2019-05-27 08:55:05 +02:00
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2005-04-16 15:20:36 -07:00
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2007-10-15 09:50:19 +02:00
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2005-04-16 15:20:36 -07:00
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2011-09-22 09:34:58 -04:00
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2005-04-16 15:20:36 -07:00
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2005-06-29 19:30:42 +02:00
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2005-04-16 15:20:36 -07:00
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2013-03-11 22:05:14 +01:00
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2005-04-16 15:20:36 -07:00
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2014-01-29 15:13:33 +01:00
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2020-01-03 09:16:19 +01:00
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2005-04-16 15:20:36 -07:00
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2005-11-17 13:51:18 +01:00
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ALSA: Use priority list for managing device list
Basically, the device type specifies the priority of the device to be
registered / freed, too. However, the priority value isn't well
utilized but only it's checked as a group. This results in
inconsistent register and free order (where each of them should be in
reversed direction).
This patch simplifies the device list management code by simply
inserting a list entry at creation time in an incremental order for
the priority value. Since we can just follow the link for register,
disconnect and free calls, we don't have to specify the group; so the
whole enum definitions are also simplified as well.
The visible change to outside is that the priorities of some object
types are revisited. For example, now the SNDRV_DEV_LOWLEVEL object
is registered before others (control, PCM, etc) and, in return,
released after others. Similarly, SNDRV_DEV_CODEC is in a lower
priority than SNDRV_DEV_BUS for ensuring the dependency.
Also, the unused SNDRV_DEV_TOPLEVEL, SNDRV_DEV_LOWLEVEL_PRE and
SNDRV_DEV_LOWLEVEL_NORMAL are removed as a cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-01-29 15:53:35 +01:00
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2005-04-16 15:20:36 -07:00
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2008-08-08 17:09:09 +02:00
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2005-09-09 14:20:23 +02:00
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2015-03-10 15:42:14 +01:00
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2005-04-16 15:20:36 -07:00
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ALSA: Use priority list for managing device list
Basically, the device type specifies the priority of the device to be
registered / freed, too. However, the priority value isn't well
utilized but only it's checked as a group. This results in
inconsistent register and free order (where each of them should be in
reversed direction).
This patch simplifies the device list management code by simply
inserting a list entry at creation time in an incremental order for
the priority value. Since we can just follow the link for register,
disconnect and free calls, we don't have to specify the group; so the
whole enum definitions are also simplified as well.
The visible change to outside is that the priorities of some object
types are revisited. For example, now the SNDRV_DEV_LOWLEVEL object
is registered before others (control, PCM, etc) and, in return,
released after others. Similarly, SNDRV_DEV_CODEC is in a lower
priority than SNDRV_DEV_BUS for ensuring the dependency.
Also, the unused SNDRV_DEV_TOPLEVEL, SNDRV_DEV_LOWLEVEL_PRE and
SNDRV_DEV_LOWLEVEL_NORMAL are removed as a cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-01-29 15:53:35 +01:00
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2005-04-16 15:20:36 -07:00
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ALSA: Use priority list for managing device list
Basically, the device type specifies the priority of the device to be
registered / freed, too. However, the priority value isn't well
utilized but only it's checked as a group. This results in
inconsistent register and free order (where each of them should be in
reversed direction).
This patch simplifies the device list management code by simply
inserting a list entry at creation time in an incremental order for
the priority value. Since we can just follow the link for register,
disconnect and free calls, we don't have to specify the group; so the
whole enum definitions are also simplified as well.
The visible change to outside is that the priorities of some object
types are revisited. For example, now the SNDRV_DEV_LOWLEVEL object
is registered before others (control, PCM, etc) and, in return,
released after others. Similarly, SNDRV_DEV_CODEC is in a lower
priority than SNDRV_DEV_BUS for ensuring the dependency.
Also, the unused SNDRV_DEV_TOPLEVEL, SNDRV_DEV_LOWLEVEL_PRE and
SNDRV_DEV_LOWLEVEL_NORMAL are removed as a cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-01-29 15:53:35 +01:00
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2005-04-16 15:20:36 -07:00
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2006-04-28 15:13:39 +02:00
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2015-02-27 18:01:22 +01:00
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2014-02-04 11:36:11 +01:00
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ALSA: Use priority list for managing device list
Basically, the device type specifies the priority of the device to be
registered / freed, too. However, the priority value isn't well
utilized but only it's checked as a group. This results in
inconsistent register and free order (where each of them should be in
reversed direction).
This patch simplifies the device list management code by simply
inserting a list entry at creation time in an incremental order for
the priority value. Since we can just follow the link for register,
disconnect and free calls, we don't have to specify the group; so the
whole enum definitions are also simplified as well.
The visible change to outside is that the priorities of some object
types are revisited. For example, now the SNDRV_DEV_LOWLEVEL object
is registered before others (control, PCM, etc) and, in return,
released after others. Similarly, SNDRV_DEV_CODEC is in a lower
priority than SNDRV_DEV_BUS for ensuring the dependency.
Also, the unused SNDRV_DEV_TOPLEVEL, SNDRV_DEV_LOWLEVEL_PRE and
SNDRV_DEV_LOWLEVEL_NORMAL are removed as a cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-01-29 15:53:35 +01:00
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2015-02-27 18:01:22 +01:00
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2017-09-06 22:28:01 +02:00
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2015-02-27 18:01:22 +01:00
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2005-04-16 15:20:36 -07:00
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2006-06-23 14:38:23 +02:00
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2005-04-16 15:20:36 -07:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2005-11-17 13:51:18 +01:00
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2005-04-16 15:20:36 -07:00
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2008-08-08 17:09:09 +02:00
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2014-02-04 11:36:11 +01:00
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ALSA: Use priority list for managing device list
Basically, the device type specifies the priority of the device to be
registered / freed, too. However, the priority value isn't well
utilized but only it's checked as a group. This results in
inconsistent register and free order (where each of them should be in
reversed direction).
This patch simplifies the device list management code by simply
inserting a list entry at creation time in an incremental order for
the priority value. Since we can just follow the link for register,
disconnect and free calls, we don't have to specify the group; so the
whole enum definitions are also simplified as well.
The visible change to outside is that the priorities of some object
types are revisited. For example, now the SNDRV_DEV_LOWLEVEL object
is registered before others (control, PCM, etc) and, in return,
released after others. Similarly, SNDRV_DEV_CODEC is in a lower
priority than SNDRV_DEV_BUS for ensuring the dependency.
Also, the unused SNDRV_DEV_TOPLEVEL, SNDRV_DEV_LOWLEVEL_PRE and
SNDRV_DEV_LOWLEVEL_NORMAL are removed as a cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-01-29 15:53:35 +01:00
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2014-02-04 11:36:11 +01:00
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2017-09-06 22:28:01 +02:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2006-04-28 15:13:39 +02:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2013-03-11 22:05:14 +01:00
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2005-04-16 15:20:36 -07:00
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2005-11-17 13:51:18 +01:00
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2005-04-16 15:20:36 -07:00
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2005-11-17 13:51:18 +01:00
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2005-06-29 19:30:42 +02:00
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2008-08-08 17:09:09 +02:00
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ALSA: Use priority list for managing device list
Basically, the device type specifies the priority of the device to be
registered / freed, too. However, the priority value isn't well
utilized but only it's checked as a group. This results in
inconsistent register and free order (where each of them should be in
reversed direction).
This patch simplifies the device list management code by simply
inserting a list entry at creation time in an incremental order for
the priority value. Since we can just follow the link for register,
disconnect and free calls, we don't have to specify the group; so the
whole enum definitions are also simplified as well.
The visible change to outside is that the priorities of some object
types are revisited. For example, now the SNDRV_DEV_LOWLEVEL object
is registered before others (control, PCM, etc) and, in return,
released after others. Similarly, SNDRV_DEV_CODEC is in a lower
priority than SNDRV_DEV_BUS for ensuring the dependency.
Also, the unused SNDRV_DEV_TOPLEVEL, SNDRV_DEV_LOWLEVEL_PRE and
SNDRV_DEV_LOWLEVEL_NORMAL are removed as a cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-01-29 15:53:35 +01:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2006-04-28 15:13:39 +02:00
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2005-04-16 15:20:36 -07:00
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2005-11-17 13:51:18 +01:00
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2005-04-16 15:20:36 -07:00
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2005-11-17 13:51:18 +01:00
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2005-04-16 15:20:36 -07:00
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2008-08-08 17:09:09 +02:00
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2006-10-05 16:02:22 +02:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2015-02-27 18:01:22 +01:00
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2005-04-16 15:20:36 -07:00
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2005-11-17 13:51:18 +01:00
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2005-04-16 15:20:36 -07:00
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2008-08-08 17:09:09 +02:00
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2015-02-27 18:01:22 +01:00
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2005-04-16 15:20:36 -07:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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ALSA: Use priority list for managing device list
Basically, the device type specifies the priority of the device to be
registered / freed, too. However, the priority value isn't well
utilized but only it's checked as a group. This results in
inconsistent register and free order (where each of them should be in
reversed direction).
This patch simplifies the device list management code by simply
inserting a list entry at creation time in an incremental order for
the priority value. Since we can just follow the link for register,
disconnect and free calls, we don't have to specify the group; so the
whole enum definitions are also simplified as well.
The visible change to outside is that the priorities of some object
types are revisited. For example, now the SNDRV_DEV_LOWLEVEL object
is registered before others (control, PCM, etc) and, in return,
released after others. Similarly, SNDRV_DEV_CODEC is in a lower
priority than SNDRV_DEV_BUS for ensuring the dependency.
Also, the unused SNDRV_DEV_TOPLEVEL, SNDRV_DEV_LOWLEVEL_PRE and
SNDRV_DEV_LOWLEVEL_NORMAL are removed as a cleanup.
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-01-29 15:53:35 +01:00
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2005-04-16 15:20:36 -07:00
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2008-08-08 17:09:09 +02:00
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2014-02-04 11:36:11 +01:00
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ALSA: core: Assure control device to be registered at last
The commit 289ca025ee1d ("ALSA: Use priority list for managing device
list") changed the way to register/disconnect/free devices via a
single priority list. This helped to make behavior consistent, but it
also changed a slight behavior change: namely, the control device is
registered earlier than others, while it was supposed to be the very
last one.
I've put SNDRV_DEV_CONTROL in the current position as the release of
ctl elements often conflict with the private ctl elements some PCM or
other components may create, which often leads to a double-free.
But, the order of register and disconnect should be indeed fixed as
expected in the early days: the control device gets registered at
last, and disconnected at first.
This patch changes the priority list order to move SNDRV_DEV_CONTROL
as the last guy to assure the register / disconnect order. Meanwhile,
for keeping the messy resource release order, manually treat the
control and lowlevel devices as last freed one.
Additional note:
The lowlevel device is the device where a card driver creates at
probe. And, we still keep the release order control -> lowlevel, as
there might be link from a control element back to a lowlevel object.
Fixes: 289ca025ee1d ("ALSA: Use priority list for managing device list")
Reported-by: Tzung-Bi Shih <tzungbi@google.com>
Tested-by: Tzung-Bi Shih <tzungbi@google.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2018-05-15 20:25:29 +02:00
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2014-02-04 11:36:11 +01:00
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2005-04-16 15:20:36 -07:00
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2020-03-23 18:06:42 +01:00
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