mirrors
/
linux-stable
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
1
0
Fork 0
Code Issues Releases Wiki Activity

ALSA: aw2: avoid casting function pointers 

clang-16 started warning about incompatible function pointers here:

sound/pci/aw2/aw2-alsa.c:363:11: error: cast from 'void (*)(struct snd_pcm_substream *)' to 'snd_aw2_saa7146_it_cb' (aka 'void (*)(void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  363 |                                                     (snd_aw2_saa7146_it_cb)
      |                                                     ^~~~~~~~~~~~~~~~~~~~~~~
  364 |                                                     snd_pcm_period_elapsed,
      |                                                     ~~~~~~~~~~~~~~~~~~~~~~
sound/pci/aw2/aw2-alsa.c:392:10: error: cast from 'void (*)(struct snd_pcm_substream *)' to 'snd_aw2_saa7146_it_cb' (aka 'void (*)(void *)') converts to incompatible function type [-Werror,-Wcast-function-type-strict]
  392 |                                                    (snd_aw2_saa7146_it_cb)
      |                                                    ^~~~~~~~~~~~~~~~~~~~~~~
  393 |                                                    snd_pcm_period_elapsed,
      |                                                    ~~~~~~~~~~~~~~~~~~~~~~

Add a forward declaration for struct snd_pcm_substrea to allow it to just
use the correct prototype.

Fixes: 98f2a97f20 ("[ALSA] Emagic Audiowerk 2 ALSA driver.")
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20240213101327.460191-1-arnd@kernel.org
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Arnd Bergmann 2024-02-13 11:13:19 +01:00 committed by Takashi Iwai
parent aabdedf4d2
commit 022a13a1db
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sound/pci/aw2/aw2-saa7146.h
View File

@ -19,11 +19,12 @@
#define NUM_STREAM_CAPTURE_ANA 0
typedef void (*snd_aw2_saa7146_it_cb) (void *);
struct snd_pcm_substream;
typedef void (*snd_aw2_saa7146_it_cb) (struct snd_pcm_substream *);
struct snd_aw2_saa7146_cb_param {
snd_aw2_saa7146_it_cb p_it_callback;
void *p_callback_param;
struct snd_pcm_substream *p_callback_param;
};
/* definition of the chip-specific record */