+ (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK);
+ } else {
+ if (codec == bitclkmaster)
+ daifmt |= (codec == framemaster) ?
+ SND_SOC_DAIFMT_CBM_CFM : SND_SOC_DAIFMT_CBM_CFS;
+ else
+ daifmt |= (codec == framemaster) ?
+ SND_SOC_DAIFMT_CBS_CFM : SND_SOC_DAIFMT_CBS_CFS;
+
+ cpu_dai->fmt = daifmt;
+ codec_dai->fmt = daifmt;
+ }
+
+ of_node_put(bitclkmaster);
+ of_node_put(framemaster);
+
+ return 0;
+}
+
static int asoc_simple_card_dai_link_of(struct device_node *node,
struct simple_card_data *priv,
int idx,
struct device *dev = simple_priv_to_dev(priv);
struct snd_soc_dai_link *dai_link = simple_priv_to_link(priv, idx);
struct simple_dai_props *dai_props = simple_priv_to_props(priv, idx);
- struct device_node *np = NULL;
- struct device_node *bitclkmaster = NULL;
- struct device_node *framemaster = NULL;
- unsigned int daifmt;
+ struct device_node *cpu = NULL;
+ struct device_node *codec = NULL;
char *name;
char prop[128];
char *prefix = "";
if (is_top_level_node)
prefix = "simple-audio-card,";
- daifmt = snd_soc_of_parse_daifmt(node, prefix,
- &bitclkmaster, &framemaster);
- daifmt &= ~SND_SOC_DAIFMT_MASTER_MASK;
-
snprintf(prop, sizeof(prop), "%scpu", prefix);
- np = of_get_child_by_name(node, prop);
- if (!np) {
+ cpu = of_get_child_by_name(node, prop);
+
+ snprintf(prop, sizeof(prop), "%scodec", prefix);
+ codec = of_get_child_by_name(node, prop);
+
+ if (!cpu || !codec) {
ret = -EINVAL;
dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop);
goto dai_link_of_err;
}
- ret = asoc_simple_card_sub_parse_of(np, &dai_props->cpu_dai,
+ ret = asoc_simple_card_parse_daifmt(node, priv,
+ cpu, codec, prefix, idx);
+ if (ret < 0)
+ goto dai_link_of_err;
+
+ ret = asoc_simple_card_sub_parse_of(cpu, &dai_props->cpu_dai,
&dai_link->cpu_of_node,
&dai_link->cpu_dai_name,
&cpu_args);
if (ret < 0)
goto dai_link_of_err;
- dai_props->cpu_dai.fmt = daifmt;
- switch (((np == bitclkmaster) << 4) | (np == framemaster)) {
- case 0x11:
- dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS;
- break;
- case 0x10:
- dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM;
- break;
- case 0x01:
- dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS;
- break;
- default:
- dai_props->cpu_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM;
- break;
- }
-
- of_node_put(np);
- snprintf(prop, sizeof(prop), "%scodec", prefix);
- np = of_get_child_by_name(node, prop);
- if (!np) {
- ret = -EINVAL;
- dev_err(dev, "%s: Can't find %s DT node\n", __func__, prop);
- goto dai_link_of_err;
- }
-
- ret = asoc_simple_card_sub_parse_of(np, &dai_props->codec_dai,
+ ret = asoc_simple_card_sub_parse_of(codec, &dai_props->codec_dai,
&dai_link->codec_of_node,
&dai_link->codec_dai_name, NULL);
if (ret < 0)
goto dai_link_of_err;
- if (strlen(prefix) && !bitclkmaster && !framemaster) {
- /*
- * No DAI link level and master setting was found
- * from sound node level, revert back to legacy DT
- * parsing and take the settings from codec node.
- */
- dev_dbg(dev, "%s: Revert to legacy daifmt parsing\n",
- __func__);
- dai_props->cpu_dai.fmt = dai_props->codec_dai.fmt =
- snd_soc_of_parse_daifmt(np, NULL, NULL, NULL) |
- (daifmt & ~SND_SOC_DAIFMT_CLOCK_MASK);
- } else {
- dai_props->codec_dai.fmt = daifmt;
- switch (((np == bitclkmaster) << 4) | (np == framemaster)) {
- case 0x11:
- dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFM;
- break;
- case 0x10:
- dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBM_CFS;
- break;
- case 0x01:
- dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFM;
- break;
- default:
- dai_props->codec_dai.fmt |= SND_SOC_DAIFMT_CBS_CFS;
- break;
- }
- }
-
if (!dai_link->cpu_dai_name || !dai_link->codec_dai_name) {
ret = -EINVAL;
goto dai_link_of_err;
dai_link->cpu_dai_name = NULL;
dai_link_of_err:
- if (np)
- of_node_put(np);
- if (bitclkmaster)
- of_node_put(bitclkmaster);
- if (framemaster)
- of_node_put(framemaster);
+ of_node_put(cpu);
+ of_node_put(codec);
+
return ret;
}
struct simple_card_data *priv)
{
struct device *dev = simple_priv_to_dev(priv);
+ enum of_gpio_flags flags;
u32 val;
int ret;
return ret;
}
- priv->gpio_hp_det = of_get_named_gpio(node,
- "simple-audio-card,hp-det-gpio", 0);
+ priv->gpio_hp_det = of_get_named_gpio_flags(node,
+ "simple-audio-card,hp-det-gpio", 0, &flags);
+ priv->gpio_hp_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
if (priv->gpio_hp_det == -EPROBE_DEFER)
return -EPROBE_DEFER;
- priv->gpio_mic_det = of_get_named_gpio(node,
- "simple-audio-card,mic-det-gpio", 0);
+ priv->gpio_mic_det = of_get_named_gpio_flags(node,
+ "simple-audio-card,mic-det-gpio", 0, &flags);
+ priv->gpio_mic_det_invert = !!(flags & OF_GPIO_ACTIVE_LOW);
if (priv->gpio_mic_det == -EPROBE_DEFER)
return -EPROBE_DEFER;
{
struct snd_soc_card *card = platform_get_drvdata(pdev);
struct snd_soc_dai_link *dai_link;
- struct device_node *np;
int num_links;
for (num_links = 0, dai_link = card->dai_link;
num_links < card->num_links;
num_links++, dai_link++) {
- np = (struct device_node *) dai_link->cpu_of_node;
- if (np)
- of_node_put(np);
- np = (struct device_node *) dai_link->codec_of_node;
- if (np)
- of_node_put(np);
+ of_node_put(dai_link->cpu_of_node);
+ of_node_put(dai_link->codec_of_node);
}
return 0;
}
snd_soc_unregister_card(card);
- of_node_put((struct device_node *)odroidx2_dai[0].cpu_of_node);
- of_node_put((struct device_node *)odroidx2_dai[0].codec_of_node);
+ of_node_put(odroidx2_dai[0].cpu_of_node);
+ of_node_put(odroidx2_dai[0].codec_of_node);
return 0;
}
int i;
for (i = 0; i < 2; i++) {
- if (mop500_dai_links[i].cpu_of_node)
- of_node_put((struct device_node *)
- mop500_dai_links[i].cpu_of_node);
- if (mop500_dai_links[i].codec_of_node)
- of_node_put((struct device_node *)
- mop500_dai_links[i].codec_of_node);
+ of_node_put(mop500_dai_links[i].cpu_of_node);
+ of_node_put(mop500_dai_links[i].codec_of_node);
}
}
projects / firefly-linux-kernel-4.4.55.git / commitdiff