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>
diff --git a/sound/pci/asihpi/hpicmn.c b/sound/pci/asihpi/hpicmn.c
index 801dcd8..fe2e1ae 100644
--- a/sound/pci/asihpi/hpicmn.c
+++ b/sound/pci/asihpi/hpicmn.c
@@ -315,8 +315,7 @@
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 @@
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 @@
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;
}