From: Michał Kępień Date: Wed, 5 Apr 2017 06:49:03 +0000 (+0200) Subject: platform/x86: fujitsu-laptop: simplify set_lcd_level() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=a8779c35b6b4a68489037d804df91c8d2b136218;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git platform/x86: fujitsu-laptop: simplify set_lcd_level() acpi_execute_simple_method() takes a method parameter which tells it to look for the given method underneath the given handle, so calling acpi_get_handle() beforehand is redundant. Replace the call to acpi_get_handle() with a call to acpi_execute_simple_method(), thus eliminating the need for a local variable storing the handle. Update debug message to reflect this change. Also do not assign a default value to status as it has no influence on execution flow. Signed-off-by: Michał Kępień Reviewed-by: Jonathan Woithe Signed-off-by: Darren Hart (VMware) --- diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 46d4f7265d20..066ffe734a5f 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -343,8 +343,7 @@ static enum led_brightness eco_led_get(struct led_classdev *cdev) static int set_lcd_level(int level) { - acpi_status status = AE_OK; - acpi_handle handle = NULL; + acpi_status status; char *method; switch (use_alt_lcd_levels) { @@ -362,16 +361,14 @@ static int set_lcd_level(int level) if (level < 0 || level >= fujitsu_bl->max_brightness) return -EINVAL; - status = acpi_get_handle(fujitsu_bl->acpi_handle, method, &handle); + status = acpi_execute_simple_method(fujitsu_bl->acpi_handle, method, + level); if (ACPI_FAILURE(status)) { - vdbg_printk(FUJLAPTOP_DBG_ERROR, "%s not present\n", method); + vdbg_printk(FUJLAPTOP_DBG_ERROR, "Failed to evaluate %s\n", + method); return -ENODEV; } - status = acpi_execute_simple_method(handle, NULL, level); - if (ACPI_FAILURE(status)) - return -ENODEV; - return 0; }