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-rw-r--r--drivers/mfd/wm8350-core.c21
1 files changed, 12 insertions, 9 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index b457a05b28d..f22b18b7079 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -1238,7 +1238,7 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode)
}
wm8350->reg_cache =
- kzalloc(sizeof(u16) * (WM8350_MAX_REGISTER + 1), GFP_KERNEL);
+ kmalloc(sizeof(u16) * (WM8350_MAX_REGISTER + 1), GFP_KERNEL);
if (wm8350->reg_cache == NULL)
return -ENOMEM;
@@ -1246,17 +1246,20 @@ static int wm8350_create_cache(struct wm8350 *wm8350, int type, int mode)
* a PMIC so the device many not be in a virgin state and we
* can't rely on the silicon values.
*/
+ ret = wm8350->read_dev(wm8350, 0,
+ sizeof(u16) * (WM8350_MAX_REGISTER + 1),
+ wm8350->reg_cache);
+ if (ret < 0) {
+ dev_err(wm8350->dev,
+ "failed to read initial cache values\n");
+ goto out;
+ }
+
+ /* Mask out uncacheable/unreadable bits and the audio. */
for (i = 0; i < WM8350_MAX_REGISTER; i++) {
- /* audio register range */
if (wm8350_reg_io_map[i].readable &&
(i < WM8350_CLOCK_CONTROL_1 || i > WM8350_AIF_TEST)) {
- ret = wm8350->read_dev(wm8350, i, 2, (char *)&value);
- if (ret < 0) {
- dev_err(wm8350->dev,
- "failed to read initial cache value\n");
- goto out;
- }
- value = be16_to_cpu(value);
+ value = be16_to_cpu(wm8350->reg_cache[i]);
value &= wm8350_reg_io_map[i].readable;
value &= ~wm8350_reg_io_map[i].vol;
wm8350->reg_cache[i] = value;