Merge remote-tracking branch 'asoc/topic/wm8994' into asoc-next

drivers/mfd/wm8994-core.c

@@ -401,13 +401,19 @@ static const __devinitconst struct reg_default wm1811_reva_patch[] = {
  */
 static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
 {
-	struct wm8994_pdata *pdata = wm8994->dev->platform_data;
+	struct wm8994_pdata *pdata;
 	struct regmap_config *regmap_config;
 	const struct reg_default *regmap_patch = NULL;
 	const char *devname;
 	int ret, i, patch_regs;
 	int pulls = 0;
 
+	if (dev_get_platdata(wm8994->dev)) {
+		pdata = dev_get_platdata(wm8994->dev);
+		wm8994->pdata = *pdata;
+	}
+	pdata = &wm8994->pdata;
+
 	dev_set_drvdata(wm8994->dev, wm8994);
 
 	/* Add the on-chip regulators first for bootstrapping */
@@ -604,7 +610,6 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
 		}
 	}
 
-	if (pdata) {
 	wm8994->irq_base = pdata->irq_base;
 	wm8994->gpio_base = pdata->gpio_base;
 
@@ -612,8 +617,7 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
 	for (i = 0; i < ARRAY_SIZE(pdata->gpio_defaults); i++) {
 		if (pdata->gpio_defaults[i]) {
 			wm8994_set_bits(wm8994, WM8994_GPIO_1 + i,
-						0xffff,
-						pdata->gpio_defaults[i]);
+					0xffff, pdata->gpio_defaults[i]);
 		}
 	}
 
@@ -621,7 +625,6 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq)
 
 	if (pdata->spkmode_pu)
 		pulls |= WM8994_SPKMODE_PU;
-	}
 
 	/* Disable unneeded pulls */
 	wm8994_set_bits(wm8994, WM8994_PULL_CONTROL_2,

include/linux/mfd/wm8994/core.h

@@ -19,6 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/regmap.h>
 
+#include <linux/mfd/wm8994/pdata.h>
+
 enum wm8994_type {
 	WM8994 = 0,
 	WM8958 = 1,
@@ -55,6 +57,8 @@ struct regulator_bulk_data;
 struct wm8994 {
 	struct mutex irq_lock;
 
+	struct wm8994_pdata pdata;
+
 	enum wm8994_type type;
 	int revision;
 	int cust_id;

include/linux/mfd/wm8994/pdata.h

@@ -176,6 +176,11 @@ struct wm8994_pdata {
         unsigned int lineout1fb:1;
         unsigned int lineout2fb:1;
 
+	/* Delay between detecting a jack and starting microphone
+	 * detect (specified in ms)
+	 */
+	int micdet_delay;
+
 	/* IRQ for microphone detection if brought out directly as a
 	 * signal.
 	 */

sound/soc/codecs/wm8958-dsp2.c

@@ -195,7 +195,7 @@ static int wm8958_dsp2_fw(struct snd_soc_codec *codec, const char *name,
 static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
 	int i;
 
 	/* If the DSP is already running then noop */
@@ -210,9 +210,9 @@ static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
 			    WM8958_DSP2_ENA, WM8958_DSP2_ENA);
 
 	/* If we've got user supplied MBC settings use them */
-	if (pdata && pdata->num_mbc_cfgs) {
+	if (control->pdata.num_mbc_cfgs) {
 		struct wm8958_mbc_cfg *cfg
-			= &pdata->mbc_cfgs[wm8994->mbc_cfg];
+			= &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
 
 		for (i = 0; i < ARRAY_SIZE(cfg->coeff_regs); i++)
 			snd_soc_write(codec, i + WM8958_MBC_BAND_1_K_1,
@@ -239,7 +239,7 @@ static void wm8958_dsp_start_mbc(struct snd_soc_codec *codec, int path)
 static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
 	int i, ena;
 
 	if (wm8994->mbc_vss)
@@ -249,26 +249,26 @@ static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
 			    WM8958_DSP2_ENA, WM8958_DSP2_ENA);
 
 	/* If we've got user supplied settings use them */
-	if (pdata && pdata->num_mbc_cfgs) {
+	if (control->pdata.num_mbc_cfgs) {
 		struct wm8958_mbc_cfg *cfg
-			= &pdata->mbc_cfgs[wm8994->mbc_cfg];
+			= &control->pdata.mbc_cfgs[wm8994->mbc_cfg];
 
 		for (i = 0; i < ARRAY_SIZE(cfg->combined_regs); i++)
 			snd_soc_write(codec, i + 0x2800,
 				      cfg->combined_regs[i]);
 	}
 
-	if (pdata && pdata->num_vss_cfgs) {
+	if (control->pdata.num_vss_cfgs) {
 		struct wm8958_vss_cfg *cfg
-			= &pdata->vss_cfgs[wm8994->vss_cfg];
+			= &control->pdata.vss_cfgs[wm8994->vss_cfg];
 
 		for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
 			snd_soc_write(codec, i + 0x2600, cfg->regs[i]);
 	}
 
-	if (pdata && pdata->num_vss_hpf_cfgs) {
+	if (control->pdata.num_vss_hpf_cfgs) {
 		struct wm8958_vss_hpf_cfg *cfg
-			= &pdata->vss_hpf_cfgs[wm8994->vss_hpf_cfg];
+			= &control->pdata.vss_hpf_cfgs[wm8994->vss_hpf_cfg];
 
 		for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
 			snd_soc_write(codec, i + 0x2400, cfg->regs[i]);
@@ -300,7 +300,7 @@ static void wm8958_dsp_start_vss(struct snd_soc_codec *codec, int path)
 static void wm8958_dsp_start_enh_eq(struct snd_soc_codec *codec, int path)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
 	int i;
 
 	wm8958_dsp2_fw(codec, "ENH_EQ", wm8994->enh_eq, false);
@@ -309,9 +309,9 @@ static void wm8958_dsp_start_enh_eq(struct snd_soc_codec *codec, int path)
 			    WM8958_DSP2_ENA, WM8958_DSP2_ENA);
 
 	/* If we've got user supplied settings use them */
-	if (pdata && pdata->num_enh_eq_cfgs) {
+	if (control->pdata.num_enh_eq_cfgs) {
 		struct wm8958_enh_eq_cfg *cfg
-			= &pdata->enh_eq_cfgs[wm8994->enh_eq_cfg];
+			= &control->pdata.enh_eq_cfgs[wm8994->enh_eq_cfg];
 
 		for (i = 0; i < ARRAY_SIZE(cfg->regs); i++)
 			snd_soc_write(codec, i + 0x2200,
@@ -458,7 +458,7 @@ static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
 	int value = ucontrol->value.integer.value[0];
 	int reg;
 
@@ -467,7 +467,7 @@ static int wm8958_put_mbc_enum(struct snd_kcontrol *kcontrol,
 	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 		return -EBUSY;
 
-	if (value >= pdata->num_mbc_cfgs)
+	if (value >= control->pdata.num_mbc_cfgs)
 		return -EINVAL;
 
 	wm8994->mbc_cfg = value;
@@ -548,7 +548,7 @@ static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
 	int value = ucontrol->value.integer.value[0];
 	int reg;
 
@@ -557,7 +557,7 @@ static int wm8958_put_vss_enum(struct snd_kcontrol *kcontrol,
 	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 		return -EBUSY;
 
-	if (value >= pdata->num_vss_cfgs)
+	if (value >= control->pdata.num_vss_cfgs)
 		return -EINVAL;
 
 	wm8994->vss_cfg = value;
@@ -581,7 +581,7 @@ static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
 	int value = ucontrol->value.integer.value[0];
 	int reg;
 
@@ -590,7 +590,7 @@ static int wm8958_put_vss_hpf_enum(struct snd_kcontrol *kcontrol,
 	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 		return -EBUSY;
 
-	if (value >= pdata->num_vss_hpf_cfgs)
+	if (value >= control->pdata.num_vss_hpf_cfgs)
 		return -EINVAL;
 
 	wm8994->vss_hpf_cfg = value;
@@ -748,7 +748,7 @@ static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
 	int value = ucontrol->value.integer.value[0];
 	int reg;
 
@@ -757,7 +757,7 @@ static int wm8958_put_enh_eq_enum(struct snd_kcontrol *kcontrol,
 	if (reg < 0 || reg & WM8958_DSP2CLK_ENA)
 		return -EBUSY;
 
-	if (value >= pdata->num_enh_eq_cfgs)
+	if (value >= control->pdata.num_enh_eq_cfgs)
 		return -EINVAL;
 
 	wm8994->enh_eq_cfg = value;
@@ -883,13 +883,6 @@ static void wm8958_mbc_vss_loaded(const struct firmware *fw, void *context)
 		wm8994->mbc_vss = fw;
 		mutex_unlock(&codec->mutex);
 	}
-
-	/* We can't have more than one request outstanding at once so
-	 * we daisy chain.
-	 */
-	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
-				"wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
-				codec, wm8958_enh_eq_loaded);
 }
 
 static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
@@ -897,25 +890,18 @@ static void wm8958_mbc_loaded(const struct firmware *fw, void *context)
 	struct snd_soc_codec *codec = context;
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 
-	if (wm8958_dsp2_fw(codec, "MBC", fw, true) != 0)
-		return;
-
+	if (fw && (wm8958_dsp2_fw(codec, "MBC", fw, true) == 0)) {
 		mutex_lock(&codec->mutex);
 		wm8994->mbc = fw;
 		mutex_unlock(&codec->mutex);
-
-	/* We can't have more than one request outstanding at once so
-	 * we daisy chain.
-	 */
-	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
-				"wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL,
-				codec, wm8958_mbc_vss_loaded);
+	}
 }
 
 void wm8958_dsp2_init(struct snd_soc_codec *codec)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
+	struct wm8994_pdata *pdata = &control->pdata;
 	int ret, i;
 
 	wm8994->dsp_active = -1;
@@ -932,9 +918,12 @@ void wm8958_dsp2_init(struct snd_soc_codec *codec)
 	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
 				"wm8958_mbc.wfw", codec->dev, GFP_KERNEL,
 				codec, wm8958_mbc_loaded);
-
-	if (!pdata)
-		return;
+	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
+				"wm8958_mbc_vss.wfw", codec->dev, GFP_KERNEL,
+				codec, wm8958_mbc_vss_loaded);
+	request_firmware_nowait(THIS_MODULE, FW_ACTION_HOTPLUG,
+				"wm8958_enh_eq.wfw", codec->dev, GFP_KERNEL,
+				codec, wm8958_enh_eq_loaded);
 
 	if (pdata->num_mbc_cfgs) {
 		struct snd_kcontrol_new control[] = {

sound/soc/codecs/wm8994.c

@@ -91,8 +91,6 @@ static int wm8994_retune_mobile_base[] = {
 	WM8994_AIF2_EQ_GAINS_1,
 };
 
-static void wm8958_default_micdet(u16 status, void *data);
-
 static const struct wm8958_micd_rate micdet_rates[] = {
 	{ 32768,       true,  1, 4 },
 	{ 32768,       false, 1, 1 },
@@ -110,15 +108,12 @@ static const struct wm8958_micd_rate jackdet_rates[] = {
 static void wm8958_micd_set_rate(struct snd_soc_codec *codec)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+	struct wm8994 *control = wm8994->wm8994;
 	int best, i, sysclk, val;
 	bool idle;
 	const struct wm8958_micd_rate *rates;
 	int num_rates;
 
-	if (!(wm8994->pdata && wm8994->pdata->micd_rates) &&
-	    wm8994->jack_cb != wm8958_default_micdet)
-		return;
-
 	idle = !wm8994->jack_mic;
 
 	sysclk = snd_soc_read(codec, WM8994_CLOCKING_1);
@@ -127,9 +122,9 @@ static void wm8958_micd_set_rate(struct snd_soc_codec *codec)
 	else
 		sysclk = wm8994->aifclk[0];
 
-	if (wm8994->pdata && wm8994->pdata->micd_rates) {
-		rates = wm8994->pdata->micd_rates;
-		num_rates = wm8994->pdata->num_micd_rates;
+	if (control->pdata.micd_rates) {
+		rates = control->pdata.micd_rates;
+		num_rates = control->pdata.num_micd_rates;
 	} else if (wm8994->jackdet) {
 		rates = jackdet_rates;
 		num_rates = ARRAY_SIZE(jackdet_rates);
@@ -326,7 +321,8 @@ static int wm8994_put_drc_sw(struct snd_kcontrol *kcontrol,
 static void wm8994_set_drc(struct snd_soc_codec *codec, int drc)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
+	struct wm8994_pdata *pdata = &control->pdata;
 	int base = wm8994_drc_base[drc];
 	int cfg = wm8994->drc_cfg[drc];
 	int save, i;
@@ -362,7 +358,8 @@ static int wm8994_put_drc_enum(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
+	struct wm8994_pdata *pdata = &control->pdata;
 	int drc = wm8994_get_drc(kcontrol->id.name);
 	int value = ucontrol->value.integer.value[0];
 
@@ -394,7 +391,8 @@ static int wm8994_get_drc_enum(struct snd_kcontrol *kcontrol,
 static void wm8994_set_retune_mobile(struct snd_soc_codec *codec, int block)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
+	struct wm8994_pdata *pdata = &control->pdata;
 	int base = wm8994_retune_mobile_base[block];
 	int iface, best, best_val, save, i, cfg;
 
@@ -465,7 +463,8 @@ static int wm8994_put_retune_mobile_enum(struct snd_kcontrol *kcontrol,
 {
 	struct snd_soc_codec *codec = snd_kcontrol_chip(kcontrol);
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
+	struct wm8994_pdata *pdata = &control->pdata;
 	int block = wm8994_get_retune_mobile_block(kcontrol->id.name);
 	int value = ucontrol->value.integer.value[0];
 
@@ -736,7 +735,7 @@ static void wm1811_jackdet_set_mode(struct snd_soc_codec *codec, u16 mode)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 
-	if (!wm8994->jackdet || !wm8994->jack_cb)
+	if (!wm8994->jackdet || !wm8994->micdet[0].jack)
 		return;
 
 	if (wm8994->active_refcount)
@@ -862,7 +861,7 @@ static void vmid_reference(struct snd_soc_codec *codec)
 					    WM8994_BIAS_SRC |
 					    WM8994_STARTUP_BIAS_ENA |
 					    WM8994_VMID_BUF_ENA |
-					    (0x3 << WM8994_VMID_RAMP_SHIFT));
+					    (0x2 << WM8994_VMID_RAMP_SHIFT));
 
 			/* Main bias enable, VMID=2x40k */
 			snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
@@ -870,7 +869,7 @@ static void vmid_reference(struct snd_soc_codec *codec)
 					    WM8994_VMID_SEL_MASK,
 					    WM8994_BIAS_ENA | 0x2);
 
-			msleep(50);
+			msleep(300);
 
 			snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
 					    WM8994_VMID_RAMP_MASK |
@@ -939,16 +938,10 @@ static void vmid_dereference(struct snd_soc_codec *codec)
 				    WM8994_BIAS_SRC |
 				    WM8994_VMID_DISCH);
 
-		switch (wm8994->vmid_mode) {
-		case WM8994_VMID_FORCE:
-			msleep(350);
-			break;
-		default:
-			break;
-		}
+		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
+				    WM8994_VMID_SEL_MASK, 0);
 
-		snd_soc_update_bits(codec, WM8994_ADDITIONAL_CONTROL,
-				    WM8994_VROI, WM8994_VROI);
+		msleep(400);
 
 		/* Active discharge */
 		snd_soc_update_bits(codec, WM8994_ANTIPOP_1,
@@ -957,17 +950,12 @@ static void vmid_dereference(struct snd_soc_codec *codec)
 				    WM8994_LINEOUT1_DISCH |
 				    WM8994_LINEOUT2_DISCH);
 
-		msleep(150);
-
 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_3,
 				    WM8994_LINEOUT1N_ENA |
 				    WM8994_LINEOUT1P_ENA |
 				    WM8994_LINEOUT2N_ENA |
 				    WM8994_LINEOUT2P_ENA, 0);
 
-		snd_soc_update_bits(codec, WM8994_ADDITIONAL_CONTROL,
-				    WM8994_VROI, 0);
-
 		/* Switch off startup biases */
 		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
 				    WM8994_BIAS_SRC |
@@ -976,10 +964,7 @@ static void vmid_dereference(struct snd_soc_codec *codec)
 				    WM8994_VMID_RAMP_MASK, 0);
 
 		snd_soc_update_bits(codec, WM8994_POWER_MANAGEMENT_1,
-				    WM8994_BIAS_ENA | WM8994_VMID_SEL_MASK, 0);
-
-		snd_soc_update_bits(codec, WM8994_ANTIPOP_2,
-				    WM8994_VMID_RAMP_MASK, 0);
+				    WM8994_VMID_SEL_MASK, 0);
 	}
 
 	pm_runtime_put(codec->dev);
@@ -2277,6 +2262,18 @@ static int _wm8994_set_fll(struct snd_soc_codec *codec, int id, int src,
 
 	configure_clock(codec);
 
+	/*
+	 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
+	 * for detection.
+	 */
+	if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
+		dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
+		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
+				    WM8994_AIF1CLK_RATE_MASK, 0x1);
+		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
+				    WM8994_AIF2CLK_RATE_MASK, 0x1);
+	}
+
 	return 0;
 }
 
@@ -2365,6 +2362,18 @@ static int wm8994_set_dai_sysclk(struct snd_soc_dai *dai,
 
 	configure_clock(codec);
 
+	/*
+	 * If SYSCLK will be less than 50kHz adjust AIFnCLK dividers
+	 * for detection.
+	 */
+	if (max(wm8994->aifclk[0], wm8994->aifclk[1]) < 50000) {
+		dev_dbg(codec->dev, "Configuring AIFs for 128fs\n");
+		snd_soc_update_bits(codec, WM8994_AIF1_RATE,
+				    WM8994_AIF1CLK_RATE_MASK, 0x1);
+		snd_soc_update_bits(codec, WM8994_AIF2_RATE,
+				    WM8994_AIF2CLK_RATE_MASK, 0x1);
+	}
+
 	return 0;
 }
 
@@ -3082,7 +3091,8 @@ static int wm8994_codec_resume(struct snd_soc_codec *codec)
 static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
 {
 	struct snd_soc_codec *codec = wm8994->hubs.codec;
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
+	struct wm8994_pdata *pdata = &control->pdata;
 	struct snd_kcontrol_new controls[] = {
 		SOC_ENUM_EXT("AIF1.1 EQ Mode",
 			     wm8994->retune_mobile_enum,
@@ -3149,7 +3159,8 @@ static void wm8994_handle_retune_mobile_pdata(struct wm8994_priv *wm8994)
 static void wm8994_handle_pdata(struct wm8994_priv *wm8994)
 {
 	struct snd_soc_codec *codec = wm8994->hubs.codec;
-	struct wm8994_pdata *pdata = wm8994->pdata;
+	struct wm8994 *control = wm8994->wm8994;
+	struct wm8994_pdata *pdata = &control->pdata;
 	int ret, i;
 
 	if (!pdata)
@@ -3389,38 +3400,80 @@ static irqreturn_t wm8994_mic_irq(int irq, void *data)
 	return IRQ_HANDLED;
 }
 
-/* Default microphone detection handler for WM8958 - the user can
- * override this if they wish.
- */
-static void wm8958_default_micdet(u16 status, void *data)
+static void wm1811_micd_stop(struct snd_soc_codec *codec)
+{
+	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
+
+	if (!wm8994->jackdet)
+		return;
+
+	mutex_lock(&wm8994->accdet_lock);
+
+	snd_soc_update_bits(codec, WM8958_MIC_DETECT_1, WM8958_MICD_ENA, 0);
+
+	wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_JACK);
+
+	mutex_unlock(&wm8994->accdet_lock);
+
+	if (wm8994->wm8994->pdata.jd_ext_cap)
+		snd_soc_dapm_disable_pin(&codec->dapm,
+					 "MICBIAS2");
+}
+
+static void wm8958_button_det(struct snd_soc_codec *codec, u16 status)
 {
-	struct snd_soc_codec *codec = data;
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 	int report;
 
-	dev_dbg(codec->dev, "MICDET %x\n", status);
+	report = 0;
+	if (status & 0x4)
+		report |= SND_JACK_BTN_0;
+
+	if (status & 0x8)
+		report |= SND_JACK_BTN_1;
+
+	if (status & 0x10)
+		report |= SND_JACK_BTN_2;
+
+	if (status & 0x20)
+		report |= SND_JACK_BTN_3;
+
+	if (status & 0x40)
+		report |= SND_JACK_BTN_4;
+
+	if (status & 0x80)
+		report |= SND_JACK_BTN_5;
+
+	snd_soc_jack_report(wm8994->micdet[0].jack, report,
+			    wm8994->btn_mask);
+}
+
+static void wm8958_mic_id(void *data, u16 status)
+{
+	struct snd_soc_codec *codec = data;
+	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 
 	/* Either nothing present or just starting detection */
 	if (!(status & WM8958_MICD_STS)) {
-		if (!wm8994->jackdet) {
 		/* If nothing present then clear our statuses */
 		dev_dbg(codec->dev, "Detected open circuit\n");
 		wm8994->jack_mic = false;
 		wm8994->mic_detecting = true;
 
+		wm1811_micd_stop(codec);
+
 		wm8958_micd_set_rate(codec);
 
 		snd_soc_jack_report(wm8994->micdet[0].jack, 0,
 				    wm8994->btn_mask |
 				    SND_JACK_HEADSET);
-		}
 		return;
 	}
 
 	/* If the measurement is showing a high impedence we've got a
 	 * microphone.
 	 */
-	if (wm8994->mic_detecting && (status & 0x600)) {
+	if (status & 0x600) {
 		dev_dbg(codec->dev, "Detected microphone\n");
 
 		wm8994->mic_detecting = false;
@@ -3433,64 +3486,67 @@ static void wm8958_default_micdet(u16 status, void *data)
 	}
 
 
-	if (wm8994->mic_detecting && status & 0xfc) {
+	if (status & 0xfc) {
 		dev_dbg(codec->dev, "Detected headphone\n");
 		wm8994->mic_detecting = false;
 
 		wm8958_micd_set_rate(codec);
 
 		/* If we have jackdet that will detect removal */
-		if (wm8994->jackdet) {
-			mutex_lock(&wm8994->accdet_lock);
-
-			snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
-					    WM8958_MICD_ENA, 0);
-
-			wm1811_jackdet_set_mode(codec,
-						WM1811_JACKDET_MODE_JACK);
-
-			mutex_unlock(&wm8994->accdet_lock);
-
-			if (wm8994->pdata->jd_ext_cap)
-				snd_soc_dapm_disable_pin(&codec->dapm,
-							 "MICBIAS2");
-		}
+		wm1811_micd_stop(codec);
 
 		snd_soc_jack_report(wm8994->micdet[0].jack, SND_JACK_HEADPHONE,
 				    SND_JACK_HEADSET);
 	}
+}
 
-	/* Report short circuit as a button */
-	if (wm8994->jack_mic) {
-		report = 0;
-		if (status & 0x4)
-			report |= SND_JACK_BTN_0;
+/* Deferred mic detection to allow for extra settling time */
+static void wm1811_mic_work(struct work_struct *work)
+{
+	struct wm8994_priv *wm8994 = container_of(work, struct wm8994_priv,
+						  mic_work.work);
+	struct wm8994 *control = wm8994->wm8994;
+	struct snd_soc_codec *codec = wm8994->hubs.codec;
 
-		if (status & 0x8)
-			report |= SND_JACK_BTN_1;
+	pm_runtime_get_sync(codec->dev);
 
-		if (status & 0x10)
-			report |= SND_JACK_BTN_2;
+	/* If required for an external cap force MICBIAS on */
+	if (control->pdata.jd_ext_cap) {
+		snd_soc_dapm_force_enable_pin(&codec->dapm,
+					      "MICBIAS2");
+		snd_soc_dapm_sync(&codec->dapm);
+	}
 
-		if (status & 0x20)
-			report |= SND_JACK_BTN_3;
+	mutex_lock(&wm8994->accdet_lock);
 
-		if (status & 0x40)
-			report |= SND_JACK_BTN_4;
+	dev_dbg(codec->dev, "Starting mic detection\n");
 
-		if (status & 0x80)
-			report |= SND_JACK_BTN_5;
+	/* Use a user-supplied callback if we have one */
+	if (wm8994->micd_cb) {
+		wm8994->micd_cb(wm8994->micd_cb_data);
+	} else {
+		/*
+		 * Start off measument of microphone impedence to find out
+		 * what's actually there.
+		 */
+		wm8994->mic_detecting = true;
+		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_MIC);
 
-		snd_soc_jack_report(wm8994->micdet[0].jack, report,
-				    wm8994->btn_mask);
+		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
+				    WM8958_MICD_ENA, WM8958_MICD_ENA);
 	}
+
+	mutex_unlock(&wm8994->accdet_lock);
+
+	pm_runtime_put(codec->dev);
 }
 
 static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 {
 	struct wm8994_priv *wm8994 = data;
+	struct wm8994 *control = wm8994->wm8994;
 	struct snd_soc_codec *codec = wm8994->hubs.codec;
-	int reg;
+	int reg, delay;
 	bool present;
 
 	pm_runtime_get_sync(codec->dev);
@@ -3521,18 +3577,14 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 		snd_soc_update_bits(codec, WM1811_JACKDET_CTRL,
 				    WM1811_JACKDET_DB, 0);
 
-		/*
-		 * Start off measument of microphone impedence to find
-		 * out what's actually there.
-		 */
-		wm8994->mic_detecting = true;
-		wm1811_jackdet_set_mode(codec, WM1811_JACKDET_MODE_MIC);
-
-		snd_soc_update_bits(codec, WM8958_MIC_DETECT_1,
-				    WM8958_MICD_ENA, WM8958_MICD_ENA);
+		delay = control->pdata.micdet_delay;
+		schedule_delayed_work(&wm8994->mic_work,
+				      msecs_to_jiffies(delay));
 	} else {
 		dev_dbg(codec->dev, "Jack not detected\n");
 
+		cancel_delayed_work_sync(&wm8994->mic_work);
+
 		snd_soc_update_bits(codec, WM8958_MICBIAS2,
 				    WM8958_MICB2_DISCH, WM8958_MICB2_DISCH);
 
@@ -3549,14 +3601,9 @@ static irqreturn_t wm1811_jackdet_irq(int irq, void *data)
 
 	mutex_unlock(&wm8994->accdet_lock);
 
-	/* If required for an external cap force MICBIAS on */
-	if (wm8994->pdata->jd_ext_cap) {
-		if (present)
-			snd_soc_dapm_force_enable_pin(&codec->dapm,
-						      "MICBIAS2");
-		else
+	/* Turn off MICBIAS if it was on for an external cap */
+	if (control->pdata.jd_ext_cap && !present)
 		snd_soc_dapm_disable_pin(&codec->dapm, "MICBIAS2");
-	}
 
 	if (present)
 		snd_soc_jack_report(wm8994->micdet[0].jack,
@@ -3599,7 +3646,8 @@ static void wm1811_jackdet_bootstrap(struct work_struct *work)
  * detection algorithm.
  */
 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
-		      wm8958_micdet_cb cb, void *cb_data)
+		      wm1811_micdet_cb det_cb, void *det_cb_data,
+		      wm1811_mic_id_cb id_cb, void *id_cb_data)
 {
 	struct wm8994_priv *wm8994 = snd_soc_codec_get_drvdata(codec);
 	struct wm8994 *control = wm8994->wm8994;
@@ -3614,27 +3662,32 @@ int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
 	}
 
 	if (jack) {
-		if (!cb) {
-			dev_dbg(codec->dev, "Using default micdet callback\n");
-			cb = wm8958_default_micdet;
-			cb_data = codec;
-		}
-
 		snd_soc_dapm_force_enable_pin(&codec->dapm, "CLK_SYS");
 		snd_soc_dapm_sync(&codec->dapm);
 
 		wm8994->micdet[0].jack = jack;
-		wm8994->jack_cb = cb;
-		wm8994->jack_cb_data = cb_data;
 
+		if (det_cb) {
+			wm8994->micd_cb = det_cb;
+			wm8994->micd_cb_data = det_cb_data;
+		} else {
 			wm8994->mic_detecting = true;
 			wm8994->jack_mic = false;
+		}
+
+		if (id_cb) {
+			wm8994->mic_id_cb = id_cb;
+			wm8994->mic_id_cb_data = id_cb_data;
+		} else {
+			wm8994->mic_id_cb = wm8958_mic_id;
+			wm8994->mic_id_cb_data = codec;
+		}
 
 		wm8958_micd_set_rate(codec);
 
 		/* Detect microphones and short circuits by default */
-		if (wm8994->pdata->micd_lvl_sel)
-			micd_lvl_sel = wm8994->pdata->micd_lvl_sel;
+		if (control->pdata.micd_lvl_sel)
+			micd_lvl_sel = control->pdata.micd_lvl_sel;
 		else
 			micd_lvl_sel = 0x41;
 
@@ -3728,10 +3781,22 @@ static irqreturn_t wm8958_mic_irq(int irq, void *data)
 	trace_snd_soc_jack_irq(dev_name(codec->dev));
 #endif
 
-	if (wm8994->jack_cb)
-		wm8994->jack_cb(reg, wm8994->jack_cb_data);
+	/* Avoid a transient report when the accessory is being removed */
+	if (wm8994->jackdet) {
+		reg = snd_soc_read(codec, WM1811_JACKDET_CTRL);
+		if (reg < 0) {
+			dev_err(codec->dev, "Failed to read jack status: %d\n",
+				reg);
+		} else if (!(reg & WM1811_JACKDET_LVL)) {
+			dev_dbg(codec->dev, "Ignoring removed jack\n");
+			return IRQ_HANDLED;
+		}
+	}
+
+	if (wm8994->mic_detecting)
+		wm8994->mic_id_cb(wm8994->mic_id_cb_data, reg);
 	else
-		dev_warn(codec->dev, "Accessory detection with no callback\n");
+		wm8958_button_det(codec, reg);
 
 out:
 	pm_runtime_put(codec->dev);
@@ -3779,15 +3844,24 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
 	snd_soc_codec_set_cache_io(codec, 16, 16, SND_SOC_REGMAP);
 
 	mutex_init(&wm8994->accdet_lock);
-	INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
 	INIT_DELAYED_WORK(&wm8994->jackdet_bootstrap,
 			  wm1811_jackdet_bootstrap);
 
+	switch (control->type) {
+	case WM8994:
+		INIT_DELAYED_WORK(&wm8994->mic_work, wm8994_mic_work);
+		break;
+	case WM1811:
+		INIT_DELAYED_WORK(&wm8994->mic_work, wm1811_mic_work);
+		break;
+	default:
+		break;
+	}
+
 	for (i = 0; i < ARRAY_SIZE(wm8994->fll_locked); i++)
 		init_completion(&wm8994->fll_locked[i]);
 
-	if (wm8994->pdata && wm8994->pdata->micdet_irq)
-		wm8994->micdet_irq = wm8994->pdata->micdet_irq;
+	wm8994->micdet_irq = control->pdata.micdet_irq;
 
 	pm_runtime_enable(codec->dev);
 	pm_runtime_idle(codec->dev);
@@ -3800,8 +3874,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
 	switch (control->type) {
 	case WM8994:
 		/* Single ended line outputs should have VMID on. */
-		if (!wm8994->pdata->lineout1_diff ||
-		    !wm8994->pdata->lineout2_diff)
+		if (!control->pdata.lineout1_diff ||
+		    !control->pdata.lineout2_diff)
 			codec->dapm.idle_bias_off = 0;
 
 		switch (wm8994->revision) {
@@ -3839,20 +3913,8 @@ static int wm8994_codec_probe(struct snd_soc_codec *codec)
 		wm8994->hubs.no_cache_dac_hp_direct = true;
 		wm8994->fll_byp = true;
 
-		switch (control->cust_id) {
-		case 0:
-		case 2:
 		wm8994->hubs.dcs_codes_l = -9;
 		wm8994->hubs.dcs_codes_r = -7;
-			break;
-		case 1:
-		case 3:
-			wm8994->hubs.dcs_codes_l = -8;
-			wm8994->hubs.dcs_codes_r = -7;
-			break;
-		default:
-			break;
-		}
 
 		snd_soc_update_bits(codec, WM8994_ANALOGUE_HP_1,
 				    WM1811_HPOUT1_ATTN, WM1811_HPOUT1_ATTN);
@@ -4236,7 +4298,6 @@ static int __devinit wm8994_probe(struct platform_device *pdev)
 	platform_set_drvdata(pdev, wm8994);
 
 	wm8994->wm8994 = dev_get_drvdata(pdev->dev.parent);
-	wm8994->pdata = dev_get_platdata(pdev->dev.parent);
 
 	return snd_soc_register_codec(&pdev->dev, &soc_codec_dev_wm8994,
 			wm8994_dai, ARRAY_SIZE(wm8994_dai));
@@ -4266,7 +4327,7 @@ static int wm8994_resume(struct device *dev)
 {
 	struct wm8994_priv *wm8994 = dev_get_drvdata(dev);
 
-	if (wm8994->jackdet && wm8994->jack_cb)
+	if (wm8994->jackdet && wm8994->jackdet_mode)
 		regmap_update_bits(wm8994->wm8994->regmap, WM8994_ANTIPOP_2,
 				   WM1811_JACKDET_MODE_MASK,
 				   WM1811_JACKDET_MODE_AUDIO);

sound/soc/codecs/wm8994.h

@@ -39,12 +39,14 @@ enum wm8994_vmid_mode {
 	WM8994_VMID_FORCE,
 };
 
-typedef void (*wm8958_micdet_cb)(u16 status, void *data);
+typedef void (*wm1811_micdet_cb)(void *data);
+typedef void (*wm1811_mic_id_cb)(void *data, u16 status);
 
 int wm8994_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
 		      int micbias);
 int wm8958_mic_detect(struct snd_soc_codec *codec, struct snd_soc_jack *jack,
-		      wm8958_micdet_cb cb, void *cb_data);
+		      wm1811_micdet_cb cb, void *det_cb_data,
+		      wm1811_mic_id_cb id_cb, void *id_cb_data);
 
 int wm8994_vmid_mode(struct snd_soc_codec *codec, enum wm8994_vmid_mode mode);
 
@@ -138,12 +140,13 @@ struct wm8994_priv {
 	int jackdet_mode;
 	struct delayed_work jackdet_bootstrap;
 
-	wm8958_micdet_cb jack_cb;
-	void *jack_cb_data;
 	int micdet_irq;
+	wm1811_micdet_cb micd_cb;
+	void *micd_cb_data;
+	wm1811_mic_id_cb mic_id_cb;
+	void *mic_id_cb_data;
 
 	int revision;
-	struct wm8994_pdata *pdata;
 
 	unsigned int aif1clk_enable:1;
 	unsigned int aif2clk_enable:1;

sound/soc/samsung/littlemill.c

@@ -270,7 +270,7 @@ static int littlemill_late_probe(struct snd_soc_card *card)
 		return ret;
 
 	/* This will check device compatibility itself */
-	wm8958_mic_detect(codec, &littlemill_headset, NULL, NULL);
+	wm8958_mic_detect(codec, &littlemill_headset, NULL, NULL, NULL, NULL);
 
 	/* As will this */
 	wm8994_mic_detect(codec, &littlemill_headset, 1);