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ALSA: asihpi - Increase request and response buffer sizes

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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>
This commit is contained in:
Eliot Blennerhassett
2011-07-22 15:52:38 +12:00
committed by Takashi Iwai
parent 82b5774fe0
commit c6c2c9aba1
3 changed files with 34 additions and 19 deletions
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15
sound/pci/asihpi/hpi6205.c
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@@ -2085,13 +2085,13 @@ static u16 message_response_sequence(struct hpi_adapter_obj *pao,
u16 err = 0;
message_count++;
if (phm->size > sizeof(interface->u)) {
if (phm->size > sizeof(interface->u.message_buffer)) {
phr->error = HPI_ERROR_MESSAGE_BUFFER_TOO_SMALL;
phr->specific_error = sizeof(interface->u);
phr->specific_error = sizeof(interface->u.message_buffer);
phr->size = sizeof(struct hpi_response_header);
HPI_DEBUG_LOG(ERROR,
"message len %d too big for buffer %zd \n", phm->size,
sizeof(interface->u));
sizeof(interface->u.message_buffer));
return 0;
}
@@ -2123,18 +2123,19 @@ static u16 message_response_sequence(struct hpi_adapter_obj *pao,
/* read the result */
if (time_out) {
if (interface->u.response_buffer.size <= phr->size)
if (interface->u.response_buffer.response.size <= phr->size)
memcpy(phr, &interface->u.response_buffer,
interface->u.response_buffer.size);
interface->u.response_buffer.response.size);
else {
HPI_DEBUG_LOG(ERROR,
"response len %d too big for buffer %d\n",
interface->u.response_buffer.size, phr->size);
interface->u.response_buffer.response.size,
phr->size);
memcpy(phr, &interface->u.response_buffer,
sizeof(struct hpi_response_header));
phr->error = HPI_ERROR_RESPONSE_BUFFER_TOO_SMALL;
phr->specific_error =
interface->u.response_buffer.size;
interface->u.response_buffer.response.size;
phr->size = sizeof(struct hpi_response_header);
}
}