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Tue, 29 Nov 2022 03:02:33 +0000 Date: Mon, 28 Nov 2022 21:02:31 -0600 From: Jeff LaBundy To: dmitry.torokhov@gmail.com Cc: linux-input@vger.kernel.org, jeff@labundy.com Subject: [PATCH 2/5] Input: iqs269a - increase interrupt handler return delay Message-ID: Content-Disposition: inline In-Reply-To: References: X-ClientProxiedBy: DM6PR06CA0047.namprd06.prod.outlook.com (2603:10b6:5:54::24) To SN4PR0801MB3774.namprd08.prod.outlook.com (2603:10b6:803:43::21) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN4PR0801MB3774:EE_|BL0PR08MB4546:EE_ X-MS-Office365-Filtering-Correlation-Id: 550694fb-cc4c-4828-649e-08dad1b62939 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; 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To prevent level-triggered interrupts from being reasserted after the interrupt handler returns, increase the time before returning to account for the worst-case delay (~140 us) plus margin. Fixes: 04e49867fad1 ("Input: add support for Azoteq IQS269A") Signed-off-by: Jeff LaBundy --- drivers/input/misc/iqs269a.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/input/misc/iqs269a.c b/drivers/input/misc/iqs269a.c index 5620a009bf55..711e67db71a4 100644 --- a/drivers/input/misc/iqs269a.c +++ b/drivers/input/misc/iqs269a.c @@ -153,7 +153,7 @@ #define IQS269_PWR_MODE_POLL_SLEEP_US IQS269_ATI_POLL_SLEEP_US #define IQS269_PWR_MODE_POLL_TIMEOUT_US IQS269_ATI_POLL_TIMEOUT_US -#define iqs269_irq_wait() usleep_range(100, 150) +#define iqs269_irq_wait() usleep_range(200, 250) enum iqs269_local_cap_size { IQS269_LOCAL_CAP_SIZE_0,