aio: Fix setting adc bits when initializing

AsuraZeng · AsuraZeng · commit e523a2b6c33c · 2023-01-13T08:59:31.000+08:00
Use the number of adc bits set by the hardware
instead of using the default hard-coded 10 bits

Signed-off-by: chao zeng &lt;chao.zeng@siemens.com&gt;
diff --git a/src/aio/aio.c b/src/aio/aio.c
@@ -133,7 +133,7 @@ mraa_aio_init(unsigned int aio)
     }
 
     raw_bits = mraa_adc_raw_bits();
-    mraa_aio_set_bit(dev, DEFAULT_BITS);
+    mraa_aio_set_bit(dev, raw_bits);
 
     if (IS_FUNC_DEFINED(dev, aio_init_pre)) {
         mraa_result_t pre_ret = (dev->advance_func->aio_init_pre(aio));

Original file line number	Diff line number	Diff line change
`@@ -133,7 +133,7 @@ mraa_aio_init(unsigned int aio)`
`133`	`133`	`}`
`134`	`134`
`135`	`135`	`raw_bits = mraa_adc_raw_bits();`
`136`		`- mraa_aio_set_bit(dev, DEFAULT_BITS);`
	`136`	`+ mraa_aio_set_bit(dev, raw_bits);`
`137`	`137`
`138`	`138`	`if (IS_FUNC_DEFINED(dev, aio_init_pre)) {`
`139`	`139`	`mraa_result_t pre_ret = (dev->advance_func->aio_init_pre(aio));`