From 48018943eb906d81e48f40675c17b92abfeafcf1 Mon Sep 17 00:00:00 2001 From: Mark Brown Date: Wed, 13 Aug 2014 11:42:46 +0100 Subject: mfd: wm5102: Mark register write sequencer control 3 readable During init the core checks if the wm5102 has finished starting by reading register 0x19 and looking at the value. This read always fails since this is not a readable register, mark it as being one. While we're at it provide a constant for the register name (as supplied by Charles Keepax). Signed-off-by: Mark Brown Signed-off-by: Charles Keepax Signed-off-by: Lee Jones --- drivers/mfd/arizona-core.c | 3 ++- drivers/mfd/wm5102-tables.c | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) (limited to 'drivers/mfd') diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index 10a0cb90619a..7eabc36b97c1 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -784,7 +784,8 @@ int arizona_dev_init(struct arizona *arizona) /* Ensure device startup is complete */ switch (arizona->type) { case WM5102: - ret = regmap_read(arizona->regmap, 0x19, &val); + ret = regmap_read(arizona->regmap, + ARIZONA_WRITE_SEQUENCER_CTRL_3, &val); if (ret != 0) dev_err(dev, "Failed to check write sequencer state: %d\n", diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c index a219888d7f4b..77e16e59a45d 100644 --- a/drivers/mfd/wm5102-tables.c +++ b/drivers/mfd/wm5102-tables.c @@ -1017,6 +1017,7 @@ static bool wm5102_readable_register(struct device *dev, unsigned int reg) case ARIZONA_WRITE_SEQUENCER_CTRL_0: case ARIZONA_WRITE_SEQUENCER_CTRL_1: case ARIZONA_WRITE_SEQUENCER_CTRL_2: + case ARIZONA_WRITE_SEQUENCER_CTRL_3: case ARIZONA_WRITE_SEQUENCER_PROM: case ARIZONA_TONE_GENERATOR_1: case ARIZONA_TONE_GENERATOR_2: -- cgit v1.2.3