sugar/linux
1
0
Fork 0
Code Activity

Merge branch 'for-next' into for-linus

Browse Source 
Merged 4.8 changes.
This commit is contained in:
Takashi Iwai
2016-07-25 17:01:14 +02:00
parent 76df529697 275353bb68
commit cf81d6b583
34 changed files with 180 additions and 216 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
sound/hda/hdmi_chmap.c
View File

@@ -353,7 +353,8 @@ static void hdmi_std_setup_channel_mapping(struct hdac_chmap *chmap,
int hdmi_slot = 0;
/* fill actual channel mappings in ALSA channel (i) order */
for (i = 0; i < ch_alloc->channels; i++) {
while (!ch_alloc->speakers[7 - hdmi_slot] && !WARN_ON(hdmi_slot >= 8))
while (!WARN_ON(hdmi_slot >= 8) &&
!ch_alloc->speakers[7 - hdmi_slot])
hdmi_slot++; /* skip zero slots */
hdmi_channel_mapping[ca][i] = (i << 4) | hdmi_slot++;
@@ -430,6 +431,12 @@ static int to_cea_slot(int ordered_ca, unsigned char pos)
int mask = snd_hdac_chmap_to_spk_mask(pos);
int i;
/* Add sanity check to pass klockwork check.
* This should never happen.
*/
if (ordered_ca >= ARRAY_SIZE(channel_allocations))
return -1;
if (mask) {
for (i = 0; i < 8; i++) {
if (channel_allocations[ordered_ca].speakers[7 - i] == mask)
@@ -456,7 +463,15 @@ EXPORT_SYMBOL_GPL(snd_hdac_spk_to_chmap);
/* from CEA slot to ALSA API channel position */
static int from_cea_slot(int ordered_ca, unsigned char slot)
{
int mask = channel_allocations[ordered_ca].speakers[7 - slot];
int mask;
/* Add sanity check to pass klockwork check.
* This should never happen.
*/
if (slot >= 8)
return 0;
mask = channel_allocations[ordered_ca].speakers[7 - slot];
return snd_hdac_spk_to_chmap(mask);
}
@@ -523,7 +538,8 @@ static void hdmi_setup_fake_chmap(unsigned char *map, int ca)
int ordered_ca = get_channel_allocation_order(ca);
for (i = 0; i < 8; i++) {
if (i < channel_allocations[ordered_ca].channels)
if (ordered_ca < ARRAY_SIZE(channel_allocations) &&
i < channel_allocations[ordered_ca].channels)
map[i] = from_cea_slot(ordered_ca, hdmi_channel_mapping[ca][i] & 0x0f);
else
map[i] = 0;
@@ -551,6 +567,12 @@ int snd_hdac_get_active_channels(int ca)
{
int ordered_ca = get_channel_allocation_order(ca);
/* Add sanity check to pass klockwork check.
* This should never happen.
*/
if (ordered_ca >= ARRAY_SIZE(channel_allocations))
ordered_ca = 0;
return channel_allocations[ordered_ca].channels;
}
EXPORT_SYMBOL_GPL(snd_hdac_get_active_channels);