From: xingtong.wu Date: Fri, 28 Jul 2023 08:36:51 +0000 (+0200) Subject: platform/x86/siemens: simatic-ipc-batt: fix bat reading in BX_21A X-Git-Tag: v6.6.7~2021^2~30^2~8 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d0563dd3345f7d6feb950204a3480f169d93a659;p=platform%2Fkernel%2Flinux-starfive.git platform/x86/siemens: simatic-ipc-batt: fix bat reading in BX_21A There was a case missing in a switch statement which lead to that model not actually reading the GPIOs. That switch statement got simplified now. Additionally on that model we need to initialize one pin differently. As a drive-by finding also add a missing newline. Fixes: 917f54340794 ("platform/x86: simatic-ipc: add CMOS battery monitoring") Reported-by: Henning Schild Signed-off-by: xingtong.wu Signed-off-by: Henning Schild Link: https://lore.kernel.org/r/20230728083651.19747-1-henning.schild@siemens.com Reviewed-by: Hans de Goede Signed-off-by: Hans de Goede --- diff --git a/drivers/platform/x86/siemens/simatic-ipc-batt.c b/drivers/platform/x86/siemens/simatic-ipc-batt.c index d2791ff..e34417c 100644 --- a/drivers/platform/x86/siemens/simatic-ipc-batt.c +++ b/drivers/platform/x86/siemens/simatic-ipc-batt.c @@ -92,19 +92,14 @@ static long simatic_ipc_batt_read_value(struct device *dev) next_update = priv.last_updated_jiffies + msecs_to_jiffies(BATT_DELAY_MS); if (time_after(jiffies, next_update) || !priv.last_updated_jiffies) { - switch (priv.devmode) { - case SIMATIC_IPC_DEVICE_127E: - case SIMATIC_IPC_DEVICE_227G: - case SIMATIC_IPC_DEVICE_BX_39A: - priv.current_state = simatic_ipc_batt_read_gpio(); - break; - case SIMATIC_IPC_DEVICE_227E: + if (priv.devmode == SIMATIC_IPC_DEVICE_227E) priv.current_state = simatic_ipc_batt_read_io(dev); - break; - } + else + priv.current_state = simatic_ipc_batt_read_gpio(); + priv.last_updated_jiffies = jiffies; if (priv.current_state < SIMATIC_IPC_BATT_LEVEL_FULL) - dev_warn(dev, "CMOS battery needs to be replaced."); + dev_warn(dev, "CMOS battery needs to be replaced.\n"); } return priv.current_state; @@ -163,6 +158,7 @@ int simatic_ipc_batt_probe(struct platform_device *pdev, struct gpiod_lookup_tab struct simatic_ipc_platform *plat; struct device *dev = &pdev->dev; struct device *hwmon_dev; + unsigned long flags; int err; plat = pdev->dev.platform_data; @@ -196,7 +192,10 @@ int simatic_ipc_batt_probe(struct platform_device *pdev, struct gpiod_lookup_tab } if (table->table[2].key) { - priv.gpios[2] = devm_gpiod_get_index(dev, "CMOSBattery meter", 2, GPIOD_OUT_HIGH); + flags = GPIOD_OUT_HIGH; + if (priv.devmode == SIMATIC_IPC_DEVICE_BX_21A) + flags = GPIOD_OUT_LOW; + priv.gpios[2] = devm_gpiod_get_index(dev, "CMOSBattery meter", 2, flags); if (IS_ERR(priv.gpios[2])) { err = PTR_ERR(priv.gpios[1]); priv.gpios[2] = NULL;