Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/debugfs',...

Merge remote-tracking branches 'asoc/topic/davinci', 'asoc/topic/debugfs', 'asoc/topic/disconnect', 'asoc/topic/ep93xx' and 'asoc/topic/eukrea-tlv320' into asoc-next

sound/soc/cirrus/ep93xx-ac97.c

@@ -365,7 +365,7 @@ static int ep93xx_ac97_probe(struct platform_device *pdev)
 {
 	struct ep93xx_ac97_info *info;
 	struct resource *res;
-	unsigned int irq;
+	int irq;
 	int ret;
 
 	info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
@@ -378,8 +378,8 @@ static int ep93xx_ac97_probe(struct platform_device *pdev)
 		return PTR_ERR(info->regs);
 
 	irq = platform_get_irq(pdev, 0);
-	if (!irq)
-		return -ENODEV;
+	if (irq <= 0)
+		return irq < 0 ? irq : -ENODEV;
 
 	ret = devm_request_irq(&pdev->dev, irq, ep93xx_ac97_interrupt,
 			       IRQF_TRIGGER_HIGH, pdev->name, info);

sound/soc/davinci/davinci-mcasp.c

@@ -1242,6 +1242,20 @@ static int davinci_mcasp_hw_rule_format(struct snd_pcm_hw_params *params,
 	return snd_mask_refine(fmt, &nfmt);
 }
 
+static int davinci_mcasp_hw_rule_min_periodsize(
+		struct snd_pcm_hw_params *params, struct snd_pcm_hw_rule *rule)
+{
+	struct snd_interval *period_size = hw_param_interval(params,
+						SNDRV_PCM_HW_PARAM_PERIOD_SIZE);
+	struct snd_interval frames;
+
+	snd_interval_any(&frames);
+	frames.min = 64;
+	frames.integer = 1;
+
+	return snd_interval_refine(period_size, &frames);
+}
+
 static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
 				 struct snd_soc_dai *cpu_dai)
 {
@@ -1333,6 +1347,11 @@ static int davinci_mcasp_startup(struct snd_pcm_substream *substream,
 			return ret;
 	}
 
+	snd_pcm_hw_rule_add(substream->runtime, 0,
+			    SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+			    davinci_mcasp_hw_rule_min_periodsize, NULL,
+			    SNDRV_PCM_HW_PARAM_PERIOD_SIZE, -1);
+
 	return 0;
 }
 

sound/soc/fsl/eukrea-tlv320.c

@@ -29,7 +29,6 @@
 
 #include "../codecs/tlv320aic23.h"
 #include "imx-ssi.h"
-#include "fsl_ssi.h"
 #include "imx-audmux.h"
 
 #define CODEC_CLOCK 12000000

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);
@@ -1402,6 +1365,7 @@ void snd_soc_disconnect_sync(struct device *dev)
 
 	snd_card_disconnect_sync(component->card->snd_card);
 }
+EXPORT_SYMBOL_GPL(snd_soc_disconnect_sync);
 
 /**
  * snd_soc_add_dai_link - Add a DAI link dynamically