[alsa-devel] [PATCH v2 7/7] MFD: TWL6040: Add regulator support for VIO, V2V1 supplies

Mark Brown broonie at opensource.wolfsonmicro.com
Tue Feb 7 14:16:57 CET 2012


On Tue, Feb 07, 2012 at 03:01:18PM +0200, Peter Ujfalusi wrote:
> twl6040 has three power supply source:
> VBAT needs to be connected to VBAT, VIO, and V2V1.
> Add regulator support for the VIO, V2V1 supplies.
> Initially handle the two supply together with bulk commands.

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

Reviewed-by: Mark Brown <broonie at opensource.wolfsonmicro.com>

> +	twl6040->supplies = devm_kzalloc(&client->dev,
> +					 sizeof(struct regulator_bulk_data) *
> +					 TWL6040_NUM_SUPPLIES, GFP_KERNEL);
> +	if (!twl6040->supplies) {
> +		ret = -ENOMEM;
> +		goto err;
> +	}
> +

though I'd be inclined to just embed this structure into the twl6040
struct directly, you're always going to need to allocate it and it saves
a tiny bit of error handling and whatnot.
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