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Fri, 15 Sep 2023 06:47:56 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777182790706226496 X-GMAIL-MSGID: 1777182790706226496 Disabling the interrupts unconditionally in the suspend callback leads to a loss of the wakeup capability in suspend to idle (freeze) mode. In commit 95dc58a9a02f ("Input: st1232 - rely on I2C core to configure wakeup interrupt") redundancy was removed by letting the I2C core manage the wake interrupt handling. On the other hand, the irq enabling/disabling became unconditional. Revert the general interrupt enabling/disabling to its previous state. Fixes: 95dc58a9a02f ("Input: st1232 - rely on I2C core to configure wakeup interrupt") Signed-off-by: Javier Carrasco --- drivers/input/touchscreen/st1232.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index 6475084aee1b..d0ee90abc293 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -345,10 +345,10 @@ static int st1232_ts_suspend(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct st1232_ts_data *ts = i2c_get_clientdata(client); - disable_irq(client->irq); - - if (!device_may_wakeup(&client->dev)) + if (!device_may_wakeup(&client->dev)) { + disable_irq(client->irq); st1232_ts_power(ts, false); + } return 0; } @@ -358,10 +358,10 @@ static int st1232_ts_resume(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct st1232_ts_data *ts = i2c_get_clientdata(client); - if (!device_may_wakeup(&client->dev)) + if (!device_may_wakeup(&client->dev)) { + enable_irq(client->irq); st1232_ts_power(ts, true); - - enable_irq(client->irq); + } return 0; } From patchwork Fri Sep 15 13:47:25 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Javier Carrasco X-Patchwork-Id: 140855 Return-Path: Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:612c:172:b0:3f2:4152:657d with SMTP id h50csp1418880vqi; Fri, 15 Sep 2023 18:20:22 -0700 (PDT) X-Google-Smtp-Source: AGHT+IEfKVj+dlaug57mA7Vk2x6BgkezcYqTck4d5Sp3NUN0fxDpfi5PffssNqo2lsFsteZQY3q6 X-Received: by 2002:a05:6a20:320c:b0:133:86c:e805 with SMTP id hl12-20020a056a20320c00b00133086ce805mr3304381pzc.10.1694827222570; Fri, 15 Sep 2023 18:20:22 -0700 (PDT) ARC-Seal: i=2; a=rsa-sha256; t=1694827222; cv=pass; d=google.com; s=arc-20160816; b=ENHosHIIhfaSsks/E9kcWBODcFsPUAxJoVR3QO1nvTy0xqnfu+NcPQMX8emXsDvIJX 9QjIupvQGBAM5jceexkhvFFjIhqepgT3uBAeuGSerMJM2OXE487RxtUQ6AfC5qpih8HQ 6BG0YQ0okQHGzW1IC3quVXagUdmr4GNVrRmmjsbCFZi8UKQQBe5YJLVwCiR99uREp2l8 Qw6OrTtM7z2fd3DpK9ELpHokRWZUgCuIa0KrQuy1/jZunZ9dZ5h9iV3yQPaVs5fx3/ic 5BvVsXeAyl986OQIoFQ4bJvuhHWUPff+uujasq4UDY5veS5h3khlk5NTl6TDHHXs94AL phWw== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:mime-version:cc:to:in-reply-to:references :message-id:content-transfer-encoding:subject:date:from :dkim-signature; bh=LALxW/oAIyxG7vh7eSxOonN+J0b9RaumMYhm7Wjenvw=; fh=a8Qb7YIebk0ucpJ+B2DGlXr8ABTshRDxe7IAvR150AE=; b=adysFXX1b9bHao9i9RyDX1bEU6b4G6EnPvM6O9x9xCfDmwMAGMRoCO+MEHmEcVOi+a REiVa0lXvWkGXCnBrCIpGB9QlqQugoHOUUNP3LyXVTn91aDP0EmrSzGbDcPfhYSW4iHR kyG+h9T5SO7J4eiHKbmhys7fw8rZfNojjKyL8xEX2ksLHUY1ofnyK82ou9pLiaHF4jIk nFJLoaK7GqIywl2C5JbrZEtMctdrgw+3nTETYZty/Hx2zJt9q3eFYONBk+E59ndO0NA8 23yLxXVScwafFjmnLVW19CVK8Xgmh2amkOiQ/whMayVzoIBzzBG3UOXtmTxah8uKhlJb xAgQ== ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@wolfvision.net header.s=selector2 header.b=uajlXT9m; arc=pass (i=1 spf=pass spfdomain=wolfvision.net dkim=pass dkdomain=wolfvision.net dmarc=pass fromdomain=wolfvision.net); spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:7 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=QUARANTINE sp=QUARANTINE dis=NONE) header.from=wolfvision.net Received: from snail.vger.email (snail.vger.email. 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Fri, 15 Sep 2023 06:47:59 -0700 (PDT) X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1777155150086104159 X-GMAIL-MSGID: 1777155150086104159 This device driver provides wakeup capabilities but the wakeup events are not reflected in sysfs. Add pm_wakeup_event to the interrupt handler in order to do so. Signed-off-by: Javier Carrasco --- drivers/input/touchscreen/st1232.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/drivers/input/touchscreen/st1232.c b/drivers/input/touchscreen/st1232.c index d0ee90abc293..ad18d3944bf2 100644 --- a/drivers/input/touchscreen/st1232.c +++ b/drivers/input/touchscreen/st1232.c @@ -59,6 +59,7 @@ struct st1232_ts_data { const struct st_chip_info *chip_info; int read_buf_len; u8 *read_buf; + bool suspended; }; static int st1232_ts_read_data(struct st1232_ts_data *ts, u8 reg, @@ -173,9 +174,13 @@ static int st1232_ts_parse_and_report(struct st1232_ts_data *ts) static irqreturn_t st1232_ts_irq_handler(int irq, void *dev_id) { struct st1232_ts_data *ts = dev_id; + struct i2c_client *client = ts->client; int count; int error; + if (ts->suspended && device_may_wakeup(&client->dev)) + pm_wakeup_event(&client->dev, 0); + error = st1232_ts_read_data(ts, REG_XY_COORDINATES, ts->read_buf_len); if (error) goto out; @@ -345,6 +350,8 @@ static int st1232_ts_suspend(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct st1232_ts_data *ts = i2c_get_clientdata(client); + ts->suspended = true; + if (!device_may_wakeup(&client->dev)) { disable_irq(client->irq); st1232_ts_power(ts, false); @@ -358,6 +365,8 @@ static int st1232_ts_resume(struct device *dev) struct i2c_client *client = to_i2c_client(dev); struct st1232_ts_data *ts = i2c_get_clientdata(client); + ts->suspended = false; + if (!device_may_wakeup(&client->dev)) { enable_irq(client->irq); st1232_ts_power(ts, true);