Subject: patch "iio: adc: ad7192: Fix internal/external clock selection" added to char-misc-testing
To:     fl.scratchpad@gmail.com, Jonathan.Cameron@huawei.com,
        Stable@vger.kernel.org, nuno.sa@analog.com
From:   <gregkh@linuxfoundation.org>
Date:   Thu, 15 Jun 2023 13:01:26 +0200
Message-ID: <2023061525-relearn-curdle-bf55@gregkh>
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This is a note to let you know that I've just added the patch titled

    iio: adc: ad7192: Fix internal/external clock selection

to my char-misc git tree which can be found at
    git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
in the char-misc-testing branch.

The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)

The patch will be merged to the char-misc-next branch sometime soon,
after it passes testing, and the merge window is open.

If you have any questions about this process, please let me know.


From f7d9e21dd274b97dc0a8dbc136a2ea8506063a96 Mon Sep 17 00:00:00 2001
From: Fabrizio Lamarque <fl.scratchpad@gmail.com>
Date: Tue, 30 May 2023 09:53:08 +0200
Subject: iio: adc: ad7192: Fix internal/external clock selection

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@gmail.com>
Reviewed-by: Nuno Sa <nuno.sa@analog.com>
Cc: <Stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20230530075311.400686-3-fl.scratchpad@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.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 55a26dbd6108..8685e0b58a83 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 {
-- 
2.41.0