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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-24 09:45:57 -0200 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2008-11-24 09:45:57 -0200 |
| commit | 7dddcd8c1610cacae33a0ee67971d597c4bdaffb (patch) | |
| tree | a5835041bc33836793a07aab44776eb06ba686ff /v4l | |
| parent | 18efb709ad3602aebb032ef3f23aba5d45a44d38 (diff) | |
| download | mediapointer-dvb-s2-7dddcd8c1610cacae33a0ee67971d597c4bdaffb.tar.gz mediapointer-dvb-s2-7dddcd8c1610cacae33a0ee67971d597c4bdaffb.tar.bz2 | |
em28xx-alsa: implement another locking schema
From: Mauro Carvalho Chehab <mchehab@redhat.com>
Instead of using a spinlock, it is better to call the proper pcm stream
locking schema.
Priority: normal
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'v4l')
| -rwxr-xr-x | v4l/scripts/gentree.pl | 1 | ||||
| -rwxr-xr-x | v4l/scripts/make_config_compat.pl | 20 |
2 files changed, 21 insertions, 0 deletions
diff --git a/v4l/scripts/gentree.pl b/v4l/scripts/gentree.pl index fccaedff4..d84608aa1 100755 --- a/v4l/scripts/gentree.pl +++ b/v4l/scripts/gentree.pl @@ -73,6 +73,7 @@ my %defs = ( 'BUZ_USE_HIMEM' => 1, 'NEED_SOUND_DRIVER_H' => 0, 'TTUSB_KERNEL' => 1, + 'NO_PCM_LOCK' => 0, ); ################################################################# diff --git a/v4l/scripts/make_config_compat.pl b/v4l/scripts/make_config_compat.pl index fdbc5eaba..3aac7e3b3 100755 --- a/v4l/scripts/make_config_compat.pl +++ b/v4l/scripts/make_config_compat.pl @@ -159,6 +159,25 @@ sub check_proc_create() close INNET; } +sub check_pcm_lock() +{ + my $file = "$kdir/include/sound/pcm.h"; + my $need_compat = 1; + + open INNET, "<$file" or die "File not found: $file"; + while (<INNET>) { + if (m/pcm_stream_lock/) { + $need_compat = 0; + last; + } + } + + if ($need_compat) { + $out.= "\n#define NO_PCM_LOCK 1\n"; + } + close INNET; +} + sub check_other_dependencies() { check_spin_lock(); @@ -169,6 +188,7 @@ sub check_other_dependencies() check_is_singular(); check_clamp(); check_proc_create(); + check_pcm_lock(); } # Do the basic rules |