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-rw-r--r--sound/soc/soc-core.c22
1 files changed, 17 insertions, 5 deletions
diff --git a/sound/soc/soc-core.c b/sound/soc/soc-core.c
index b085d8e..ef69f5a 100644
--- a/sound/soc/soc-core.c
+++ b/sound/soc/soc-core.c
@@ -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);
@@ -1633,7 +1645,7 @@ int snd_soc_codec_readable_register(struct snd_soc_codec *codec,
if (codec->readable_register)
return codec->readable_register(codec, reg);
else
- return 0;
+ return 1;
}
EXPORT_SYMBOL_GPL(snd_soc_codec_readable_register);
@@ -1651,7 +1663,7 @@ int snd_soc_codec_writable_register(struct snd_soc_codec *codec,
if (codec->writable_register)
return codec->writable_register(codec, reg);
else
- return 0;
+ return 1;
}
EXPORT_SYMBOL_GPL(snd_soc_codec_writable_register);

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