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iio: adc: rockchip_saradc: fix issue if CONFIG_ROCKCHIP_SARADC_TEST_CHN enabled

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Change-Id: I282fb82d15501b566d316ee4d1bee87be3bebe41
Signed-off-by: Simon Xue <xxm@rock-chips.com>
This commit is contained in:
Simon Xue
2022-03-29 15:29:11 +08:00
committed by Tao Huang
parent 3731b0cb2b
commit 332f6ade32
1 changed files with 10 additions and 1 deletions
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11
drivers/iio/adc/rockchip_saradc.c
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@@ -128,11 +128,18 @@ static int rockchip_saradc_read_v1(struct rockchip_saradc *info)
static int rockchip_saradc_read_v2(struct rockchip_saradc *info)
{
int offset;
int channel;
/* Clear irq */
writel_relaxed(0x1, info->regs + SARADC2_END_INT_ST);
offset = SARADC2_DATA_BASE + info->last_chan->channel * 0x4;
#ifdef CONFIG_ROCKCHIP_SARADC_TEST_CHN
channel = info->chn;
#else
channel = info->last_chan->channel;
#endif
offset = SARADC2_DATA_BASE + channel * 0x4;
return readl_relaxed(info->regs + offset);
}
@@ -220,7 +227,9 @@ static irqreturn_t rockchip_saradc_isr(int irq, void *dev_id)
/* Read value */
info->last_val = rockchip_saradc_read(info);
#ifndef CONFIG_ROCKCHIP_SARADC_TEST_CHN
info->last_val &= GENMASK(info->last_chan->scan_type.realbits - 1, 0);
#endif
rockchip_saradc_power_down(info);