linux-kernel - [PATCH v3 2/5] iio: adc: ad7192: Fix internal/external clock selection

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Message-Id: <20230530075311.400686-3-fl.scratchpad@gmail.com>
Date:   Tue, 30 May 2023 09:53:08 +0200
From:   fl.scratchpad@...il.com
To:     jic23@...nel.org, Alexandru Tachici <alexandru.tachici@...log.com>,
        Lars-Peter Clausen <lars@...afoo.de>,
        Michael Hennerich <Michael.Hennerich@...log.com>,
        Alexandru Ardelean <aardelean@...iqon.com>
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org,
        Fabrizio Lamarque <fl.scratchpad@...il.com>,
        Nuno Sa <nuno.sa@...log.com>,
        Jonathan Cameron <Jonathan.Cameron@...wei.com>
Subject: [PATCH v3 2/5] iio: adc: ad7192: Fix internal/external clock selection

From: Fabrizio Lamarque <fl.scratchpad@...il.com>

Fix wrong selection of internal clock when mclk is defined.

Resolve a logical inversion introduced in c9ec2cb328e3.

Fixes: c9ec2cb328e3 ("iio: adc: ad7192: use devm_clk_get_optional() for mclk")
Signed-off-by: Fabrizio Lamarque <fl.scratchpad@...il.com>
Reviewed-by: Nuno Sa <nuno.sa@...log.com>
---
 drivers/iio/adc/ad7192.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/ad7192.c b/drivers/iio/adc/ad7192.c
index 94a9cf34a255..5a9c8898f8af 100644
--- a/drivers/iio/adc/ad7192.c
+++ b/drivers/iio/adc/ad7192.c
@@ -367,7 +367,7 @@ static int ad7192_of_clock_select(struct ad7192_state *st)
 	clock_sel = AD7192_CLK_INT;
 
 	/* use internal clock */
-	if (st->mclk) {
+	if (!st->mclk) {
 		if (of_property_read_bool(np, "adi,int-clock-output-enable"))
 			clock_sel = AD7192_CLK_INT_CO;
 	} else {
-- 
2.34.1