int hda_cs_dsp_write_ctl(struct cs_dsp *dsp, const char *name, int type,
unsigned int alg, const void *buf, size_t len)
{
- struct cs_dsp_coeff_ctl *cs_ctl = cs_dsp_get_ctl(dsp, name, type, alg);
+ struct cs_dsp_coeff_ctl *cs_ctl;
struct hda_cs_dsp_coeff_ctl *ctl;
int ret;
+ mutex_lock(&dsp->pwr_lock);
+ cs_ctl = cs_dsp_get_ctl(dsp, name, type, alg);
ret = cs_dsp_coeff_write_ctrl(cs_ctl, 0, buf, len);
+ mutex_unlock(&dsp->pwr_lock);
if (ret)
return ret;
int hda_cs_dsp_read_ctl(struct cs_dsp *dsp, const char *name, int type,
unsigned int alg, void *buf, size_t len)
{
- return cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(dsp, name, type, alg), 0, buf, len);
+ int ret;
+
+ mutex_lock(&dsp->pwr_lock);
+ ret = cs_dsp_coeff_read_ctrl(cs_dsp_get_ctl(dsp, name, type, alg), 0, buf, len);
+ mutex_unlock(&dsp->pwr_lock);
+
+ return ret;
}
EXPORT_SYMBOL_NS_GPL(hda_cs_dsp_read_ctl, SND_HDA_CS_DSP_CONTROLS);