diff options
Diffstat (limited to 'sound/soc/intel/common/sst-dsp.c')
| -rw-r--r-- | sound/soc/intel/common/sst-dsp.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/sound/soc/intel/common/sst-dsp.c b/sound/soc/intel/common/sst-dsp.c index cc25f4c202af..a627236dd1f5 100644 --- a/sound/soc/intel/common/sst-dsp.c +++ b/sound/soc/intel/common/sst-dsp.c @@ -197,6 +197,22 @@ int sst_dsp_shim_update_bits64_unlocked(struct sst_dsp *sst, u32 offset, } EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits64_unlocked); +/* This is for registers bits with attribute RWC */ +void sst_dsp_shim_update_bits_forced_unlocked(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value) +{ + unsigned int old, new; + u32 ret; + + ret = sst_dsp_shim_read_unlocked(sst, offset); + + old = ret; + new = (old & (~mask)) | (value & mask); + + sst_dsp_shim_write_unlocked(sst, offset, new); +} +EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_forced_unlocked); + int sst_dsp_shim_update_bits(struct sst_dsp *sst, u32 offset, u32 mask, u32 value) { @@ -223,6 +239,18 @@ int sst_dsp_shim_update_bits64(struct sst_dsp *sst, u32 offset, } EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits64); +/* This is for registers bits with attribute RWC */ +void sst_dsp_shim_update_bits_forced(struct sst_dsp *sst, u32 offset, + u32 mask, u32 value) +{ + unsigned long flags; + + spin_lock_irqsave(&sst->spinlock, flags); + sst_dsp_shim_update_bits_forced_unlocked(sst, offset, mask, value); + spin_unlock_irqrestore(&sst->spinlock, flags); +} +EXPORT_SYMBOL_GPL(sst_dsp_shim_update_bits_forced); + int sst_dsp_register_poll(struct sst_dsp *ctx, u32 offset, u32 mask, u32 target, u32 timeout, char *operation) { |