summaryrefslogtreecommitdiff
path: root/sound/pci/asihpi/hpicmn.c
diff options
context:
space:
mode:
authorEliot Blennerhassett <eblennerhassett@audioscience.com>2011-07-22 15:52:38 +1200
committerTakashi Iwai <tiwai@suse.de>2011-07-22 07:45:26 +0200
commitc6c2c9aba16c41a8f72bec0738880447d158bdf7 (patch)
tree5b89bbe77676b528fd40c939d160689d4ec3f726 /sound/pci/asihpi/hpicmn.c
parent82b5774fe02c61fc70aed6bc885f0d26b708e925 (diff)
ALSA: asihpi - Increase request and response buffer sizes
Allow for up to 256 bytes of extra data on top of standard hpi request and response sizes. Signed-off-by: Eliot Blennerhassett <eblennerhassett@audioscience.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/asihpi/hpicmn.c')
-rw-r--r--sound/pci/asihpi/hpicmn.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c
index 801dcd89c86e..fe2e1ae3853d 100644
--- a/sound/pci/asihpi/hpicmn.c
+++ b/sound/pci/asihpi/hpicmn.c
@@ -315,8 +315,7 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache,
short found = 1;
struct hpi_control_cache_info *pI;
struct hpi_control_cache_single *pC;
- struct hpi_control_cache_pad *p_pad;
-
+ u16 response_size;
if (!find_control(phm->obj_index, p_cache, &pI)) {
HPI_DEBUG_LOG(VERBOSE,
"HPICMN find_control() failed for adap %d\n",
@@ -326,11 +325,15 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache,
phr->error = 0;
+ /* set the default response size */
+ response_size =
+ sizeof(struct hpi_response_header) +
+ sizeof(struct hpi_control_res);
+
/* pC is the default cached control strucure. May be cast to
something else in the following switch statement.
*/
pC = (struct hpi_control_cache_single *)pI;
- p_pad = (struct hpi_control_cache_pad *)pI;
switch (pI->control_type) {
@@ -529,9 +532,7 @@ short hpi_check_control_cache(struct hpi_control_cache *p_cache,
pI->control_index, pI->control_type, phm->u.c.attribute);
if (found)
- phr->size =
- sizeof(struct hpi_response_header) +
- sizeof(struct hpi_control_res);
+ phr->size = response_size;
return found;
}