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| author | Lu, Han <han.lu@intel.com> | 2015-03-12 08:53:00 +0300 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2015-03-12 22:18:14 +0300 |
| commit | 76c07b8265c68d9a89fb4c0a634e373a087f11be (patch) | |
| tree | d972cf3abd74d00193df8c22e4b0e7a1da51be20 /sound/soc/intel/sst-haswell-ipc.c | |
| parent | e8e79ede44ec99e09f8604c23ee99dc25065a343 (diff) | |
| download | linux-76c07b8265c68d9a89fb4c0a634e373a087f11be.tar.xz | |
ASoC: Intel: add kcontrol to enable/disable sound effect module waves
Add kcontrol to enable/disable module waves. IPC is valid only when module
is loaded. Also track module state over suspend so it's state can be restored
on resume.
Signed-off-by: Lu, Han <han.lu@intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'sound/soc/intel/sst-haswell-ipc.c')
| -rw-r--r-- | sound/soc/intel/sst-haswell-ipc.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/sound/soc/intel/sst-haswell-ipc.c b/sound/soc/intel/sst-haswell-ipc.c index 265d754a4090..ebca9035efce 100644 --- a/sound/soc/intel/sst-haswell-ipc.c +++ b/sound/soc/intel/sst-haswell-ipc.c @@ -337,6 +337,10 @@ struct sst_hsw { /* FW log stream */ struct sst_hsw_log_stream log_stream; + + /* flags bit field to track module state when resume from RTD3, + * each bit represent state (enabled/disabled) of single module */ + u32 enabled_modules_rtd3; }; #define CREATE_TRACE_POINTS @@ -1986,6 +1990,21 @@ bool sst_hsw_is_module_active(struct sst_hsw *hsw, u32 module_id) return false; } +void sst_hsw_set_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + hsw->enabled_modules_rtd3 |= (1 << module_id); +} + +void sst_hsw_set_module_disabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + hsw->enabled_modules_rtd3 &= ~(1 << module_id); +} + +bool sst_hsw_is_module_enabled_rtd3(struct sst_hsw *hsw, u32 module_id) +{ + return hsw->enabled_modules_rtd3 & (1 << module_id); +} + int sst_hsw_module_load(struct sst_hsw *hsw, u32 module_id, u32 instance_id, char *name) { |