On Saturday 30 August 2008, Felipe Balbi wrote:
> +static int lp5521_configure(struct i2c_client *client)
> +{
> + int ret = 0;
> +
> + /* Enable chip and set light to logarithmic mode*/
> + ret |= lp5521_write(client, LP5521_REG_ENABLE, 0xc0);
> +
> + /* setting all color pwms to direct control mode */
> + ret |= lp5521_write(client, LP5521_REG_OP_MODE, 0x3f);
> +
> + /* setting current to 4.7 mA for all channels */
> + ret |= lp5521_write(client, LP5521_REG_R_CNTRL, LP5521_CURRENT_4m7);
> + ret |= lp5521_write(client, LP5521_REG_G_CNTRL, LP5521_CURRENT_4m7);
> + ret |= lp5521_write(client, LP5521_REG_B_CNTRL, LP5521_CURRENT_4m7);
> +
> + /* Enable auto-powersave, set charge pump to auto, red to battery */
> + ret |= lp5521_write(client, LP5521_REG_MISC, 0x3c);
> +
This highlights one reason many of these drivers haven't gone
upstream: embedding non-general assumptions. In this case it
should be simple enough to define platform data to represent
various options like these ...
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