[PATCH v6 1/3] i2c: mux: pca954x: Add missing pca9542 definition to chip_desc
DORMANTno replies
REVIEWED: 1 (0M)
From: Phil Reid <hidden>
Date: 2017-01-25 01:31:06
Also in:
linux-i2c
Subsystem:
i2c muxes, i2c subsystem, the rest · Maintainers:
Peter Rosin, Andi Shyti, Linus Torvalds
1 review trailer.
The spec for the pca954x was missing. This chip is the same as the pca9540 except that it has interrupt lines. While the i2c_device_id table mapped the pca9542 to the pca9540 definition the compatible table did not. In preparation for irq support add the pca9542 definition. Acked-by: Peter Rosin <redacted> Signed-off-by: Phil Reid <preid-qgqNFa1JUf/o2iN0hyhwsIdd74u8MsAO@public.gmane.org> --- drivers/i2c/muxes/i2c-mux-pca954x.c | 9 +++++++-- 1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/drivers/i2c/muxes/i2c-mux-pca954x.c b/drivers/i2c/muxes/i2c-mux-pca954x.c
index dd18b9c..bbf088e 100644
--- a/drivers/i2c/muxes/i2c-mux-pca954x.c
+++ b/drivers/i2c/muxes/i2c-mux-pca954x.c@@ -84,6 +84,11 @@ struct pca954x { .enable = 0x4, .muxtype = pca954x_ismux, }, + [pca_9542] = { + .nchans = 2, + .enable = 0x4, + .muxtype = pca954x_ismux, + }, [pca_9543] = { .nchans = 2, .muxtype = pca954x_isswi,
@@ -110,7 +115,7 @@ struct pca954x { static const struct i2c_device_id pca954x_id[] = { { "pca9540", pca_9540 }, - { "pca9542", pca_9540 }, + { "pca9542", pca_9542 }, { "pca9543", pca_9543 }, { "pca9544", pca_9544 }, { "pca9545", pca_9545 },
@@ -124,7 +129,7 @@ struct pca954x { #ifdef CONFIG_ACPI static const struct acpi_device_id pca954x_acpi_ids[] = { { .id = "PCA9540", .driver_data = pca_9540 }, - { .id = "PCA9542", .driver_data = pca_9540 }, + { .id = "PCA9542", .driver_data = pca_9542 }, { .id = "PCA9543", .driver_data = pca_9543 }, { .id = "PCA9544", .driver_data = pca_9544 }, { .id = "PCA9545", .driver_data = pca_9545 },
--
1.8.3.1
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