mfd: wm5102: Manually apply register patch
Future updates will require us to manually apply the register patch for
wm5102.
Signed-off-by: Charles Keepax <ckeepax@opensource.wolfsonmicro.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index 909e043..44cb7be 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -10,6 +10,7 @@
* published by the Free Software Foundation.
*/
+#include <linux/device.h>
#include <linux/module.h>
#include <linux/mfd/arizona/core.h>
@@ -77,16 +78,34 @@
/* We use a function so we can use ARRAY_SIZE() */
int wm5102_patch(struct arizona *arizona)
{
+ const struct reg_default *wm5102_patch;
+ int ret = 0;
+ int i, patch_size;
+
switch (arizona->rev) {
case 0:
- return regmap_register_patch(arizona->regmap,
- wm5102_reva_patch,
- ARRAY_SIZE(wm5102_reva_patch));
+ wm5102_patch = wm5102_reva_patch;
+ patch_size = ARRAY_SIZE(wm5102_reva_patch);
default:
- return regmap_register_patch(arizona->regmap,
- wm5102_revb_patch,
- ARRAY_SIZE(wm5102_revb_patch));
+ wm5102_patch = wm5102_revb_patch;
+ patch_size = ARRAY_SIZE(wm5102_revb_patch);
}
+
+ regcache_cache_bypass(arizona->regmap, true);
+
+ for (i = 0; i < patch_size; i++) {
+ ret = regmap_write(arizona->regmap, wm5102_patch[i].reg,
+ wm5102_patch[i].def);
+ if (ret != 0) {
+ dev_err(arizona->dev, "Failed to write %x = %x: %d\n",
+ wm5102_patch[i].reg, wm5102_patch[i].def, ret);
+ goto out;
+ }
+ }
+
+out:
+ regcache_cache_bypass(arizona->regmap, false);
+ return ret;
}
static const struct regmap_irq wm5102_aod_irqs[ARIZONA_NUM_IRQ] = {