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Groups > linux.kernel > #1234538 > unrolled thread
| Started by | Petr Cvek <petr.cvek@tul.cz> |
|---|---|
| First post | 2015-09-28 23:50 +0200 |
| Last post | 2015-10-03 15:10 +0200 |
| Articles | 2 — 2 participants |
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[PATCH v4 25/26] ARM: pxa: magician: Add missing regulator for PWM backlight Petr Cvek <petr.cvek@tul.cz> - 2015-09-28 23:50 +0200
Re: [PATCH v4 25/26] ARM: pxa: magician: Add missing regulator for PWM backlight Philipp Zabel <philipp.zabel@gmail.com> - 2015-10-03 15:10 +0200
| From | Petr Cvek <petr.cvek@tul.cz> |
|---|---|
| Date | 2015-09-28 23:50 +0200 |
| Subject | [PATCH v4 25/26] ARM: pxa: magician: Add missing regulator for PWM backlight |
| Message-ID | <qdOt5-3rn-13@gated-at.bofh.it> |
Add a fake regulator, which is required for the correct initialization
of the PWM backlight driver.
Signed-off-by: Petr Cvek <petr.cvek@tul.cz>
---
arch/arm/mach-pxa/magician.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/mach-pxa/magician.c b/arch/arm/mach-pxa/magician.c
index 5de33c6..8d3946d 100644
--- a/arch/arm/mach-pxa/magician.c
+++ b/arch/arm/mach-pxa/magician.c
@@ -425,6 +425,15 @@ static struct pxafb_mach_info samsung_info = {
* Backlight
*/
+ /*
+ * fixed regulator for pwm_backlight
+ */
+
+static struct regulator_consumer_supply pwm_backlight_supply[] = {
+ REGULATOR_SUPPLY("power", "pwm_backlight"),
+};
+
+
static struct gpio magician_bl_gpios[] = {
{ EGPIO_MAGICIAN_BL_POWER, GPIOF_DIR_OUT, "Backlight power" },
{ EGPIO_MAGICIAN_BL_POWER2, GPIOF_DIR_OUT, "Backlight power 2" },
@@ -1125,6 +1134,9 @@ static void __init magician_init(void)
spi_register_board_info(ARRAY_AND_SIZE(ads7846_spi_board_info));
pxa_set_camera_info(&magician_pxacamera_pdata);
+
+ regulator_register_always_on(0, "power", pwm_backlight_supply,
+ ARRAY_SIZE(pwm_backlight_supply), 5000000);
}
MACHINE_START(MAGICIAN, "HTC Magician")
--
1.7.12.1
--
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| From | Philipp Zabel <philipp.zabel@gmail.com> |
|---|---|
| Date | 2015-10-03 15:10 +0200 |
| Subject | Re: [PATCH v4 25/26] ARM: pxa: magician: Add missing regulator for PWM backlight |
| Message-ID | <qfuJA-2GX-9@gated-at.bofh.it> |
| In reply to | #1234538 |
Am Montag, den 28.09.2015, 23:40 +0200 schrieb Petr Cvek: > Add a fake regulator, which is required for the correct > initialization > of the PWM backlight driver. Fixed, not fake. Even though we can't control it, the backlight does have a supply. > Signed-off-by: Petr Cvek <petr.cvek@tul.cz> Acked-by: Philipp Zabel <philipp.zabel@gmail.com> regards Philipp -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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