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| author | Jeff Garzik <jeff@garzik.org> | 2006-03-22 19:13:54 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-22 19:13:54 -0500 |
| commit | f01c18456993bab43067b678f56c87ca954aa43b (patch) | |
| tree | 3e0cd0cdf1a57618202b46a7126125902e3ab832 /sound/core/control_compat.c | |
| parent | 949ec2c8e6b7b89179b85baf6309c009e1a1b951 (diff) | |
| parent | 1c2e02750b992703a8a18634e08b04353face243 (diff) | |
| download | kernel_samsung_espresso10-f01c18456993bab43067b678f56c87ca954aa43b.zip kernel_samsung_espresso10-f01c18456993bab43067b678f56c87ca954aa43b.tar.gz kernel_samsung_espresso10-f01c18456993bab43067b678f56c87ca954aa43b.tar.bz2 | |
Merge branch 'master'
Diffstat (limited to 'sound/core/control_compat.c')
| -rw-r--r-- | sound/core/control_compat.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/sound/core/control_compat.c b/sound/core/control_compat.c index a529b62..84fef50 100644 --- a/sound/core/control_compat.c +++ b/sound/core/control_compat.c @@ -107,7 +107,13 @@ static int snd_ctl_elem_info_compat(struct snd_ctl_file *ctl, */ if (get_user(data->value.enumerated.item, &data32->value.enumerated.item)) goto error; - err = snd_ctl_elem_info(ctl, data); + + snd_power_lock(ctl->card); + err = snd_power_wait(ctl->card, SNDRV_CTL_POWER_D0, NULL); + if (err >= 0) + err = snd_ctl_elem_info(ctl, data); + snd_power_unlock(ctl->card); + if (err < 0) goto error; /* restore info to 32bit */ @@ -286,9 +292,14 @@ static int snd_ctl_elem_read_user_compat(struct snd_card *card, if ((err = copy_ctl_value_from_user(card, data, data32, &type, &count)) < 0) goto error; - if ((err = snd_ctl_elem_read(card, data)) < 0) - goto error; - err = copy_ctl_value_to_user(data32, data, type, count); + + snd_power_lock(card); + err = snd_power_wait(card, SNDRV_CTL_POWER_D0, NULL); + if (err >= 0) + err = snd_ctl_elem_read(card, data); + snd_power_unlock(card); + if (err >= 0) + err = copy_ctl_value_to_user(data32, data, type, count); error: kfree(data); return err; @@ -298,17 +309,23 @@ static int snd_ctl_elem_write_user_compat(struct snd_ctl_file *file, struct snd_ctl_elem_value32 __user *data32) { struct snd_ctl_elem_value *data; + struct snd_card *card = file->card; int err, type, count; data = kzalloc(sizeof(*data), GFP_KERNEL); if (data == NULL) return -ENOMEM; - if ((err = copy_ctl_value_from_user(file->card, data, data32, &type, &count)) < 0) - goto error; - if ((err = snd_ctl_elem_write(file->card, file, data)) < 0) + if ((err = copy_ctl_value_from_user(card, data, data32, &type, &count)) < 0) goto error; - err = copy_ctl_value_to_user(data32, data, type, count); + + snd_power_lock(card); + err = snd_power_wait(card, SNDRV_CTL_POWER_D0, NULL); + if (err >= 0) + err = snd_ctl_elem_write(card, file, data); + snd_power_unlock(card); + if (err >= 0) + err = copy_ctl_value_to_user(data32, data, type, count); error: kfree(data); return err; |