On 10/18/11 13:58, Ricardo Ribalda Delgado wrote:
> Hello Jonathan
>
> I think I am going to do it like ads1015.c. I will check for the
> pdata, then for the dt info (if it is there) and finally go for the
> default, if all fails. What do you think? Shall I fix it in cma3000
> and cmr3000?
That sounds like the best plan to me. Fix them both.
>
> Thanks again
>
> On Tue, Oct 18, 2011 at 14:53, Jonathan Cameron <jic23@xxxxxxxxx> wrote:
>> On 10/18/11 13:06, Ricardo Ribalda Delgado wrote:
>>> Architectures based on device-tree does not have platform data
>>> associated to the spi/i2c devices.
>>> This patch allows those architectures to use the cma3000 driver with
>>> a default configuration.
>> Fine except for this description. Looks to be a perfectly reasonable
>> way of specifying these in DT. So fix that and I'm happy.
>> Whoever wants to pass this in from DT can do a patch for it!
>>>
>>> ---
>>>
>>> v2: Fixes suggested by Jonathan Cameron
>>> -Spelling
>>> -Simplify pdata!=NULL check
>>>
>>> Signed-off-by: Ricardo Ribalda Delgado <ricardo.ribalda@xxxxxxxxx>
>> Acked-by: Jonathan Cameron <jic23@xxxxxxxxx>
>>> ---
>>> drivers/input/misc/cma3000_d0x.c | 20 +++++++++++++++-----
>>> 1 files changed, 15 insertions(+), 5 deletions(-)
>>>
>>> diff --git a/drivers/input/misc/cma3000_d0x.c b/drivers/input/misc/cma3000_d0x.c
>>> index 1633b63..f2e87e3 100644
>>> --- a/drivers/input/misc/cma3000_d0x.c
>>> +++ b/drivers/input/misc/cma3000_d0x.c
>>> @@ -62,6 +62,18 @@
>>> #define BIT_TO_2G 18
>>> #define BIT_TO_8G 71
>>>
>>> +static struct cma3000_platform_data cma3000_default_pdata = {
>>> + .mdthr = 0x8,
>>> + .mdfftmr = 0x33,
>>> + .ffthr = 0x8,
>>> + .mode = CMAMODE_MEAS400,
>>> + .g_range = CMARANGE_2G,
>>> + .fuzz_x = BIT_TO_2G,
>>> + .fuzz_y = BIT_TO_2G,
>>> + .fuzz_z = BIT_TO_2G,
>>> + .irqflags = 0,
>>> +};
>>> +
>>> struct cma3000_accl_data {
>>> const struct cma3000_bus_ops *bus_ops;
>>> const struct cma3000_platform_data *pdata;
>>> @@ -289,13 +301,11 @@ struct cma3000_accl_data *cma3000_init(struct device *dev, int irq,
>>> int rev;
>>> int error;
>>>
>>> - if (!pdata) {
>>> - dev_err(dev, "platform data not found\n");
>>> - error = -EINVAL;
>>> - goto err_out;
>>> + if (pdata == NULL) {
>>> + dev_info(dev, "platform data not found, using default\n");
>>> + pdata = &cma3000_default_pdata;
>>> }
>>>
>>> -
>>> /* if no IRQ return error */
>>> if (irq == 0) {
>>> error = -EINVAL;
>>
>>
>
>
>
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