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

git-mirror · Feb 11, 2013 · f8843c9 · f8843c9
2 parents f0fab49 + 053fe0f
commit f8843c9
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Showing 3 changed files with 28 additions and 38 deletions.
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
@@ -53,17 +53,25 @@ static unsigned long ac97_reset_config[] = {
 	GPIO95_AC97_nRESET,
 };
 
-void pxa27x_assert_ac97reset(int reset_gpio, int on)
+void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio)
 {
+	/*
+	 * This helper function is used to work around a bug in the pxa27x's
+	 * ac97 controller during a warm reset.  The configuration of the
+	 * reset_gpio is changed as follows:
+	 * to_gpio == true: configured to generic output gpio and driven high
+	 * to_gpio == false: configured to ac97 controller alt fn AC97_nRESET
+	 */
+
 	if (reset_gpio == 113)
-		pxa2xx_mfp_config(on ? &ac97_reset_config[0] :
-				       &ac97_reset_config[1], 1);
+		pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[0] :
+				  &ac97_reset_config[1], 1);
 
 	if (reset_gpio == 95)
-		pxa2xx_mfp_config(on ? &ac97_reset_config[2] :
-				       &ac97_reset_config[3], 1);
+		pxa2xx_mfp_config(to_gpio ? &ac97_reset_config[2] :
+				  &ac97_reset_config[3], 1);
 }
-EXPORT_SYMBOL_GPL(pxa27x_assert_ac97reset);
+EXPORT_SYMBOL_GPL(pxa27x_configure_ac97reset);
 
 /* Crystal clock: 13MHz */
 #define BASE_CLK	13000000

diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
@@ -34,7 +34,7 @@ static struct clk *ac97_clk;
 static struct clk *ac97conf_clk;
 static int reset_gpio;
 
-extern void pxa27x_assert_ac97reset(int reset_gpio, int on);
+extern void pxa27x_configure_ac97reset(int reset_gpio, bool to_gpio);
 
 /*
  * Beware PXA27x bugs:
@@ -140,10 +140,10 @@ static inline void pxa_ac97_warm_pxa27x(void)
 	gsr_bits = 0;
 
 	/* warm reset broken on Bulverde, so manually keep AC97 reset high */
-	pxa27x_assert_ac97reset(reset_gpio, 1);
+	pxa27x_configure_ac97reset(reset_gpio, true);
 	udelay(10);
 	GCR |= GCR_WARM_RST;
-	pxa27x_assert_ac97reset(reset_gpio, 0);
+	pxa27x_configure_ac97reset(reset_gpio, false);
 	udelay(500);
 }
 
@@ -358,7 +358,7 @@ int pxa2xx_ac97_hw_probe(struct platform_device *dev)
 			       __func__, ret);
 			goto err_conf;
 		}
-		pxa27x_assert_ac97reset(reset_gpio, 0);
+		pxa27x_configure_ac97reset(reset_gpio, false);
 
 		ac97conf_clk = clk_get(&dev->dev, "AC97CONFCLK");
 		if (IS_ERR(ac97conf_clk)) {

diff --git a/sound/soc/pxa/palm27x.c b/sound/soc/pxa/palm27x.c
@@ -79,17 +79,6 @@ static int palm27x_ac97_init(struct snd_soc_pcm_runtime *rtd)
 	struct snd_soc_dapm_context *dapm = &codec->dapm;
 	int err;
 
-	/* add palm27x specific widgets */
-	err = snd_soc_dapm_new_controls(dapm, palm27x_dapm_widgets,
-				ARRAY_SIZE(palm27x_dapm_widgets));
-	if (err)
-		return err;
-
-	/* set up palm27x specific audio path audio_map */
-	err = snd_soc_dapm_add_routes(dapm, audio_map, ARRAY_SIZE(audio_map));
-	if (err)
-		return err;
-
 	/* connected pins */
 	if (machine_is_palmld())
 		snd_soc_dapm_enable_pin(dapm, "MIC1");
@@ -149,10 +138,12 @@ static struct snd_soc_card palm27x_asoc = {
 	.owner = THIS_MODULE,
 	.dai_link = palm27x_dai,
 	.num_links = ARRAY_SIZE(palm27x_dai),
+	.dapm_widgets = palm27x_dapm_widgets,
+	.num_dapm_widgets = ARRAY_SIZE(palm27x_dapm_widgets),
+	.dapm_routes = audio_map,
+	.num_dapm_routes = ARRAY_SIZE(audio_map)
 };
 
-static struct platform_device *palm27x_snd_device;
-
 static int palm27x_asoc_probe(struct platform_device *pdev)
 {
 	int ret;
@@ -169,27 +160,18 @@ static int palm27x_asoc_probe(struct platform_device *pdev)
 	hs_jack_gpios[0].gpio = ((struct palm27x_asoc_info *)
 			(pdev->dev.platform_data))->jack_gpio;
 
-	palm27x_snd_device = platform_device_alloc("soc-audio", -1);
-	if (!palm27x_snd_device)
-		return -ENOMEM;
-
-	platform_set_drvdata(palm27x_snd_device, &palm27x_asoc);
-	ret = platform_device_add(palm27x_snd_device);
-
-	if (ret != 0)
-		goto put_device;
-
-	return 0;
-
-put_device:
-	platform_device_put(palm27x_snd_device);
+	palm27x_asoc.dev = &pdev->dev;
 
+	ret = snd_soc_register_card(&palm27x_asoc);
+	if (ret)
+		dev_err(&pdev->dev, "snd_soc_register_card() failed: %d\n",
+			ret);
 	return ret;
 }
 
 static int palm27x_asoc_remove(struct platform_device *pdev)
 {
-	platform_device_unregister(palm27x_snd_device);
+	snd_soc_unregister_card(&palm27x_asoc);
 	return 0;
 }