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ASoC: Ensure we generate a driver name 

Commit 873bd4c (ASoC: Don't set invalid name string to snd_card->driver
field) broke generation of a driver name for all ASoC cards relying on the
automatic generation of one. Fix this by using the old default with spaces
replaced by underscores.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Mark Brown 2011-09-20 11:41:54 +01:00
parent f93dc4b6c9
commit f0e8ed858e
1 changed files with 15 additions and 3 deletions
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18
sound/soc/soc-core.c
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@ -30,6 +30,7 @@
#include <linux/bitops.h>
#include <linux/debugfs.h>
#include <linux/platform_device.h>
#include <linux/ctype.h>
#include <linux/slab.h>
#include <sound/ac97_codec.h>
#include <sound/core.h>
@ -1434,9 +1435,20 @@ static void snd_soc_instantiate_card(struct snd_soc_card *card)
"%s", card->name);
snprintf(card->snd_card->longname, sizeof(card->snd_card->longname),
"%s", card->long_name ? card->long_name : card->name);
if (card->driver_name)
strlcpy(card->snd_card->driver, card->driver_name,
sizeof(card->snd_card->driver));
snprintf(card->snd_card->driver, sizeof(card->snd_card->driver),
"%s", card->driver_name ? card->driver_name : card->name);
for (i = 0; i < ARRAY_SIZE(card->snd_card->driver); i++) {
switch (card->snd_card->driver[i]) {
case '_':
case '-':
case '\0':
break;
default:
if (!isalnum(card->snd_card->driver[i]))
card->snd_card->driver[i] = '_';
break;
}
}
if (card->late_probe) {
ret = card->late_probe(card);