firmware: cs_dsp: Switch to using namespaced exports

Merge series from Richard Fitzgerald <rf@opensource.cirrus.com>:

Use EXPORT_SYMBOL_NS_GPL() instead of EXPORT_SYMBOL_GPL() and patch the
three drivers that use cs_dsp to add the MODULE_IMPORT_NS().

To make the namespace more specific the KConfig symbol for cs_dsp is
changed from CS_DSP to FW_CS_DSP.

diff --cc drivers/firmware/cirrus/cs_dsp.c
index 17b7198,f8b56f8..f558b39
--- 1/drivers/firmware/cirrus/cs_dsp.c
--- 2/drivers/firmware/cirrus/cs_dsp.c
+++ b/drivers/firmware/cirrus/cs_dsp.c
@@@ -780,12 -776,9 +780,12 @@@ int cs_dsp_coeff_write_ctrl(struct cs_d
        if (ctl->enabled && ctl->dsp->running)
                ret = cs_dsp_coeff_write_ctrl_raw(ctl, off, buf, len);
  
 -      return ret;
 +      if (ret < 0)
 +              return ret;
 +
 +      return 1;
  }
- EXPORT_SYMBOL_GPL(cs_dsp_coeff_write_ctrl);
+ EXPORT_SYMBOL_NS_GPL(cs_dsp_coeff_write_ctrl, FW_CS_DSP);
  
  static int cs_dsp_coeff_read_ctrl_raw(struct cs_dsp_coeff_ctl *ctl,
                                      unsigned int off, void *buf, size_t len)

diff --cc sound/soc/codecs/wm_adsp.c
Simple merge