52 lines
1.6 KiB
Diff
52 lines
1.6 KiB
Diff
|
From 74f05075c9f20865651019acc76ac0cf957eebbf Mon Sep 17 00:00:00 2001
|
||
|
|
From: wm4 <wm4@nowhere>
|
||
|
|
Date: Tue, 19 Apr 2016 16:08:35 +0200
|
||
|
|
Subject: [PATCH 249/304] bcm2835: do not require substream for accessing chmap
|
||
|
|
ctl
|
||
|
|
|
||
|
|
Fixes alsasctl store/restore operation.
|
||
|
|
---
|
||
|
|
sound/arm/bcm2835-ctl.c | 10 +---------
|
||
|
|
1 file changed, 1 insertion(+), 9 deletions(-)
|
||
|
|
|
||
|
|
--- a/sound/arm/bcm2835-ctl.c
|
||
|
|
+++ b/sound/arm/bcm2835-ctl.c
|
||
|
|
@@ -489,8 +489,6 @@ static int snd_bcm2835_chmap_ctl_get(str
|
||
|
|
{
|
||
|
|
struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
|
||
|
|
bcm2835_chip_t *chip = info->private_data;
|
||
|
|
- unsigned int idx = snd_ctl_get_ioffidx(kcontrol, &ucontrol->id);
|
||
|
|
- struct snd_pcm_substream *substream = snd_pcm_chmap_substream(info, idx);
|
||
|
|
struct cea_channel_speaker_allocation *ch = NULL;
|
||
|
|
int res = 0;
|
||
|
|
int cur = 0;
|
||
|
|
@@ -499,11 +497,6 @@ static int snd_bcm2835_chmap_ctl_get(str
|
||
|
|
if (mutex_lock_interruptible(&chip->audio_mutex))
|
||
|
|
return -EINTR;
|
||
|
|
|
||
|
|
- if (!substream || !substream->runtime) {
|
||
|
|
- res = -ENODEV;
|
||
|
|
- goto unlock;
|
||
|
|
- }
|
||
|
|
-
|
||
|
|
for (i = 0; i < ARRAY_SIZE(channel_allocations); i++) {
|
||
|
|
if (channel_allocations[i].ca_index == chip->cea_chmap)
|
||
|
|
ch = &channel_allocations[i];
|
||
|
|
@@ -521,7 +514,6 @@ static int snd_bcm2835_chmap_ctl_get(str
|
||
|
|
while (cur < 8)
|
||
|
|
ucontrol->value.integer.value[cur++] = SNDRV_CHMAP_NA;
|
||
|
|
|
||
|
|
-unlock:
|
||
|
|
mutex_unlock(&chip->audio_mutex);
|
||
|
|
return res;
|
||
|
|
}
|
||
|
|
@@ -541,7 +533,7 @@ static int snd_bcm2835_chmap_ctl_put(str
|
||
|
|
return -EINTR;
|
||
|
|
|
||
|
|
if (!substream || !substream->runtime) {
|
||
|
|
- res = -ENODEV;
|
||
|
|
+ /* ignore and return success for the sake of alsactl */
|
||
|
|
goto unlock;
|
||
|
|
}
|
||
|
|
|