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hwmon: msm_adc: Add stub function

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Add stub function to allow client's code to avoid ifdef.

Signed-off-by: Amir Samuelov <amirs@codeaurora.org>
This commit is contained in:
Amir Samuelov
2011-09-17 23:23:25 +03:00
committed by Bryan Huntsman
parent e05fc4d4b7
commit 9f9ece38d5
1 changed files with 28 additions and 0 deletions
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28
include/linux/msm_adc.h
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@@ -338,10 +338,38 @@ struct adc_access_fn {
void msm_adc_wq_work(struct work_struct *work);
void msm_adc_conv_cb(void *context, u32 param, void *evt_buf, u32 len);
#ifdef CONFIG_SENSORS_MSM_ADC
int32_t adc_channel_open(uint32_t channel, void **h);
int32_t adc_channel_close(void *h);
int32_t adc_channel_request_conv(void *h, struct completion *conv_complete_evt);
int32_t adc_channel_read_result(void *h, struct adc_chan_result *chan_result);
int32_t adc_calib_request(void *h, struct completion *calib_complete_evt);
#else
int32_t adc_channel_open(uint32_t channel, void **h)
{
pr_err("%s.not supported.\n", __func__);
return -ENODEV;
}
int32_t adc_channel_close(void *h)
{
pr_err("%s.not supported.\n", __func__);
return -ENODEV;
}
int32_t adc_channel_request_conv(void *h, struct completion *conv_complete_evt)
{
pr_err("%s.not supported.\n", __func__);
return -ENODEV;
}
int32_t adc_channel_read_result(void *h, struct adc_chan_result *chan_result)
{
pr_err("%s.not supported.\n", __func__);
return -ENODEV;
}
int32_t adc_calib_request(void *h, struct completion *calib_complete_evt)
{
pr_err("%s.not supported.\n", __func__);
return -ENODEV;
}
#endif /* CONFIG_SENSORS_MSM_ADC */
#endif
#endif /* __MSM_ADC_H */