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Subject[PATCH 4/6] staging/fbtft: Stop using BL_CORE_DRIVER1
Date
Leaking driver internal tracking into the already massively confusing
backlight power tracking is really confusing.

Luckily we have already a drvdata structure, so fixing this is really
easy.

Cc: Lee Jones <lee.jones@linaro.org>
Cc: Daniel Thompson <daniel.thompson@linaro.org>
Cc: Jingoo Han <jingoohan1@gmail.com>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Daniel Vetter <daniel.vetter@intel.com>
---
drivers/staging/fbtft/fbtft-core.c | 4 ++--
drivers/staging/fbtft/fbtft.h | 1 +
2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/fbtft/fbtft-core.c b/drivers/staging/fbtft/fbtft-core.c
index 0e36b66ae5f7..731e47149af8 100644
--- a/drivers/staging/fbtft/fbtft-core.c
+++ b/drivers/staging/fbtft/fbtft-core.c
@@ -246,7 +246,7 @@ static int fbtft_request_gpios_dt(struct fbtft_par *par)
static int fbtft_backlight_update_status(struct backlight_device *bd)
{
struct fbtft_par *par = bl_get_data(bd);
- bool polarity = !!(bd->props.state & BL_CORE_DRIVER1);
+ bool polarity = par->polarity;

fbtft_par_dbg(DEBUG_BACKLIGHT, par,
"%s: polarity=%d, power=%d, fb_blank=%d\n",
@@ -296,7 +296,7 @@ void fbtft_register_backlight(struct fbtft_par *par)
/* Assume backlight is off, get polarity from current state of pin */
bl_props.power = FB_BLANK_POWERDOWN;
if (!gpio_get_value(par->gpio.led[0]))
- bl_props.state |= BL_CORE_DRIVER1;
+ par->polarity = true;

bd = backlight_device_register(dev_driver_string(par->info->device),
par->info->device, par,
diff --git a/drivers/staging/fbtft/fbtft.h b/drivers/staging/fbtft/fbtft.h
index e19e64e0d094..c7cb4a7896f4 100644
--- a/drivers/staging/fbtft/fbtft.h
+++ b/drivers/staging/fbtft/fbtft.h
@@ -229,6 +229,7 @@ struct fbtft_par {
ktime_t update_time;
bool bgr;
void *extra;
+ bool polarity;
};

#define NUMARGS(...) (sizeof((int[]){__VA_ARGS__})/sizeof(int))
--
2.17.0
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