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ucm: fix some variable constness issues

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I submitted earlier a patch that made the value parameter of
snd_use_case_get() non-const, but as that changed the public API, the
patch couldn't be accepted. This is the same patch, modifying the
internal code so that there are fewer issues with constness, but the
public API is left alone (a comment was added to the function
documentation, though, so that hopefully nobody else will try to fix
the same unfixable problem).

Signed-off-by: Tanu Kaskinen <tanu.kaskinen@linux.intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Tanu Kaskinen 2015-02-17 21:15:23 +02:00 • committed by Takashi Iwai
parent a102e66440
commit 567c831e69
2 changed files with 18 additions and 16 deletions
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5
include/use-case.h
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@ -224,8 +224,9 @@ int snd_use_case_get_list(snd_use_case_mgr_t *uc_mgr,
* \param value Value pointer
* \return Zero if success, otherwise a negative error code
*
* Note: String is dynamically allocated, use free() to
* deallocate this string.
* Note: The returned string is dynamically allocated, use free() to
* deallocate this string. (Yes, the value parameter shouldn't be marked as
* "const", but it's too late to fix it, sorry about that.)
*
* Known identifiers:
* NULL - return current card