linux-kernel - [PATCH 4.9 11/16] i2c: mux: pca954x: Add missing pca9546 definition to chip

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Message-Id: <20201120104540.289446648@linuxfoundation.org>
Date:   Fri, 20 Nov 2020 12:03:16 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Mike Looijmans <mike.looijmans@...ic.nl>,
        Peter Rosin <peda@...ntia.se>,
        Hauke Mehrtens <hauke@...ke-m.de>
Subject: [PATCH 4.9 11/16] i2c: mux: pca954x: Add missing pca9546 definition to chip_desc

From: Mike Looijmans <mike.looijmans@...ic.nl>

commit dbe4d69d252e9e65c6c46826980b77b11a142065 upstream.

The spec for the pca9546 was missing. This chip is the same as the pca9545
except that it lacks interrupt lines. While the i2c_device_id table mapped
the pca9546 to the pca9545 definition the compatible table did not.

Signed-off-by: Mike Looijmans <mike.looijmans@...ic.nl>
Signed-off-by: Peter Rosin <peda@...ntia.se>
Cc: Hauke Mehrtens <hauke@...ke-m.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
 drivers/i2c/muxes/i2c-mux-pca954x.c |    6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -96,6 +96,10 @@ static const struct chip_desc chips[] =
 		.nchans = 4,
 		.muxtype = pca954x_isswi,
 	},
+	[pca_9546] = {
+		.nchans = 4,
+		.muxtype = pca954x_isswi,
+	},
 	[pca_9547] = {
 		.nchans = 8,
 		.enable = 0x8,
@@ -113,7 +117,7 @@ static const struct i2c_device_id pca954
 	{ "pca9543", pca_9543 },
 	{ "pca9544", pca_9544 },
 	{ "pca9545", pca_9545 },
-	{ "pca9546", pca_9545 },
+	{ "pca9546", pca_9546 },
 	{ "pca9547", pca_9547 },
 	{ "pca9548", pca_9548 },
 	{ }