diff options
Diffstat (limited to 'sound/soc/fsl/fsl_xcvr.c')
| -rw-r--r-- | sound/soc/fsl/fsl_xcvr.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sound/soc/fsl/fsl_xcvr.c b/sound/soc/fsl/fsl_xcvr.c index ee16cf681488..6677d3bf36ec 100644 --- a/sound/soc/fsl/fsl_xcvr.c +++ b/sound/soc/fsl/fsl_xcvr.c @@ -228,10 +228,14 @@ static int fsl_xcvr_capds_put(struct snd_kcontrol *kcontrol, { struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); struct fsl_xcvr *xcvr = snd_soc_dai_get_drvdata(dai); + int changed; - memcpy(xcvr->cap_ds, ucontrol->value.bytes.data, FSL_XCVR_CAPDS_SIZE); + changed = memcmp(xcvr->cap_ds, ucontrol->value.bytes.data, + sizeof(xcvr->cap_ds)) != 0; + memcpy(xcvr->cap_ds, ucontrol->value.bytes.data, + sizeof(xcvr->cap_ds)); - return 0; + return changed; } static struct snd_kcontrol_new fsl_xcvr_earc_capds_kctl = { @@ -1040,10 +1044,15 @@ static int fsl_xcvr_tx_cs_put(struct snd_kcontrol *kcontrol, { struct snd_soc_dai *dai = snd_kcontrol_chip(kcontrol); struct fsl_xcvr *xcvr = snd_soc_dai_get_drvdata(dai); + int changed; - memcpy(xcvr->tx_iec958.status, ucontrol->value.iec958.status, 24); + changed = memcmp(xcvr->tx_iec958.status, + ucontrol->value.iec958.status, + sizeof(xcvr->tx_iec958.status)) != 0; + memcpy(xcvr->tx_iec958.status, ucontrol->value.iec958.status, + sizeof(xcvr->tx_iec958.status)); - return 0; + return changed; } static struct snd_kcontrol_new fsl_xcvr_rx_ctls[] = { |