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| author | Robert Marko <robert.marko@sartura.hr> | 2021-09-17 12:27:44 +0200 |
|---|---|---|
| committer | Adrian Schmutzler <freifunk@adrianschmutzler.de> | 2021-09-25 19:28:54 +0200 |
| commit | 3c3b84fd87a604afecb159b7ecd614bfe88eb675 (patch) | |
| tree | 7bf556156e43c6f37b17af16bad49dddf05816c0 | |
| parent | 7b1fa276f5a220782f702b099fc68a079c2a0fd5 (diff) | |
| download | upstream-3c3b84fd87a604afecb159b7ecd614bfe88eb675.tar.gz upstream-3c3b84fd87a604afecb159b7ecd614bfe88eb675.tar.bz2 upstream-3c3b84fd87a604afecb159b7ecd614bfe88eb675.zip | |
kernel: 5.10: backport fix for lp55xx LED driver
This backports the upstream commit:
leds: lp55xx: Initialize enable GPIO direction to output
Without it under kernel 5.10 on Asus MAP-AC2200
the LED driver will fail probing:
[ 1.947521] lp5523x: probe of 0-0032 failed with error -22
After the backported fix:
[ 1.873236] lp5523x 0-0032: lp5523 Programmable led chip found
Signed-off-by: Robert Marko <robert.marko@sartura.hr>
Tested-by: Szabolcs Hubai <szab.hu@gmail.com> [ipq4029/gl-b1300]
Tested-by: Nick Hainke <vincent@systemli.org> [ipq4019/fritzbox-7530
ipq4019/fritzbox-4040
ipq4019/sxtsq-5ac]
Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de> [ipq4019/map-ac2200]
| -rw-r--r-- | target/linux/generic/backport-5.10/830-v5.14-leds-lp55xx-Initialize-enable-GPIO-direction-to-outp.patch | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/target/linux/generic/backport-5.10/830-v5.14-leds-lp55xx-Initialize-enable-GPIO-direction-to-outp.patch b/target/linux/generic/backport-5.10/830-v5.14-leds-lp55xx-Initialize-enable-GPIO-direction-to-outp.patch new file mode 100644 index 0000000000..75b9947392 --- /dev/null +++ b/target/linux/generic/backport-5.10/830-v5.14-leds-lp55xx-Initialize-enable-GPIO-direction-to-outp.patch @@ -0,0 +1,28 @@ +From a5d3d1adc95f4ac5968b7a77ee95a3abbbb96f49 Mon Sep 17 00:00:00 2001 +From: Doug Zobel <dougdev334@gmail.com> +Date: Mon, 10 May 2021 15:40:00 -0500 +Subject: [PATCH] leds: lp55xx: Initialize enable GPIO direction to output + +The "Convert to use GPIO descriptors" commit changed the +initialization of the enable GPIO from GPIOF_DIR_OUT to +GPIOD_ASIS. This breaks systems where the GPIO does not +default to output. Changing the enable initialization +to GPIOD_OUT_LOW. + +Signed-off-by: Doug Zobel <dougdev334@gmail.com> +Signed-off-by: Pavel Machek <pavel@ucw.cz> +--- + drivers/leds/leds-lp55xx-common.c | 2 +- + 1 file changed, 1 insertion(+), 1 deletion(-) + +--- a/drivers/leds/leds-lp55xx-common.c ++++ b/drivers/leds/leds-lp55xx-common.c +@@ -694,7 +694,7 @@ struct lp55xx_platform_data *lp55xx_of_p + of_property_read_u8(np, "clock-mode", &pdata->clock_mode); + + pdata->enable_gpiod = devm_gpiod_get_optional(dev, "enable", +- GPIOD_ASIS); ++ GPIOD_OUT_LOW); + if (IS_ERR(pdata->enable_gpiod)) + return ERR_CAST(pdata->enable_gpiod); + |