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| author | Vinod Koul <vinod.koul@intel.com> | 2011-05-03 17:31:49 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@suse.de> | 2011-05-10 12:52:10 -0700 |
| commit | afe9194d58e87b38993fafb2b716a6c7756fab93 (patch) | |
| tree | 529b65a31302a04e1eebef28cfe0b82f3fb1e65f /drivers/staging/intel_sst/intel_sst_stream_encoded.c | |
| parent | 31dea7385174596f4369f71c712f1d1006a3fa05 (diff) | |
| download | op-kernel-dev-afe9194d58e87b38993fafb2b716a6c7756fab93.zip op-kernel-dev-afe9194d58e87b38993fafb2b716a6c7756fab93.tar.gz | |
intel_sst: Save audio state across D3 on Medfield
During suspend and runtime_suspend audio dsp will be in D3 state
and will loose its context.
This patch adds support in driver to save the dsp context
and restore this context during resume
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Ramesh Babu K V <ramesh.babu@intel.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/staging/intel_sst/intel_sst_stream_encoded.c')
| -rw-r--r-- | drivers/staging/intel_sst/intel_sst_stream_encoded.c | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/drivers/staging/intel_sst/intel_sst_stream_encoded.c b/drivers/staging/intel_sst/intel_sst_stream_encoded.c index d5f07b8..2be58c5 100644 --- a/drivers/staging/intel_sst/intel_sst_stream_encoded.c +++ b/drivers/staging/intel_sst/intel_sst_stream_encoded.c @@ -363,7 +363,6 @@ int sst_parse_target(struct snd_sst_slot_info *slot) pr_err("SST_Activate_target_fail\n"); else pr_err("SST_Activate_target_pass\n"); - return retval; } else if (slot->action == SND_SST_PORT_PREPARE && slot->device_type == SND_SST_DEVICE_PCM) { retval = sst_prepare_target(slot); @@ -371,12 +370,11 @@ int sst_parse_target(struct snd_sst_slot_info *slot) pr_err("SST_prepare_target_fail\n"); else pr_err("SST_prepare_target_pass\n"); - return retval; } else { pr_err("slot_action : %d, device_type: %d\n", slot->action, slot->device_type); - return retval; } + return retval; } int sst_send_target(struct snd_sst_target_device *target) @@ -886,8 +884,7 @@ static int sst_prepare_input_buffers_rar(struct stream_info *str_info, int *input_index, int *in_copied, int *input_index_valid_size, int *new_entry_flag) { - int retval = 0; - int i; + int retval = 0, i; if (str_info->ops == STREAM_OPS_PLAYBACK_DRM) { struct RAR_buffer rar_buffers; @@ -924,7 +921,6 @@ static int sst_prepare_input_buffers_rar(struct stream_info *str_info, return retval; } #endif - /*This function is used to prepare the kernel input buffers with contents before sending for decode*/ static int sst_prepare_input_buffers(struct stream_info *str_info, |
