recipes-kernel/most/files/0011-handle-snd_pcm_lib_mmap_vmalloc-removal.patch

   1 Handle snd_pcm_lib_mmap_vmalloc removal in 4.19
   2
   3 Add .mmap field back to pcm_ops for kernels older than 4.19.
   4
   5 Upstream-Status: Inappropriate
   6
   7 Signed-off-by: Scott Murray <scott.murray@konsulko.com>
   8
   9 diff --git a/aim-sound/sound.c b/aim-sound/sound.c
  10 index 4b3329b..c0a26be 100644
  11 --- a/aim-sound/sound.c
  12 +++ b/aim-sound/sound.c
  13 @@ -17,6 +17,7 @@
  14  #include <linux/printk.h>
  15  #include <linux/kernel.h>
  16  #include <linux/init.h>
  17 +#include <linux/version.h>
  18  #include <sound/core.h>
  19  #include <sound/pcm.h>
  20  #include <sound/pcm_params.h>
  21 @@ -463,6 +464,9 @@ static const struct snd_pcm_ops pcm_ops = {
  22         .trigger    = pcm_trigger,
  23         .pointer    = pcm_pointer,
  24         .page       = snd_pcm_lib_get_vmalloc_page,
  25 +#if LINUX_VERSION_CODE <  KERNEL_VERSION(4,19,0)
  26 +       .mmap       = snd_pcm_lib_mmap_vmalloc,
  27 +#endif
  28  };
  29
  30  static int split_arg_list(char *buf, char **card_name, u16 *ch_num,