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

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Date:   Thu, 23 Mar 2017 10:00:36 +0100
From:   Mike Looijmans <mike.looijmans@...ic.nl>
To:     linux-i2c@...r.kernel.org
Cc:     linux-kernel@...r.kernel.org, peda@...ntia.se, wsa@...-dreams.de,
        Mike Looijmans <mike.looijmans@...ic.nl>
Subject: [PATCH] i2c: mux: pca954x: Add missing pca9546 definition to chip_desc

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>
---
 drivers/i2c/muxes/i2c-mux-pca954x.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index dfc1c0e..69c2f5a 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c
@@ -117,6 +117,10 @@ struct pca954x {
 		.has_irq = 1,
 		.muxtype = pca954x_isswi,
 	},
+	[pca_9546] = {
+		.nchans = 4,
+		.muxtype = pca954x_isswi,
+	},
 	[pca_9547] = {
 		.nchans = 8,
 		.enable = 0x8,
@@ -134,7 +138,7 @@ struct pca954x {
 	{ "pca9543", pca_9543 },
 	{ "pca9544", pca_9544 },
 	{ "pca9545", pca_9545 },
-	{ "pca9546", pca_9545 },
+	{ "pca9546", pca_9546 },
 	{ "pca9547", pca_9547 },
 	{ "pca9548", pca_9548 },
 	{ }
-- 
1.9.1