ASoC: twl6040: correct loop counters for HS/HF ramp code
The Headset gain range is 0 - 0xf (4 bit resolution)
The Handsfree gain range is 0 - 0x1d (5 bit resolution,
0x1e, and 0x1f values are invalid)
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
diff --git a/sound/soc/codecs/twl6040.c b/sound/soc/codecs/twl6040.c
index 1afc596..d706bd00 100644
--- a/sound/soc/codecs/twl6040.c
+++ b/sound/soc/codecs/twl6040.c
@@ -495,8 +495,8 @@
if (headset->ramp == TWL6040_RAMP_NONE)
return;
- /* HS PGA volumes have 4 bits of resolution to ramp */
- for (i = 0; i <= 16; i++) {
+ /* HS PGA gain range: 0x0 - 0xf (0 - 15) */
+ for (i = 0; i < 16; i++) {
headset_complete = twl6040_hs_ramp_step(codec,
headset->left_step,
headset->right_step);
@@ -530,8 +530,9 @@
if (handsfree->ramp == TWL6040_RAMP_NONE)
return;
- /* HF PGA volumes have 5 bits of resolution to ramp */
- for (i = 0; i <= 32; i++) {
+ /*
+ * HF PGA gain range: 0x00 - 0x1d (0 - 29) */
+ for (i = 0; i < 30; i++) {
handsfree_complete = twl6040_hf_ramp_step(codec,
handsfree->left_step,
handsfree->right_step);