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mfd: Register the twl6040 child for the ASoC codec unconditionally 

The main function of the twl6040 is to provide audio on OMAP4+ platforms.
Since the ASoC codec driver can work without the pdata we can register the
child to load the codec driver whenever the twl6040 MFD driver is loaded.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
This commit is contained in:
Peter Ujfalusi 2012-05-16 14:11:57 +03:00 committed by Samuel Ortiz
parent 6712419d69
commit 1f01d60e4c
1 changed files with 19 additions and 20 deletions
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39
drivers/mfd/twl6040-core.c
View File

@ -507,7 +507,7 @@ static int __devinit twl6040_probe(struct i2c_client *client,
struct twl6040_platform_data *pdata = client->dev.platform_data;
struct twl6040 *twl6040;
struct mfd_cell *cell = NULL;
int ret, children = 0;
int irq, ret, children = 0;
if (!pdata) {
dev_err(&client->dev, "Platform data is missing\n");
@ -589,22 +589,27 @@ static int __devinit twl6040_probe(struct i2c_client *client,
/* dual-access registers controlled by I2C only */
twl6040_set_bits(twl6040, TWL6040_REG_ACCCTL, TWL6040_I2CSEL);
/*
* The main functionality of twl6040 to provide audio on OMAP4+ systems.
* We can add the ASoC codec child whenever this driver has been loaded.
* The ASoC codec can work without pdata, pass the platform_data only if
* it has been provided.
*/
irq = twl6040->irq_base + TWL6040_IRQ_PLUG;
cell = &twl6040->cells[children];
cell->name = "twl6040-codec";
twl6040_codec_rsrc[0].start = irq;
twl6040_codec_rsrc[0].end = irq;
cell->resources = twl6040_codec_rsrc;
cell->num_resources = ARRAY_SIZE(twl6040_codec_rsrc);
if (pdata->codec) {
int irq = twl6040->irq_base + TWL6040_IRQ_PLUG;
cell = &twl6040->cells[children];
cell->name = "twl6040-codec";
twl6040_codec_rsrc[0].start = irq;
twl6040_codec_rsrc[0].end = irq;
cell->resources = twl6040_codec_rsrc;
cell->num_resources = ARRAY_SIZE(twl6040_codec_rsrc);
cell->platform_data = pdata->codec;
cell->pdata_size = sizeof(*pdata->codec);
children++;
}
children++;
if (pdata->vibra) {
int irq = twl6040->irq_base + TWL6040_IRQ_VIB;
irq = twl6040->irq_base + TWL6040_IRQ_VIB;
cell = &twl6040->cells[children];
cell->name = "twl6040-vibra";
@ -618,16 +623,10 @@ static int __devinit twl6040_probe(struct i2c_client *client,
children++;
}
if (children) {
ret = mfd_add_devices(&client->dev, -1, twl6040->cells,
children, NULL, 0);
if (ret)
goto mfd_err;
} else {
dev_err(&client->dev, "No platform data found for children\n");
ret = -ENODEV;
ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children,
NULL, 0);
if (ret)
goto mfd_err;
}
return 0;