Commit 0232d07c authored by Lee Jones's avatar Lee Jones Committed by Jonathan Cameron
Browse files

iio: adc: ad_sigma_delta: Remove unused variable 'ret' 



Fixes the following W=1 kernel build warning(s):

 drivers/iio/adc/ad_sigma_delta.c: In function ‘ad_sd_trigger_handler’:
 drivers/iio/adc/ad_sigma_delta.c:405:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]
 405 | int ret;
 | ^~~

Cc: Michael Hennerich <Michael.Hennerich@analog.com>
Signed-off-by: default avatarLee Jones <lee.jones@linaro.org>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent 263771db

drivers/iio/adc/ad_sigma_delta.c

+2 −5
Original line number Diff line number Diff line
@@ -398,7 +398,6 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void *p) 
	unsigned int reg_size;

	unsigned int data_reg;

	uint8_t data[16];

	int ret;



	memset(data, 0x00, 16);
@@ -415,14 +414,12 @@ static irqreturn_t ad_sd_trigger_handler(int irq, void *p) 
	case 4:

	case 2:

	case 1:

		ret = ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size,

			&data[0]);

		ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size, &data[0]);

		break;

	case 3:

		/* We store 24 bit samples in a 32 bit word. Keep the upper

		 * byte set to zero. */

		ret = ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size,

			&data[1]);

		ad_sd_read_reg_raw(sigma_delta, data_reg, reg_size, &data[1]);

		break;

	}