On Thu, Feb 03, 2011 at 06:15:21PM +0530, Rajendra Nayak wrote:
> On the OMAP3430SDP board, the ads7846 touchscreen controller
> is powered by VAUX3 regulator (supplying 2.8v).
> Fix this mapping in the board file, and hence prevent
> the ads7846 driver init to fail with the below error..
>
> ads7846 spi1.0: unable to get regulator: -19
>
> Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
Reviewed-by: Felipe Balbi <balbi@xxxxxx>
> ---
> arch/arm/mach-omap2/board-3430sdp.c | 7 +++++++
> 1 files changed, 7 insertions(+), 0 deletions(-)
>
> diff --git a/arch/arm/mach-omap2/board-3430sdp.c b/arch/arm/mach-omap2/board-3430sdp.c
> index d4e41ef..8e18f21 100644
> --- a/arch/arm/mach-omap2/board-3430sdp.c
> +++ b/arch/arm/mach-omap2/board-3430sdp.c
> @@ -427,6 +427,11 @@ static struct twl4030_madc_platform_data sdp3430_madc_data = {
> .irq_line = 1,
> };
>
> +/* ads7846 on SPI */
> +static struct regulator_consumer_supply sdp3430_vaux3_supplies[] = {
> + REGULATOR_SUPPLY("vcc", "spi1.0"),
> +};
> +
> /*
> * Apply all the fixed voltages since most versions of U-Boot
> * don't bother with that initialization.
> @@ -469,6 +474,8 @@ static struct regulator_init_data sdp3430_vaux3 = {
> .valid_ops_mask = REGULATOR_CHANGE_MODE
> | REGULATOR_CHANGE_STATUS,
> },
> + .num_consumer_supplies = ARRAY_SIZE(sdp3430_vaux3_supplies),
> + .consumer_supplies = sdp3430_vaux3_supplies,
> };
>
> /* VAUX4 for OMAP VDD_CSI2 (camera) */
> --
> 1.7.0.4
--
balbi
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