diff options
Diffstat (limited to 'drivers/staging/intel_sst/intel_sst_app_interface.c')
-rw-r--r-- | drivers/staging/intel_sst/intel_sst_app_interface.c | 45 |
1 files changed, 41 insertions, 4 deletions
diff --git a/drivers/staging/intel_sst/intel_sst_app_interface.c b/drivers/staging/intel_sst/intel_sst_app_interface.c index 1d0621260ea8..b8c7ddbd7cf3 100644 --- a/drivers/staging/intel_sst/intel_sst_app_interface.c +++ b/drivers/staging/intel_sst/intel_sst_app_interface.c @@ -418,10 +418,6 @@ static int snd_sst_fill_kernel_list(struct stream_info *stream, static int sent_offset; static unsigned long sent_index; - stream_bufs = kzalloc(sizeof(*stream_bufs), GFP_KERNEL); - if (!stream_bufs) - return -ENOMEM; - stream_bufs->addr = sst_drv_ctx->mmap_mem; #ifdef CONFIG_MRST_RAR_HANDLER if (stream->ops == STREAM_OPS_PLAYBACK_DRM) { for (index = stream->sg_index; index < nr_segs; index++) { @@ -448,6 +444,10 @@ static int snd_sst_fill_kernel_list(struct stream_info *stream, return retval; } #endif + stream_bufs = kzalloc(sizeof(*stream_bufs), GFP_KERNEL); + if (!stream_bufs) + return -ENOMEM; + stream_bufs->addr = sst_drv_ctx->mmap_mem; mmap_len = sst_drv_ctx->mmap_len; stream_bufs->addr = sst_drv_ctx->mmap_mem; bufp = stream->cur_ptr; @@ -961,6 +961,34 @@ free_mem: return retval; } + +int sst_ioctl_tuning_params(unsigned long arg) +{ + struct snd_sst_tuning_params params; + struct ipc_post *msg; + + if (copy_from_user(¶ms, (void __user *)arg, sizeof(params))) + return -EFAULT; + if (params.size > SST_MAILBOX_SIZE) + return -ENOMEM; + pr_debug("Parameter %d, Stream %d, Size %d\n", params.type, + params.str_id, params.size); + if (sst_create_large_msg(&msg)) + return -ENOMEM; + + sst_fill_header(&msg->header, IPC_IA_TUNING_PARAMS, 1, params.str_id); + msg->header.part.data = sizeof(u32) + sizeof(params) + params.size; + memcpy(msg->mailbox_data, &msg->header.full, sizeof(u32)); + memcpy(msg->mailbox_data + sizeof(u32), ¶ms, sizeof(params)); + if (copy_from_user(msg->mailbox_data + sizeof(params), + (void __user *)(unsigned long)params.addr, + params.size)) { + kfree(msg->mailbox_data); + kfree(msg); + return -EFAULT; + } + return sst_send_algo_ipc(&msg); +} /** * intel_sst_ioctl - receives the device ioctl's * @file_ptr:pointer to file @@ -1412,6 +1440,15 @@ free_iobufs: } retval = intel_sst_ioctl_dsp(cmd, arg); break; + + case _IOC_NR(SNDRV_SST_TUNING_PARAMS): + if (minor != AM_MODULE) { + retval = -EBADRQC; + break; + } + retval = sst_ioctl_tuning_params(arg); + break; + default: retval = -EINVAL; } |