diff options
author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-10 15:21:55 +0200 |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-10 15:21:55 +0200 |
commit | f78a8236c6502760705399dfa42e22ab11aa1e6b (patch) | |
tree | d965f09daff0d531c63e35c764e7061f9c43afe7 /sound/soc/codecs/wm_adsp.c | |
parent | 6cb3d05f3030deed157c9bbada5c58e7ee0f5172 (diff) | |
parent | 39da7c509acff13fc8cb12ec1bb20337c988ed36 (diff) |
Merge 4.11-rc6 into staging-next
We want the staging and iio fixes in here to handle merging easier.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/soc/codecs/wm_adsp.c')
-rw-r--r-- | sound/soc/codecs/wm_adsp.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index d151224ffcca..bbdb72f73df1 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -899,7 +899,10 @@ static int wm_coeff_put(struct snd_kcontrol *kctl, mutex_lock(&ctl->dsp->pwr_lock); - memcpy(ctl->cache, p, ctl->len); + if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) + ret = -EPERM; + else + memcpy(ctl->cache, p, ctl->len); ctl->set = 1; if (ctl->enabled && ctl->dsp->running) @@ -926,6 +929,8 @@ static int wm_coeff_tlv_put(struct snd_kcontrol *kctl, ctl->set = 1; if (ctl->enabled && ctl->dsp->running) ret = wm_coeff_write_control(ctl, ctl->cache, size); + else if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) + ret = -EPERM; } mutex_unlock(&ctl->dsp->pwr_lock); @@ -947,7 +952,7 @@ static int wm_coeff_put_acked(struct snd_kcontrol *kctl, mutex_lock(&ctl->dsp->pwr_lock); - if (ctl->enabled) + if (ctl->enabled && ctl->dsp->running) ret = wm_coeff_write_acked_control(ctl, val); else ret = -EPERM; |