diff options
| author | Jayachandran B <jayachandran.b@intel.com> | 2016-06-13 17:59:01 +0530 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2016-06-14 14:59:33 +0100 |
| commit | 1665c177abf40338e7b5f1ae465d3aaabe5af9d0 (patch) | |
| tree | 61ec443fe873056cd6c2b9798db328d36a8bd4f4 /sound/soc | |
| parent | 316f135a4ec6fba2a53930f843a0c1c5d4ae1ea2 (diff) | |
ASoC: Intel: Skylake: Enable firmware reload in suspend
Broxton DSP needs retains code loaded during runtime_pm cycles.
But it looses that on suspend cycle, so on resume we need to
download the firmware again.
This is done by adding a new flag and based on flag status, we
download the firmware.
Signed-off-by: Jayachandran B <jayachandran.b@intel.com>
Signed-off-by: Senthilnathan Veppur <senthilnathanx.veppur@intel.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc')
| -rw-r--r-- | sound/soc/intel/skylake/bxt-sst.c | 9 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl-sst-ipc.h | 3 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl-sst.c | 1 | ||||
| -rw-r--r-- | sound/soc/intel/skylake/skl.c | 1 |
4 files changed, 14 insertions, 0 deletions
diff --git a/sound/soc/intel/skylake/bxt-sst.c b/sound/soc/intel/skylake/bxt-sst.c index 46235b93e4f8..e50bac74f4a8 100644 --- a/sound/soc/intel/skylake/bxt-sst.c +++ b/sound/soc/intel/skylake/bxt-sst.c @@ -185,6 +185,7 @@ static int bxt_load_base_firmware(struct sst_dsp *ctx) } else { skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING); ret = 0; + skl->fw_loaded = true; } } @@ -200,6 +201,14 @@ static int bxt_set_dsp_D0(struct sst_dsp *ctx) skl->boot_complete = false; + if (skl->fw_loaded == false) { + dev_dbg(ctx->dev, "Re-loading fw\n"); + ret = bxt_load_base_firmware(ctx); + if (ret < 0) + dev_err(ctx->dev, "reload fw failed: %d\n", ret); + return ret; + } + ret = skl_dsp_enable_core(ctx); if (ret < 0) { dev_err(ctx->dev, "enable dsp core failed ret: %d\n", ret); diff --git a/sound/soc/intel/skylake/skl-sst-ipc.h b/sound/soc/intel/skylake/skl-sst-ipc.h index 9f24261abf3e..5102c7b415fe 100644 --- a/sound/soc/intel/skylake/skl-sst-ipc.h +++ b/sound/soc/intel/skylake/skl-sst-ipc.h @@ -63,6 +63,9 @@ struct skl_sst { /* Populate module information */ struct list_head uuid_list; + + /* Is firmware loaded */ + bool fw_loaded; }; struct skl_ipc_init_instance_msg { diff --git a/sound/soc/intel/skylake/skl-sst.c b/sound/soc/intel/skylake/skl-sst.c index 4cabae54a71e..dff1076a5f9e 100644 --- a/sound/soc/intel/skylake/skl-sst.c +++ b/sound/soc/intel/skylake/skl-sst.c @@ -153,6 +153,7 @@ static int skl_load_base_firmware(struct sst_dsp *ctx) dev_dbg(ctx->dev, "Download firmware successful%d\n", ret); skl_dsp_set_state_locked(ctx, SKL_DSP_RUNNING); + skl->fw_loaded = true; } return 0; transfer_firmware_failed: diff --git a/sound/soc/intel/skylake/skl.c b/sound/soc/intel/skylake/skl.c index c0f5d5565dea..734072c79205 100644 --- a/sound/soc/intel/skylake/skl.c +++ b/sound/soc/intel/skylake/skl.c @@ -248,6 +248,7 @@ static int skl_suspend(struct device *dev) ret = _skl_suspend(ebus); if (ret < 0) return ret; + skl->skl_sst->fw_loaded = false; } if (IS_ENABLED(CONFIG_SND_SOC_HDAC_HDMI)) { |