Remove redundant 'return;' statements at the end of void functions
in rx.c. Void functions do not need an explicit return
statement at the end.

Found with checkpatch.pl --strict.

Signed-off-by: Tomasz Unger <tomasz.unger@yahoo.pl>
---
 drivers/staging/media/atomisp/pci/runtime/isys/src/rx.c | 4 ----
 1 file changed, 4 deletions(-)

diff --git a/drivers/staging/media/atomisp/pci/runtime/isys/src/rx.c b/drivers/staging/media/atomisp/pci/runtime/isys/src/rx.c
index 9cfb8bc97e24..bf9be11335d4 100644
--- a/drivers/staging/media/atomisp/pci/runtime/isys/src/rx.c
+++ b/drivers/staging/media/atomisp/pci/runtime/isys/src/rx.c
@@ -44,7 +44,6 @@ void ia_css_isys_rx_enable_all_interrupts(enum mipi_port_id port)
 	 */
 	ia_css_irq_enable(IA_CSS_IRQ_INFO_CSS_RECEIVER_ERROR, true);
 
-	return;
 }
 
 /* This function converts between the enum used on the CSS API and the
@@ -197,7 +196,6 @@ void ia_css_isys_rx_clear_irq_info(enum mipi_port_id port,
 				port,
 				_HRT_CSS_RECEIVER_IRQ_ENABLE_REG_IDX, bits);
 
-	return;
 }
 
 static int ia_css_isys_2400_set_fmt_type(enum atomisp_input_format input_format,
@@ -638,7 +636,6 @@ void ia_css_isys_rx_configure(const rx_cfg_t *config,
 	 */
 	input_system_reg_store(INPUT_SYSTEM0_ID, 0x207, 1);
 
-	return;
 }
 
 void ia_css_isys_rx_disable(void)
@@ -650,5 +647,4 @@ void ia_css_isys_rx_disable(void)
 					_HRT_CSS_RECEIVER_DEVICE_READY_REG_IDX,
 					false);
 	}
-	return;
 }

-- 
2.53.0