diff options
| author | Cliff Cai <cliff.cai@analog.com> | 2008-09-03 12:54:36 +0400 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2008-09-04 13:06:34 +0400 |
| commit | 7003609b3bdf0336c742974bd1ad2d82ffb3b043 (patch) | |
| tree | 4741a0e689db87b97176b62876af43b8e044542e /sound/core | |
| parent | b7c9d8520564eca89da8733e5248c7ce8ee8e1b0 (diff) | |
| download | linux-7003609b3bdf0336c742974bd1ad2d82ffb3b043.tar.xz | |
ALSA: add dummy function to support shared mmap in nommu Blackfin arch
Cc: Mike Frysinger <vapier.adi@gmail.com>
Signed-off-by: Cliff Cai <cliff.cai@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Diffstat (limited to 'sound/core')
| -rw-r--r-- | sound/core/pcm_native.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index df2299a8cefd..e61e12506ded 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -3385,6 +3385,17 @@ out: } #endif /* CONFIG_SND_SUPPORT_OLD_API */ +#ifndef CONFIG_MMU +unsigned long dummy_get_unmapped_area(struct file *file, unsigned long addr, + unsigned long len, unsigned long pgoff, + unsigned long flags) +{ + return 0; +} +#else +# define dummy_get_unmapped_area NULL +#endif + /* * Register section */ @@ -3401,6 +3412,7 @@ const struct file_operations snd_pcm_f_ops[2] = { .compat_ioctl = snd_pcm_ioctl_compat, .mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, + .get_unmapped_area = dummy_get_unmapped_area, }, { .owner = THIS_MODULE, @@ -3413,5 +3425,6 @@ const struct file_operations snd_pcm_f_ops[2] = { .compat_ioctl = snd_pcm_ioctl_compat, .mmap = snd_pcm_mmap, .fasync = snd_pcm_fasync, + .get_unmapped_area = dummy_get_unmapped_area, } }; |