diff options
| -rw-r--r-- | drivers/firmware/cirrus/cs_dsp.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/firmware/cirrus/cs_dsp.c b/drivers/firmware/cirrus/cs_dsp.c index 6444ef1f7f32..216d2987fe44 100644 --- a/drivers/firmware/cirrus/cs_dsp.c +++ b/drivers/firmware/cirrus/cs_dsp.c @@ -438,6 +438,8 @@ static int cs_dsp_debugfs_read_controls_show(struct seq_file *s, void *ignored) struct cs_dsp_coeff_ctl *ctl; unsigned int reg; + guard(mutex)(&dsp->pwr_lock); + list_for_each_entry(ctl, &dsp->ctl_list, list) { cs_dsp_coeff_base_reg(ctl, ®, 0); seq_printf(s, "%22.*s: %#8x %s:%08x %#8x %s %#8x %#4x %c%c%c%c %s %s\n", |