wm_coeff_{read|write}_control were using the control length rather than the length parameter passed to them. This is not causing any issues as the two values are currently always the same, but this needs fixed to allow future improvements.
Signed-off-by: Charles Keepax ckeepax@opensource.wolfsonmicro.com --- sound/soc/codecs/wm_adsp.c | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-)
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 1c6d5fb..6d9552a 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -741,19 +741,19 @@ static int wm_coeff_write_control(struct wm_coeff_ctl *ctl, reg = ctl->alg_region.base + ctl->offset; reg = wm_adsp_region_to_reg(mem, reg);
- scratch = kmemdup(buf, ctl->len, GFP_KERNEL | GFP_DMA); + scratch = kmemdup(buf, len, GFP_KERNEL | GFP_DMA); if (!scratch) return -ENOMEM;
ret = regmap_raw_write(dsp->regmap, reg, scratch, - ctl->len); + len); if (ret) { adsp_err(dsp, "Failed to write %zu bytes to %x: %d\n", - ctl->len, reg, ret); + len, reg, ret); kfree(scratch); return ret; } - adsp_dbg(dsp, "Wrote %zu bytes to %x\n", ctl->len, reg); + adsp_dbg(dsp, "Wrote %zu bytes to %x\n", len, reg);
kfree(scratch);
@@ -800,20 +800,20 @@ static int wm_coeff_read_control(struct wm_coeff_ctl *ctl, reg = ctl->alg_region.base + ctl->offset; reg = wm_adsp_region_to_reg(mem, reg);
- scratch = kmalloc(ctl->len, GFP_KERNEL | GFP_DMA); + scratch = kmalloc(len, GFP_KERNEL | GFP_DMA); if (!scratch) return -ENOMEM;
- ret = regmap_raw_read(dsp->regmap, reg, scratch, ctl->len); + ret = regmap_raw_read(dsp->regmap, reg, scratch, len); if (ret) { adsp_err(dsp, "Failed to read %zu bytes from %x: %d\n", ctl->len, reg, ret); kfree(scratch); return ret; } - adsp_dbg(dsp, "Read %zu bytes from %x\n", ctl->len, reg); + adsp_dbg(dsp, "Read %zu bytes from %x\n", len, reg);
- memcpy(buf, scratch, ctl->len); + memcpy(buf, scratch, len); kfree(scratch);
return 0;