ALSA: usb-audio: Proper fallback at get_term_name()

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get_term_name() calls snd_usb_copy_string_desc() for retrieving the
name when a specific ID (name field) is given.  When this returns an
error (zero), however, it simply returns as is.  This will end up in a
fixed name string in the caller side, which often is meaningless.

For giving a bit more useful name string depending on the terminal
type, change the get_term_name() function to go through the fallback
mode.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

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This commit is contained in:

Takashi Iwai 2017-12-19 13:38:23 +01:00

parent 50947fb04f

commit 56a23ee526

1 changed files with 6 additions and 2 deletions

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sound/usb/mixer.c

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