[alsa-devel] [RFC][PATCH 00/13 v1] Enhancement for Dice driver

[Stefan Richter]

On May 18 Takashi Sakamoto wrote:
> Takashi Sakamoto (13):
>   dice: Rename structure and its members
>   dice: Move file to its own directory
>   dice: Split transaction functionality into a file
>   dice: Split stream functionality into a file
>   dice: Split PCM functionality into a file
>   dice: Split hwdep functionality into a file
>   dice: Split proc functionality into a file
>   dice: Add new functions for limitation of PCM parameters
>   dice: Change the way to start stream
>   dice: Add support for duplex streams with synchronization
>   dice: Support for non SYT-Match sampling clock source mode
>   dice: Add support for PCM capture
>   dice: Add support for MIDI capture/playback

Patch 02/12 apparently didn't get through to the mailinglist.  It is this one,
https://github.com/takaswie/sound/commit/ad9a912161a3b6d2e48d19e185b50d4619ea5a53
right?

From ad9a912161a3b6d2e48d19e185b50d4619ea5a53 Mon Sep 17 00:00:00 2001
From: Takashi Sakamoto <o-takashi at sakamocchi.jp>
Date: Fri, 16 May 2014 22:11:47 +0900
Subject: [PATCH] dice: Move file to its own directory

In followed commits, dice driver is split into several files. For easily
managing these files, this commit adds subdirectory and move file into
the directory.

Signed-off-by: Takashi Sakamoto <o-takashi at sakamocchi.jp>
---
 sound/firewire/Makefile                    |  3 +--
 sound/firewire/dice/Makefile               |  2 ++
 sound/firewire/{ => dice}/dice-interface.h |  0
 sound/firewire/{ => dice}/dice.c           | 15 ++++++++-------
 4 files changed, 11 insertions(+), 9 deletions(-)
 create mode 100644 sound/firewire/dice/Makefile
 rename sound/firewire/{ => dice}/dice-interface.h (100%)
 rename sound/firewire/{ => dice}/dice.c (99%)

diff --git a/sound/firewire/Makefile b/sound/firewire/Makefile
index e297995cf7f7..edbe61d9ad1b 100644
--- a/sound/firewire/Makefile
+++ b/sound/firewire/Makefile
@@ -1,11 +1,10 @@
 snd-firewire-lib-objs := lib.o iso-resources.o packets-buffer.o \
 			 fcp.o cmp.o amdtp.o
-snd-dice-objs := dice.o
 snd-isight-objs := isight.o
 snd-scs1x-objs := scs1x.o
 
 obj-$(CONFIG_SND_FIREWIRE_LIB) += snd-firewire-lib.o
-obj-$(CONFIG_SND_DICE) += snd-dice.o
+obj-$(CONFIG_SND_DICE) += dice/
 obj-$(CONFIG_SND_ISIGHT) += snd-isight.o
 obj-$(CONFIG_SND_SCS1X) += snd-scs1x.o
 obj-$(CONFIG_SND_FIREWORKS) += fireworks/
diff --git a/sound/firewire/dice/Makefile b/sound/firewire/dice/Makefile
new file mode 100644
index 000000000000..af05d7e9119a
--- /dev/null
+++ b/sound/firewire/dice/Makefile
@@ -0,0 +1,2 @@
+snd-dice-objs := dice.o
+obj-m += snd-dice.o
diff --git a/sound/firewire/dice-interface.h b/sound/firewire/dice/dice-interface.h
similarity index 100%
rename from sound/firewire/dice-interface.h
rename to sound/firewire/dice/dice-interface.h
diff --git a/sound/firewire/dice.c b/sound/firewire/dice/dice.c
similarity index 99%
rename from sound/firewire/dice.c
rename to sound/firewire/dice/dice.c
index d18e7a68155d..cf8dc05c1596 100644
--- a/sound/firewire/dice.c
+++ b/sound/firewire/dice/dice.c
@@ -26,9 +26,9 @@
 #include <sound/initval.h>
 #include <sound/pcm.h>
 #include <sound/pcm_params.h>
-#include "amdtp.h"
-#include "iso-resources.h"
-#include "lib.h"
+#include "../amdtp.h"
+#include "../iso-resources.h"
+#include "../lib.h"
 #include "dice-interface.h"
 
 
@@ -133,7 +133,7 @@ static inline u64 global_address(struct snd_dice *dice, unsigned int offset)
 	return DICE_PRIVATE_SPACE + dice->global_offset + offset;
 }
 
-// TODO: rx index
+/* TODO: rx index */
 static inline u64 rx_address(struct snd_dice *dice, unsigned int offset)
 {
 	return DICE_PRIVATE_SPACE + dice->rx_offset + offset;
@@ -710,13 +710,14 @@ static long dice_hwdep_read(struct snd_hwdep *hwdep, char __user *buf,
 		event.lock_status.status = dice->dev_lock_count > 0;
 		dice->dev_lock_changed = false;
 
-		count = min(count, (long)sizeof(event.lock_status));
+		count = min_t(long, count, sizeof(event.lock_status));
 	} else {
-		event.dice_notification.type = SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION;
+		event.dice_notification.type =
+					SNDRV_FIREWIRE_EVENT_DICE_NOTIFICATION;
 		event.dice_notification.notification = dice->notification_bits;
 		dice->notification_bits = 0;
 
-		count = min(count, (long)sizeof(event.dice_notification));
+		count = min_t(long, count, sizeof(event.dice_notification));
 	}
 
 	spin_unlock_irq(&dice->lock);
-- 
1.8.5.5

-- 
Stefan Richter
-=====-====- -=-= =--==
http://arcgraph.de/sr/