lkml.org 
[lkml]   [2019]   [Jan]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 1/2] gpio: sprd: Fix the incorrect data register
Date
From: Neo Hou <neo.hou@unisoc.com>

Since differnt type EICs have its own data register to read, thus fix the
incorrect data register.

Signed-off-by: Neo Hou <neo.hou@unisoc.com>
Signed-off-by: Baolin Wang <baolin.wang@linaro.org>
---
drivers/gpio/gpio-eic-sprd.c | 13 ++++++++++++-
1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-eic-sprd.c b/drivers/gpio/gpio-eic-sprd.c
index e0d6a0a..257df59 100644
--- a/drivers/gpio/gpio-eic-sprd.c
+++ b/drivers/gpio/gpio-eic-sprd.c
@@ -180,7 +180,18 @@ static void sprd_eic_free(struct gpio_chip *chip, unsigned int offset)

static int sprd_eic_get(struct gpio_chip *chip, unsigned int offset)
{
- return sprd_eic_read(chip, offset, SPRD_EIC_DBNC_DATA);
+ struct sprd_eic *sprd_eic = gpiochip_get_data(chip);
+
+ switch (sprd_eic->type) {
+ case SPRD_EIC_DEBOUNCE:
+ return sprd_eic_read(chip, offset, SPRD_EIC_DBNC_DATA);
+ case SPRD_EIC_ASYNC:
+ return sprd_eic_read(chip, offset, SPRD_EIC_ASYNC_DATA);
+ case SPRD_EIC_SYNC:
+ return sprd_eic_read(chip, offset, SPRD_EIC_SYNC_DATA);
+ default:
+ return -ENOTSUPP;
+ }
}

static int sprd_eic_direction_input(struct gpio_chip *chip, unsigned int offset)
--
1.7.9.5
\
 
 \ /
  Last update: 2019-01-15 08:54    [W:0.036 / U:6.864 seconds]
©2003-2018 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site