mfd: twl6040: Move register patching earlier in probe (006cea3a) · Commits · 戴 / test

Make sure that we patch the ACCCTL register as the first thing when the driver loads, thus configuring I2C fast mode and i2c access for dual access registers. Signed-off-by:

Peter Ujfalusi <peter.ujfalusi@ti.com> Signed-off-by:

Lee Jones <lee.jones@linaro.org>

drivers/mfd/twl6040.c

+3 −4

Original line number	Diff line number	Diff line
		@@ -675,6 +675,9 @@ static int twl6040_probe(struct i2c_client *client,
		mutex_init(&twl6040->mutex);
		init_completion(&twl6040->ready);

		regmap_register_patch(twl6040->regmap, twl6040_patch,
		ARRAY_SIZE(twl6040_patch));

		twl6040->rev = twl6040_reg_read(twl6040, TWL6040_REG_ASICREV);
		if (twl6040->rev < 0) {
		dev_err(&client->dev, "Failed to read revision register: %d\n",
		@@ -725,10 +728,6 @@ static int twl6040_probe(struct i2c_client *client,
		goto readyirq_err;
		}

		/* dual-access registers controlled by I2C only */
		regmap_register_patch(twl6040->regmap, twl6040_patch,
		ARRAY_SIZE(twl6040_patch));

		/*
		* The main functionality of twl6040 to provide audio on OMAP4+ systems.
		* We can add the ASoC codec child whenever this driver has been loaded.

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